Yellowstone National Park Backcountry Survey

Survey of Illness and Injury Among Backcountry Users in Yellowstone National Park

Appendix M_Yellowstone Study Questionnaire - Internet Version_060707

Yellowstone National Park Backcountry Survey [Web-based Version]

OMB: 0920-0727

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Form Approved

OMB No. 0920-0727 Exp. Date xx/xx/20xx


APPENDIX M – Yellowstone Study Questionnaire – Internet Version



YELLOWSTONE NATIONAL PARK

BACKCOUNTRY SURVEY


Thank you for taking the time to complete this survey. We would like to start by asking you about the dates you traveled in the backcountry at Yellowstone National Park (abbreviated as YELL) and the group of people you traveled with. We define the BACKCOUNTRY as those wilderness areas of the parks that (1) require a permit to enter, (2) are reached primarily by hiking, boating, or horseback, and (3) lack most facilities and services. You may refuse to answer any question at any time. Please but a mark in the box beside the correct answer or fill in the blanks (as appropriate). For this first series of questions, you may want to have a calendar available.



BACKCOUNTRY TRAVEL


Q1. On what date did you enter the backcountry at Yellowstone National Park (abbreviated as YELL)? (This is not necessarily the date you entered YELL itself). If you do not know the exact date, please enter the month.

|___|___|-|___|___|-2008

M M D D


Q2. Did you travel with another person or a group of people into the backcountry? (Note: your group is defined as all the people listed on your backcountry permit)

(PLEASE CHECK ONLY ONE ANSWER)


YES (GO TO Q.3)


NO (GO TO Q.5)


DON’T KNOW (GO TO Q.5)


Q3. How many people were in your group, NOT INCLUDING YOURSELF?


|___|___|___| persons DON’T KNOW


Public reporting burden of this collection of information is estimated to average 30 minutes per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. An agency may not conduct or sponsor, and a person is not required to respond to a collection of information unless it displays a currently valid OMB control number. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden to CDC/ATSDR Reports Clearance Officer; 1600 Clifton Road NE, MS D-74, Atlanta, Georgia 30333; ATTN: PRA (0920-0727).

Q4. How many people were in each of the following categories, NOT INCLUDING YOURSELF?


Male Adults |___|___|___|

Female Adults |___|___|___|


Male Children (younger than 18 years) |___|___|___|

Female Children (younger than 18 years) |___|___|___|



DON’T KNOW


Q5. While you were in the backcountry, did you follow the itinerary as outlined on your backcountry permit? (PLEASE CHECK ONLY ONE ANSWER)

YES


NO


DON’T KNOW



Q6. On what date did you leave the backcountry at YELL? (This is not necessarily the date you left YELL itself). If you do not know the exact date, please enter the month.

|___|___|-|___|___|-2008

M M D D



Next, we would now like to ask you questions about your activities and exposures WHILE YOU WERE IN THE BACKCOUNTRY at YELL. These questions are about drinking water, food and food preparation, sanitation and hygiene, recreational water activities, and contact with animals.












D RINKING WATER


Q7. What were your sources of drinking water while you were in the backcountry at Yellowstone National Park (abbreviated as YELL)?

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)


Lake/pond (or other standing body of water) in the backcountry (GO TO Q.8)

Stream/river (or other flowing water, e.g., waterfalls) in the backcountry

(GO TO Q.8)

Spring in the backcountry (GO TO Q.8)


Commercially bottled water purchased before entering the backcountry

(GO TO Q.9)

Other water brought in from outside YELL (GO TO Q.9)

Water obtained from a faucet/tap inside YELL prior to entering the backcountry (GO TO Q.9)


Water obtained from a lake/pond (or other standing body of water) inside YELL prior to entering the backcountry (GO TO Q.8)


Water obtained from a stream/river (or other flowing body of water, e.g., waterfalls) inside YELL prior to entering the backcountry (GO TO Q.8)


Water obtained from a spring inside YELL prior to entering the backcountry

(GO TO Q.8)


Other (specify) ________________________________________ (GO TO Q.9)


Don’t Know (GO TO Q.9)












Q8. You indicated you drank water from the following source(s) while you were in the backcountry. What did the water at the source(s) look like? (FOR EACH NATURAL WATER SOURCE YOU LISTED IN Q7, PLEASE CHECK ONE ANSWER)


WATER SOURCE

Flowing and clear

Flowing but somewhat murky / cloudy / turbid

Flowing but quite murky / cloudy / turbid

Non-flowing and clear

Non-flowing and somewhat murky / cloudy / turbid

Non-flowing and quite murky / cloudy / turbid

Other (specify in space below)

Don’t know

Lake / pond in backcountry


Stream / river in backcountry


Spring in backcountry


Lake / pond prior to entry into backcountry


Stream / river prior to entry into backcountry


Spring prior to entry into backcountry












Q9. Did you drink untreated water in the backcountry at YELL? By “untreated water” we mean water that was not treated using filtration, boiling, disinfection, or another treatment method before you drank it. Untreated water excludes bottled water and tap water. (PLEASE CHECK ONLY ONE ANSWER)


ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW



Q10. Did you (or another member of your group) treat your water in YELL before you drank it? (Note: your group is defined as all the people listed on your backcountry permit) (PLEASE CHECK ONLY ONE ANSWER)


ALWAYS (GO TO Q.11)

USUALLY (GO TO Q.11)

SOMETIMES (GO TO Q.11)

NEVER (GO TO Q.72)

DON’T KNOW (GO TO Q.72)


Q11. Was there a specific person (or persons) in your group who was (were) designated to treat the water for the group?

(PLEASE CHECK ONLY ONE ANSWER)

YES (GO TO Q.12)


NO (GO TO Q.13)


DON’T KNOW (GO TO Q.13)







Q12. How many people in your group were designated to treat the water?

(PLEASE CHECK ONLY ONE ANSWER)

One

Two

Three

Four

Five


More than five

Don’t Know


Q13. What method(s) was (were) used to treat the water?

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)


Filtration


Boiling

Disinfection drops/ tablets/ powder (e.g., chemicals like chlorine, iodine)

Ultraviolet (UV) light


Mixed oxidants / electrolysis


Clarification using a flocculating agent


Other (specify) ______________________________________________


Don’t Know


Q14. If MULTIPLE METHODS were selected in the previous question (Q.13), was one method alone used to treat the water before drinking it or were multiple methods sometimes used together to treat the water before drinking it?

(PLEASE CHECK ONLY ONE ANSWER)


Always only one method used (GO TO Q.16)


Always multiple methods used together (GO TO Q.15)


Sometimes one method used, sometimes multiple methods used together

(GO TO Q.15)

Other (specify) __________________________________ (GO TO Q.15)


Don’t Know (GO TO Q.16)

Q15. If MULTIPLE METHODS TOGETHER, which methods were used together? (PLEASE CHECK ALL THAT APPLY)


Filtration and boiling


Filtration and disinfection with chemicals


Filtration and ultraviolet (UV) light


Filtration and mixed oxidants / electrolysis


Filtration and clarification using a flocculating agent


Filtration and other method


Boiling and disinfection with chemicals


Boiling and ultraviolet (UV) light


Boiling and mixed oxidants / electrolysis


Boiling and clarification using a flocculating agent


Boiling and other method


Disinfection with chemicals and ultraviolet (UV) light


Disinfection with chemicals and mixed oxidants / electrolysis


Disinfection with chemicals & clarification using a flocculating agent


Disinfection with chemicals and other method


Ultraviolet (UV) light and mixed oxidants / electrolysis


Ultraviolet (UV) light and clarification using a flocculating agent


Ultraviolet (UV) light and other method


Mixed oxidants / electrolysis and clarification using a flocculating agent


Mixed oxidants / electrolysis and other method


Clarification using a flocculating agent and other method


Other combination (specify) _______________________________

Q16. If you FILTERED your water, please answer the following questions. If you did not filter your water, please go to Q.28:


Q17. You indicated that you drank filtered water while you were in the backcountry at YELL. Did you filter your drinking water or did someone else filter it for you?

(PLEASE CHECK ONLY ONE ANSWER)

I filtered my drinking water (GO TO Q.18)


Someone else filtered my drinking water (GO TO Q.19)

Sometimes I filtered, sometimes someone else filtered

(GO TO Q.18)

Other (specify) _____________________________ (GO TO Q.18)

Don’t Know (GO TO Q.22)


Q18. Did you ever filter water before this trip into the backcountry at YELL? (PLEASE CHECK ONLY ONE ANSWER)


YES


NO


DON’T KNOW


I DID NOT FILTER WATER ON THIS TRIP


Q19. Did the other people who filtered water on this trip ever filter water in the past? (PLEASE CHECK ONLY ONE ANSWER)


YES


NO


DON’T KNOW


I WAS THE ONLY PERSON WHO FILTERED WATER ON THIS TRIP




Q20. Did you wash your hands before filtering the water?

(PLEASE CHECK ONLY ONE ANSWER)


ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW


I DID NOT FILTER WATER ON THIS TRIP



Q21. Did the other people who filtered water wash their hands before filtering the water?

(PLEASE CHECK ONLY ONE ANSWER)


ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW


I WAS THE ONLY PERSON WHO FILTERED WATER ON THIS TRIP















Q22. Regarding the filter(s) used on this trip, can you easily distinguish between (1) the filter hose that brings raw untreated water from the water source into the filter (intake hose), and (2) the hose that removes finished filtered water from the device (outflow hose)?

(PLEASE CHECK ONLY ONE ANSWER)


YES, the intake and outflow hoses look different on all the filters used


N O, the hoses look the same on all the filters used and are interchangeable


YES and NO, the hoses look different on one or more filters but look the same and are interchangeable on the other filter(s)


DON’T KNOW



Q23. After the water was filtered, was the intake hose emptied and dried? The intake hose is the one that brings raw unfiltered water from the water source into the filter.

(PLEASE CHECK ONLY ONE ANSWER)


ALWAYS

USUALLY


SOMETIMES


NEVER


DON’T KNOW














Q24. How many individual filter devices did you/your group use while you were in the backcountry at YELL?

(PLEASE CHECK ONLY ONE ANSWER)



One

Two

Three

Four

Five


More than five

Don’t Know


Q25. Which filter(s) were used to filter water during your trip into the backcountry at YELL?

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)

I / WE USED THIS FILTER

BRAND

NAME

Alpine

Water Filter Bottle

Aquamira

Water Bottle and Filter

Basic Designs

Ceramic Filter Pump

Basic Designs

High-Flow Ceramic Water Filter

Bota of Boulder

Outback Water Filter

Coghlan's

Water Filter

Eddie Bauer

Outdoor Water Filtration Bottle

First Need

Base Camp Portable Water Purifier

First Need

Deluxe Water Purifier

First Need

Microlite Microfiltration Unit

First Need

Trav-L-Pure Water Purifier

Fountain of Youth

Water Filtration Bottle

Frontier

Ermergency Water Filter / Purification System

Homeland Preparedness

Emergency Water Filtration Bottle

Katadyn

Camp Microfilter with Gravity Siphon Filter System

Katadyn

Combi or Combi Plus Water Filter

Katadyn

Cyst Filter

Katadyn

Expedition Water Filter

Katadyn

Exstream Mackenzie Water Bottle Purifier

Katadyn

Exstream Orinoco Water Bottle Filter

Katadyn

Exstream Water Bottle Purifier

Katadyn

Exstream XR Water Purifier / Bottle

Katadyn

Gravidyn Drip Water Filter

Katadyn

Guide Water Filter / Microfilter

Katadyn

Hiker PRO Water Filter / Microfilter

Katadyn

Hiker Water Filter / Microfilter

Katadyn

Micro Filter Water Bottle

Katadyn

Mini Ceramic Filter / Microfilter

Katadyn

Pocket Filter / Microfilter

Katadyn

TRK Drip Water Filter with Ceradyn Element

CONTINUED ON NEXT PAGE

I / WE USED THIS FILTER

BRAND

NAME

MSR (Mountain Safety Research)

MiniWorks EX Ceramic Water Filter

MSR (Mountain Safety Research)

SweetWater Microfilter / Purifier System

MSR (Mountain Safety Research)

WaterWorks EX Ceramic Water Filter

NviroHealth

Grip Hydrol Filter Bottle

Platypus

Gravity Filtration System

ProForce

Pocket Water Purifier

ProForce

Ranger Water Purifier

ProForce

Trekker Water Purifier

Quake Kare

Water Filtration Bottle

Relags

Adventure Filter

Relags

Travel Filter

Sawyer Biological

Water Filtration Bottle

SweetWater

Guardian Microfilter

SweetWater

Walkabout Filter

Timberline

Eagle Filtration Pump System

Timberline

Water Filter

Timberline

Basecamp Filter

Other (specify) _____________________________________________

DON’T KNOW


















Q26. What was the pore size(s) of the filters that were used?

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)


Smaller than 0.2 micron (m)


0.2 micron (m) absolute


0.2 micron (m) nominal or normal or average


Greater than 0.2 micron (m) but smaller than 1 micron


1 micron (m) absolute


1 micron (m) nominal or normal or average


Greater than 1 micron (m)


Other (specify) ______________________________________


Don’t Know




Q27. While you were in the backcountry at YELL, how often did you drink water that had been filtered?

(PLEASE CHECK ONLY ONE ANSWER)


ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW
















Q28. If you BOILED your water, please answer the following questions. If you did not boil your water, please go to Q.30:


Q29. You indicated that you drank boiled water while you were in the backcountry at YELL. How often did you drink water that had been boiled? (PLEASE CHECK ONLY ONE ANSWER)


ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW




Q30. If you DISINFECTED your water with chemicals, please answer the following questions. If you did not disinfect your water, please go to Q.41:


Q31. You indicated that you drank water that was disinfected with chemicals while you were in the backcountry at YELL. Did you disinfect your drinking water or did someone else disinfect it for you? (PLEASE CHECK ONLY ONE ANSWER)


I disinfected my drinking water (GO TO Q.32)


Someone else disinfected my drinking water (GO TO Q.33)

Sometimes I disinfected, sometimes someone else disinfected

(GO TO Q.32)

Other (specify) _____________________________ (GO TO Q.32)


Don’t Know (GO TO Q.36)









Q32. Did you ever disinfect water before this trip into the backcountry at YELL?

(PLEASE CHECK ONLY ONE ANSWER)

YES


NO


DON’T KNOW


I DID NOT DISINFECT WATER ON THIS TRIP



Q33. Did the other people who disinfected the water on this trip ever disinfect water in the past?

(PLEASE CHECK ONLY ONE ANSWER)


YES


NO


DON’T KNOW


I WAS THE ONLY PERSON WHO DISINFECTED WATER ON THIS TRIP



Q34. Did you wash your hands before disinfecting the water?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW


I DID NOT DISINFECT WATER ON THIS TRIP





Q35. Did the other people who disinfected the water wash their hands before disinfecting the water?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW


I WAS THE ONLY PERSON WHO DISINFECTED WATER ON THIS TRIP


Q36. Did the people disinfecting the water (including yourself, if applicable) use the recommended amount of chemicals (i.e., as recommended by the manufacturer)?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS (GO TO Q.38)


USUALLY (GO TO Q.37)


SOMETIMES (GO TO Q.37)


NEVER (GO TO Q.37)


DON’T KNOW (GO TO Q.38)
















Q37. Why was more or less than the recommended amounts of chemicals used? (PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)


Bad or unpleasant taste

Didn’t buy / bring enough

The recommended amount was more than was needed to kill all the germs


The recommended amount was less than was needed to kill all the germs


Concern about the health effects from too much of the chemical(s)


The water in this area did not pose a significant health risk


Had a difficult time estimating the volume of the water storage container


Other (specify) ______________________________


Don’t Know


Q38. Did you and / or others wait the recommended time after adding the chemicals before drinking the water?

(PLEASE CHECK ONLY ONE ANSWER)


ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW







Q39. Which chemical(s) was (were) used to disinfect the water?

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)


Chlorine tablets that come in a bottle

Chlorine tablets individually wrapped in foil

Chlorine drops/liquid

Chlorine powder/crystals


Chlorine dioxide tablets that come in a bottle

Chlorine dioxide tablets individually wrapped in foil

Chlorine dioxide drops/liquid

Chlorine dioxide powder


Iodine tablets

Iodine drops/liquid

Iodine powder/crystals


Silver ions


Other (specify) _________________________________________


Don’t Know


Q40. While you were in the backcountry, how often did you drink water that had been disinfected with chemicals?

(PLEASE CHECK ONLY ONE ANSWER)


ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW


Q41. If you treated your water with ULTRAVIOLET (UV) LIGHT, please answer the following questions. If you did not treat your water this way, please go to Q.50:

Q42. You indicated that you drank water treated with UV light while you were in the backcountry at YELL. Did you treat your drinking water with UV light or did someone else treat it with UV light for you? (PLEASE CHECK ONLY ONE ANSWER)


I treated my drinking water with UV light (GO TO Q.43)


Someone else treated my drinking water with UV light

(GO TO Q.44)

Sometimes I treated, sometimes someone else treated

(GO TO Q.43)

Other (specify) ____________________________ (GO TO Q.43)


Don’t Know (GO TO Q.47)


Q43. Did you ever treat water with UV light before this trip into the backcountry at YELL?

(PLEASE CHECK ONLY ONE ANSWER)

YES


NO


DON’T KNOW


I DID NOT TREAT WATER WITH UV LIGHT ON THIS TRIP


Q44. Did the other people who treated water with UV light on this trip ever treat water with UV light in the past?

(PLEASE CHECK ONLY ONE ANSWER)

YES


NO


DON’T KNOW


I WAS THE ONLY PERSON WHO TREATED WATER WITH ULTRAVIOLET (UV) LIGHT ON THIS TRIP

Q45. Did you wash your hands before treating the water with UV light? (PLEASE CHECK ONLY ONE ANSWER)


ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW


I DID NOT TREAT WATER WITH ULTRAVIOLET (UV) LIGHT ON THIS TRIP



Q46. Did the other people who treated the water with UV light wash their hands before treating the water this way?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW


I WAS THE ONLY PERSON WHO TREATED WATER WITH ULTRAVIOLET (UV) LIGHT ON THIS TRIP



Q47. Which device(s) was (were) used to treat water with UV light?

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)


SteriPEN Water Purifier


Other (specify) _______________________________________


Don’t Know



Q48. While you were in the backcountry at YELL, how often did you drink water that had been treated with UV light?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW



Q49. How many individual UV light devices did you/your group use while you were in the backcountry at YELL

(PLEASE CHECK ONLY ONE ANSWER)


One

Two

Three

Four

Five


More than five

Don’t Know













Q50. If you treated your water with MIXED OXIDANTS or ELECTROLYSIS, please answer the following questions. If you did not treat your water this way, please go to Q.59:


Q51. You indicated that you drank water treated with mixed oxidants or electrolysis while you were in the backcountry at YELL. Did you treat your drinking water with mixed oxidants or electrolysis or did someone else treat it for you?

(PLEASE CHECK ONLY ONE ANSWER)


I treated my drinking water with mixed oxidants or electrolysis

(GO TO Q.52)


Someone else treated my drinking water with mixed oxidants or electrolysis (GO TO Q.53)


Sometimes I treated, sometimes someone else treated

(GO TO Q.52)

Other (specify) ____________________________ (GO TO Q.52)


Don’t Know (GO TO Q.56)


Q52. Did you ever treat water with mixed oxidants or electrolysis before this trip into the backcountry at YELL?

(PLEASE CHECK ONLY ONE ANSWER)

YES


NO


DON’T KNOW


I DID NOT TREAT WATER WITH MIXED OXIDANTS OR ELECTROLYSIS ON THIS TRIP










Q53. Did the other people who treated water with mixed oxidants or electrolysis ever treat water this way in the past?

(PLEASE CHECK ONLY ONE ANSWER)

YES


NO


DON’T KNOW


I WAS THE ONLY PERSON WHO TREATED WATER WITH MIXED OXIDANTS OR ELECTROLYSIS ON THIS TRIP


Q54. Did you wash your hands before treating the water with mixed oxidants or electrolysis? (PLEASE CHECK ONLY ONE ANSWER)


ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW


I DID NOT TREAT WATER WITH MIXED OXIDANTS OR ELECTROLYSIS ON THIS TRIP


Q55. Did the other people who treated the water with mixed oxidants or electrolysis wash their hands before treating the water in this way? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW


I WAS THE ONLY PERSON WHO TREATED WATER WITH MIXED OXIDANTS OR ELECTROLYSIS ON THIS TRIP

Q56. Which device(s) was (were) used to treat water with mixed oxidants or electrolysis?

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)


MSR MIOX Water Purifier


Other (specify) _________________________________________


Don’t Know


Q57. While you were in the backcountry at YELL, how often did you drink water that had been treated with mixed oxidants or electrolysis?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW




Q58. How many individual mixed oxidants / electrolysis devices did you/your group use while you were in the backcountry at YELL?

(PLEASE CHECK ONLY ONE ANSWER)

One

Two

Three

Four

Five


More than five

Don’t Know





Q59. If you treated your water with CLARIFICATION USING A FLOCCULATING AGENT, please answer the following questions. If you did not treat your water this way, please go to Q.70:


Q60. You indicated that you drank water clarified using a flocculating agent while you were in the backcountry at YELL. Did you clarify your drinking water or did someone else clarify it for you?

(PLEASE CHECK ONLY ONE ANSWER)


I clarified my drinking water (GO TO Q.61)


Someone else clarified my drinking water (GO TO Q.62)

Sometimes I clarified, sometimes someone else clarified

(GO TO Q.61)

Other (specify) _____________________________ (GO TO Q.61)


Don’t Know (GO TO Q.65)


Q61. Did you ever clarify water using a flocculating agent before this trip into the backcountry at YELL?

(PLEASE CHECK ONLY ONE ANSWER)

YES


NO


DON’T KNOW


I DID NOT CLARIFY WATER USING A FLOCCULATING AGENT ON THIS TRIP


Q62. Did the other people who clarified water using a flocculating agent ever treat water this way in the past?

(PLEASE CHECK ONLY ONE ANSWER)

YES


NO


DON’T KNOW


I WAS THE ONLY PERSON WHO CLARIFIED WATER USING A FLOCCULATING AGENT ON THIS TRIP

Q63. Did you wash your hands before clarifying the water using a flocculating agent? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW


I DID NOT CLARIFY WATER USING A FLOCCULATING AGENT ON THIS TRIP


Q64. Did the other people who clarified the water using a flocculating agent wash their hands before treating the water in this way? (PLEASE CHECK ONLY ONE ANSWER)


ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW


I WAS THE ONLY PERSON WHO TREATED WATER WITH MIXED OXIDANTS OR ELECTROLYSIS ON THIS TRIP


Q65. Did the people clarifying the water (including yourself, if applicable) use the recommended amount of flocculating agent (i.e., as recommended by the manufacturer)? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS (GO TO Q.67)

USUALLY (GO TO Q.66)

SOMETIMES (GO TO Q.66)

NEVER (GO TO Q.66)

DON’T KNOW (GO TO Q.67)

Q66. Why was more or less than the recommended amount of flocculating agent used? (PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)


Bad or unpleasant taste

Didn’t buy/bring enough

The recommended amount was more than was needed to kill all the germs


T he recommended amount was less than was needed to kill all the germs


Concern about the health effects from too much of the chemicals


The water in this area did not pose a significant health risk


Had a difficult time estimating the volume of the water storage container


Other (specify) ______________________________


D on’t Know


Q67. Did you and / or others wait the recommended time after adding the flocculating agents before drinking the water?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW







Q68. Which flocculating agents were used to disinfect the water?

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)


US Military Water Purification Tablets

Other (specify) _________________________________________


Don’t Know


Q69. While you were in the backcountry, how often did you drink water that had been clarified with a flocculating agent? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW



Q70. If you treated your water with some OTHER METHOD, please answer the following questions. If you did not treat your water this way, please go to Q.72:



Q71. You indicated that you drank water that was treated by some other method. While you were in the backcountry at YELL, how often did you drink water that had been treated with this other method?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW



Q72. Do you think it is safe to drink water from natural sources in any of the backcountry areas in YELL without first treating the water?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW



Q73. Do you think it is safe to drink water from natural sources in any of the backcountry areas within the United States without first treating the water?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW


















Q74. What were your sources of information about treating water in the backcountry? (PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)


The National Park Service

Manufacturers of treatment devices or chemicals

Staff at a camping / outdoor supplies / sports retail store

Backpacking / hiking magazine

B ackpacking / hiking website

B ackpacking / hiking book or guide book


W ilderness training course

Physician / healthcare provider

The Centers for Disease Control and Prevention

Friends / family / colleagues

Other (specify) ____________________________________________


Don’t Know


Q75. Did you share water bottles with other people in the backcountry?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW








F OOD AND FOOD PREPARATION


Q76. Did you eat or taste any of the following foods while you were in the backcountry at Yellowstone National Park (abbreviated as YELL)?

(PLEASE CHECK ONLY ONE ANSWER FOR EACH FOOD ITEM)


FOOD

YES

NO

DON’T KNOW

Eggs carried raw into the backcountry?

Ground beef carried raw into the backcountry?

Beef carried raw into the backcountry (e.g., steak)?

Chicken carried raw into the backcountry?

Raw fruit?

(GO TO Q.77)

(GO TO Q.82)

(GO TO Q.82)

Raw vegetables?

(GO TO Q.77)

(GO TO Q.82)

(GO TO Q.82)

Wild berries found in the backcountry?

(GO TO Q.77)

(GO TO Q.82)

(GO TO Q.82)

Wild plants found in the backcountry?

(GO TO Q.77)

(GO TO Q.82)

(GO TO Q.82)



Q77. While you were in the backcountry, did you or a member of your group wash these raw foods before you ate them (i.e., raw fruit, raw vegetables, wild berries, wild plants)? (PLEASE CHECK ONLY ONE ANSWER) (Note: your group is defined as all the people listed on your backcountry permit)

ALWAYS (GO TO Q.78)

USUALLY (GO TO Q.78)

SOMETIMES (GO TO Q.78)

NEVER (GO TO Q.82)

DON’T KNOW (GO TO Q.82)











Q78. What type of water was used to wash these raw foods?

(PLEASE CHECK ONLY ONE ANSWER)

Untreated water only


Treated drinking water only (treatment includes filtering, boiling, disinfecting with chemicals, UV light, mixed oxidants/electrolysis, clarification, and commercially bottled water)

Sometimes untreated water, sometimes treated drinking water

Other (specify) ________________________________________


Don’t Know


Q79. Who washed these raw foods while you were in the backcountry?

(PLEASE CHECK ONLY ONE ANSWER)


I washed the food


Another member(s) of my group washed the food


Sometimes I washed, sometimes another member(s) washed the food


Other (specify) ________________________________________


Don’t Know


Q80. Did you wash your hands before washing the raw foods?

(PLEASE CHECK ONLY ONE ANSWER)


ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW


I DID NOT WASH RAW FOODS ON THIS TRIP


Q81. Did other people wash their hands before washing the raw foods? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW


I WAS THE ONLY PERSON WHO WASHED RAW FOODS ON THIS TRIP


Q82. Who prepared or cooked food for you while you were in the backcountry?

(PLEASE CHECK ONLY ONE ANSWER) (Note: your group is defined as all the people listed on your backcountry permit)


I prepared or cooked all the food I ate or tasted (GO TO Q.83)


Someone else in my group prepared or cooked all the food I ate or tasted

(GO TO Q.84)

Someone outside of my group prepared or cooked all the food I ate or tasted

(GO TO Q.84)

Sometimes I prepared or cooked the food, sometimes someone else in my group prepared or cooked the food (GO TO Q.83)

Sometimes I prepared or cooked the food, sometimes someone outside my group prepared or cooked the food (GO TO Q.83)


Sometimes someone else in my group prepared or cooked the food, sometimes someone outside my group prepared or cooked the food (GO TO Q.84)

Food was prepared or cooked by me, my group members, and people outside my group (GO TO Q.83)

Other (specify) ________________________________________ (GO TO Q.83)


Don’t Know (GO TO Q.85)



Q83. Did you wash your hands before preparing and cooking food in the backcountry? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW


I DID NOT PREPARE OR COOK FOOD ON THIS TRIP



Q84. Did other people wash their hands before preparing and cooking food in the backcountry? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

D ON’T KNOW


I WAS THE ONLY PERSON ON THIS TRIP WHO PREPARED OR COOKED FOOD



Q85. Did you use cold or unheated water to rehydrate food you ate while you were in the backcountry? (PLEASE CHECK ONLY ONE ANSWER)

YES (GO TO Q.86)


NO (GO TO Q.89)


I DID NOT EAT FOOD THAT REQUIRED REHYDRATION (GO TO Q.89)


DON’T KNOW (GO TO Q.89)




Q86. Was the water boiled in the process of rehydrating the food?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW


Q87. Was the water treated before it was used to rehydrate food? (Note: treatment includes filtering, boiling, disinfecting with chemicals, UV light, mixed oxidants/electrolysis, clarification, and commercially bottled water)

(PLEASE CHECK ONLY ONE ANSWER)

YES (GO TO Q.88)


NO (GO TO Q.89)


DON’T KNOW (GO TO Q.89)


Q88. What method was used to treat the water before it was used to rehydrate food? (PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)


Filtration


Boiling

Disinfection drops/ tablets/ powder (e.g., chemicals such as chlorine, iodine)


Ultraviolet (UV) light


Mixed oxidants/ electrolysis


Clarification using a flocculating agent


Bottled water purchased before entering the backcountry


Other (specify) ______________________________________


D on’t Know

Q89. Did you use water to cook any of the food you ate while you were in the backcountry? (PLEASE CHECK ONLY ONE ANSWER)

YES (GO TO Q.90)


NO (GO TO Q.93)


I DID NOT EAT FOOD THAT REQUIRED COOKING (GO TO Q.93)


DON’T KNOW (GO TO Q.93)



Q90. Was the water boiled in the process of cooking the food?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW



Q91. Was the water treated before it was used for cooking? (Note: treatment includes filtering, boiling, disinfecting with chemicals, UV light, mixed oxidants/electrolysis, clarification, and commercially bottled water)

(PLEASE CHECK ONLY ONE ANSWER)


YES (GO TO Q.92)


NO (GO TO Q.93)


DON’T KNOW (GO TO Q.93)











Q92. What method was used to treat the water before using it for cooking? (PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)


Filtration


Boiling


D isinfection drops/ tablets/ powder (e.g., chemicals such as chlorine, iodine)


Ultraviolet (UV) light


Mixed oxidants/ electrolysis


Clarification using a flocculating agent


Bottled water purchased before entering the backcountry


Other (specify) ________________________________________


Don’t Know


Q93. Did you wash your hands before eating in the backcountry?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW














Q94. Were cooking utensils, cutlery, and dishes washed and/or rinsed and/or soaked while you were in the backcountry (e.g., pots, pans, knives, forks, spoons, plates, bowls, glasses, cups, mugs)? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS (GO TO Q.95)

USUALLY (GO TO Q.95)

SOMETIMES (GO TO Q.95)

NEVER (i.e., never washed/rinsed/soaked but perhaps were wiped off or licked)

(GO TO Q.104)


DOES NOT APPLY – NO UTENSILS / CUTLERY / DISHES WERE USED

(GO TO Q. 104)

DON’T KNOW (GO TO Q. 104)



Q95. Was untreated water ever used to wash/rinse/soak the cooking utensils, cutlery, or dishes? (Note: untreated water is water that would not be used for drinking and was never filtered, boiled, disinfected with chemicals, treated with UV light, treated with mixed oxidants/electrolysis, clarified, or commercially bottled – e.g., water taken directly from a creek)

(PLEASE CHECK ONLY ONE ANSWER)


YES (GO TO Q.96)


NO (GO TO Q.99)


DON’T KNOW (GO TO Q.99)



Q96. Was soap used to wash/rinse/soak the cooking utensils, cutlery, or dishes in addition to the water? (PLEASE CHECK ONLY ONE ANSWER)


ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW



Q97. Was disinfectant (e.g., chlorine, iodine) added to the water just before the water was used to wash/rinse/soak the cooking utensils, cutlery, or dishes? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW



Q98. What temperature was the water when it was used to wash/rinse/soak the cooking utensils, cutlery, or dishes?

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)

COLD


WARM


HOT BUT NEVER BOILING


BOILING (OR HOT WATER THAT HAD PREVIOUSLY BOILED)


DON’T KNOW



Q99. Was treated drinking water ever used to wash/rinse/soak the cooking utensils, cutlery, or dishes? (Note: treated drinking water is water that was filtered, boiled, disinfected with chemicals, treated with UV light, treated with mixed oxidants/electrolysis, clarified, or commercially bottled – e.g., water previously treated for drinking, hygiene, etc.)

(PLEASE CHECK ONLY ONE ANSWER)


YES (GO TO Q.100)


NO (GO TO Q.103)


DON’T KNOW (GO TO Q.103)




Q100. Was soap used to wash/rinse/soak the cooking utensils, cutlery, or dishes in addition to the water? (PLEASE CHECK ONLY ONE ANSWER)


ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW



Q101. Was additional disinfectant (e.g., chlorine, iodine) added to the water just before the water was used to wash/rinse/soak the cooking utensils, cutlery, or dishes? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW



Q102. What temperature was the water when it was used to wash/rinse/soak the cooking utensils, cutlery, or dishes?

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)

COLD


WARM


HOT BUT NEVER BOILING


BOILING (OR HOT WATER THAT HAD PREVIOUSLY BOILED)


DON’T KNOW





Q103. How were these utensils/cutlery/dishes dried?

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)


Air dried

Single-use disposable towel


Reusable towel used only to dry utensils / cutlery / dishes

Reusable towel used for multiple purposes (e.g., drying hands, drying dishes)

Clothes

Other (specify) ________________________________________


Don’t Know


Q104. Did you share cutlery and dishes with other people in the backcountry (e.g., knives, forks, spoons, plates, bowls, glasses, cups, mugs)?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW


Q105. Did you share food or a meal out of a communal or shared container / plate where everyone put their utensils into the same food?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW

Q106. Did you share food or a meal out of a communal or shared container / plate where everyone put their hands into the same food? Examples include but are not limited to food such as trail mix, dried fruit, nuts, fresh fruit or vegetables, jerky, chips, candy, cookies, and crackers. (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS (GO TO Q.107)

USUALLY (GO TO Q.107)

SOMETIMES (GO TO Q.107)

NEVER (GO TO Q.109)

DON’T KNOW (GO TO Q.109)



Q107. How often did you wash your hands before eating from a communal or shared container / plate? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW



Q108. How often did others wash their hands before eating from a communal or shared container / plate? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW




S ANITATION AND HYGIENE


Q109. Did you brush your teeth while you were in the backcountry at Yellowstone National Park (abbreviated as YELL)?

(PLEASE CHECK ONLY ONE ANSWER)

YES (GO TO Q.110)

NO (GO TO Q.111)

DON’T KNOW (GO TO Q.111)



Q110. What water source did you use to brush your teeth with?

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)

Untreated water


Treated drinking water (treatment includes filtering, boiling, disinfecting with chemicals, UV light, mixed oxidants/electrolysis, clarification, and commercially bottled water)


Sometimes untreated water, sometimes treated drinking water

Other (specify) ______________________________________________


Don’t Know



Q111. Did you bathe or shower while you were in the backcountry?

(PLEASE CHECK ONLY ONE ANSWER)

YES (GO TO Q.112)


NO (GO TO Q.119)


DON’T KNOW (GO TO Q.119)










Q112. What water source did you use for bathing or showering?

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)

Lake/pond (or other standing body of water)


Stream/river (or other flowing water, e.g., waterfalls)

Spring


Hot spring


Other (specify) ______________________________________________


Don’t Know


Q113. Did you get water splashed in your face when you bathed or showered? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW




Q114. Did you put your face or head in or under the water when you bathed or showered? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW




Q115. Did you get any water in your mouth when you bathed or showered?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS (GO TO Q.116)

USUALLY (GO TO Q.116)

SOMETIMES (GO TO Q.116)

NEVER (GO TO Q.117)

DON’T KNOW (GO TO Q.117)



Q116. Did you swallow any of this water?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW




Q117. Did you dive or jump into any of the water you bathed in or showered with? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW






Q118. Did you use soap when you bathed or showered while you were in the backcountry? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW



Q119. While you were in the backcountry, did you ever wash your hands?

(PLEASE CHECK ONLY ONE ANSWER)

YES (GO TO Q.120)


NO (GO TO Q.122)


DON’T KNOW (GO TO Q.122)




Q120. What did you use to wash your hands with?

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)

Untreated water


Treated drinking water (treatment includes filtering, boiling, disinfecting with chemicals, UV light, mixed oxidants/electrolysis, clarification, and commercially bottled water)

Soap and untreated water

S oap and treated drinking water (treatment includes filtering, boiling, disinfecting with chemicals, UV light, mixed oxidants/electrolysis, clarification, and commercially bottled water)

Hand sanitizer that doesn’t require water


Other (specify) ______________________________________________


Don’t Know



Q121. What did you use to dry your hands with?

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)

Nothing – air dried


Single-use disposable towel


Re-usable towel used only to dry hands and used only by you


Re-usable towel used only to dry hands and used by more than one person


Re-usable towel used for multiple purposes (e.g., drying hands, drying dishes) and used only by you


Re-usable towel used for multiple purposes (e.g., drying hands, drying dishes) and used by more than one person

Clothes

Other (specify) ______________________________________________


Don’t Know




Q122. While you were in the backcountry, did others you traveled with ever wash their hands? (PLEASE CHECK ONLY ONE ANSWER)

YES (GO TO Q.123)


NO (GO TO Q.125)


DON’T KNOW (GO TO Q.125)


I TRAVELED BY MYSELF (GO TO Q.125)














Q123. What did they use to wash their hands with?

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)

Untreated water


Treated drinking water (treatment includes filtering, boiling, disinfecting with chemicals, UV light, mixed oxidants/electrolysis, clarification, and commercially bottled water)

Soap and untreated water

S oap and treated drinking water (treatment includes filtering, boiling, disinfecting with chemicals, UV light, mixed oxidants/electrolysis, clarification, and commercially bottled water)

Hand sanitizer that doesn’t require water


Other (specify) ______________________________________________


Don’t Know




Q124. What did they use to dry their hands with?

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)

Nothing – air dried


Single-use disposable towel


Re-usable towel used only to dry hands and used only by a single person


Re-usable towel used only to dry hands and used by more than one person


Re-usable towel used for multiple purposes (e.g., drying hands, drying dishes) and used only by a single person


Re-usable towel used for multiple purposes (e.g., drying hands, drying dishes) and used by more than one person

Clothes

Other (specify) ______________________________________________


Don’t Know


Q125. While you were in the backcountry, did you wash your hands after urination?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER


I DID NOT URINATE WHILE I WAS IN THE BACKCOUNTRY

DON’T KNOW

Q126. While you were in the backcountry, did you wash your hands after bowel movements? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS (GO TO Q.127)

USUALLY (GO TO Q.127)

SOMETIMES (GO TO Q.127)

NEVER (GO TO Q.127)


I DID NOT HAVE A BOWEL MOVEMENT WHILE I WAS IN THE BACKCOUNTRY (GO TO Q.132)

DON’T KNOW (GO TO Q.127)

Q127. While you were in the backcountry, how did you dispose of your feces?

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)


I did not have a bowel movement while I was in the backcountry

(GO TO Q.132)

I used an outhouse / latrine / wooden box-style toilet (GO TO Q.130)

I buried my feces in a hole (GO TO Q.128)


I defecated directly on the ground and did not bury (GO TO Q.129)

O ther (specify) _________________________________ (GO TO Q.129)


Don’t Know (GO TO Q.129)

Q128. You indicated you buried your feces. On average, how deep were these holes? (PLEASE CHECK ONLY ONE ANSWER)


Less than 1 inch


1 to 2 inches


3 to 5 inches


6 to 8 inches

9 to 12 inches

Deeper than 12 inches


I did not bury my feces


Don’t Know



Q129. On average, how far away from a water source did you defecate (e.g., lake, pond, river, stream, waterfall, spring, hot spring)? For your a reference, a typical city transit bus is approximately 40 feet long, an Olympic-size swimming pool is 164 feet long, and an American football field is 360 feet long.

(PLEASE CHECK ONLY ONE ANSWER)


Less than 10 feet


10 to 29 feet


30 to 49 feet

50 to 74 feet

75 to 99 feet


100 to 124 feet


125 to 149 feet


150 to 200 feet


More than 200 feet


Don’t Know

Q130. While you were in the backcountry, did you use toilet paper? (PLEASE CHECK ONLY ONE ANSWER)


ALWAYS (GO TO Q.131)

USUALLY (GO TO Q.131)

SOMETIMES (GO TO Q.131)

NEVER (GO TO Q.132)

DON’T KNOW (GO TO Q.132)



Q131. Did the toilet paper last through the entire backcountry trip? (PLEASE CHECK ONLY ONE ANSWER)

YES


NO


DON’T KNOW




R ECREATIONAL WATER ACTIVITIES


Q132. Did you canoe, kayak, or boat while you were in the backcountry at Yellowstone National Park (abbreviated as YELL)?

(PLEASE CHECK ONLY ONE ANSWER)

YES


NO


DON’T KNOW



Q133. Did you wade, soak your body, or swim in water while you were in the backcountry at YELL? (PLEASE CHECK ONLY ONE ANSWER)

YES (GO TO Q.134)


NO (GO TO Q.140)


DON’T KNOW (GO TO Q.140)

Q134. What water source(s) did you use to wade, soak, or swim in?

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)

Lake/pond (or other standing body of water)

Stream/river (or other flowing water, e.g., waterfalls)

Spring

Hot spring

Other (specify) ______________________________________________


Don’t Know


Q135. Did you get water splashed in your face when you waded, soaked, or swam? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW



Q136. Did you put your face or head in or under the water when you waded, soaked, or swam? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW





Q137. Did you get any water in your mouth when you waded, soaked, or swam?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS (GO TO Q.138)

USUALLY (GO TO Q.138)

SOMETIMES (GO TO Q.138)

NEVER (GO TO Q.139)

DON’T KNOW (GO TO Q.139)



Q138. Did you swallow any of this water?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW



Q139. Did you dive or jump into any of this water?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW








CONTACT WITH ANIMALS


Q140. Did you touch animal feces while you were in the backcountry at Yellowstone National Park (abbreviated as YELL) (e.g., while trying to remove feces from shoes or camping gear)? (PLEASE CHECK ONLY ONE ANSWER)

YES


NO


DON’T KNOW



Q141. Did you see pack animals (e.g., horses, ponies, donkeys, mules remove llamas) while you were in the backcountry at YELL?

(PLEASE CHECK ONLY ONE ANSWER)

YES (GO TO Q.142)


NO (GO TO Q.143)


DON’T KNOW (GO TO Q.143)



Q142. Did you have physical contact with a pack animal while you were in the backcountry at YELL?

(PLEASE CHECK ONLY ONE ANSWER)

YES


NO


DON’T KNOW




We would now like to ask you questions about your health DURING AND AFTER the time you were traveling in the backcountry at YELL.









YOUR HEALTH



Q143. When you first entered the backcountry at Yellowstone National Park (abbreviated as YELL), were you having any of the following symptoms?

(PLEASE CHECK THE ONE CORRECT ANSWER FOR EACH SYMPTOM)


CONDITION

YES

NO

DON’T KNOW

Diarrhea? (defined as 3 or more loose bowel movements in 24 hours)

Nausea?

Vomiting?

Abdominal pains or cramps?

Q144. Since you entered the backcountry at YELL until now, did you develop or experience any of the following symptoms or conditions that you did not have when you first entered the backcountry? (PLEASE CHECK ALL THAT APPLY) Please also tell us on what date you first became ill or injured with this condition and whether this is the actual or estimated date.


CONDITION

YES,

I developed this symptom or condition

DATE FIRST BECAME ILL OR INJURED

(MM/DD/YYYY)

A cold, nasal congestion, sinus infection, or sore throat?

_ _ / _ _ / _ _ _ _

actual estimated

Chest congestion?

_ _ / _ _ / _ _ _ _

actual estimated

Chest tightness?

_ _ / _ _ / _ _ _ _

actual estimated

Shortness of breath at rest?

_ _ / _ _ / _ _ _ _

actual estimated

Cough?

_ _ / _ _ / _ _ _ _

actual estimated

A lung infection (e.g., bronchitis, pneumonia)?

_ _ / _ _ / _ _ _ _

actual estimated

An asthma attack?

_ _ / _ _ / _ _ _ _

actual estimated

Wheezing?

_ _ / _ _ / _ _ _ _

actual estimated

Allergies (e.g., hayfever)?

_ _ / _ _ / _ _ _ _

actual estimated

Eye irritation (e.g., itchy, painful, burning, watery)?

_ _ / _ _ / _ _ _ _

actual estimated

Blurred vision?

_ _ / _ _ / _ _ _ _

actual estimated

CONTINUED ON NEXT PAGE


CONDITION

YES,

I developed this symptom or condition

DATE FIRST BECAME ILL OR INJURED

(MM/DD/YYYY)

Eye twitching?

_ _ / _ _ / _ _ _ _

actual estimated

An eye infection?

_ _ / _ _ / _ _ _ _

actual estimated

An ear infection or earache?

_ _ / _ _ / _ _ _ _

actual estimated

Headache?

_ _ / _ _ / _ _ _ _

actual estimated

Dizziness or light-headedness?

_ _ / _ _ / _ _ _ _

actual estimated

Balance problems, stumbling, or difficulty walking?

_ _ / _ _ / _ _ _ _

actual estimated

Weakness or decreased exercise performance?

_ _ / _ _ / _ _ _ _

actual estimated

Loss of appetite?

_ _ / _ _ / _ _ _ _

actual estimated

Diarrhea? (defined as 3 or more loose bowel movements in 24 hours)

_ _ / _ _ / _ _ _ _

actual estimated

Blood in stools or bowel movements?

_ _ / _ _ / _ _ _ _

actual estimated

Nausea?

_ _ / _ _ / _ _ _ _

actual estimated

Vomiting?

_ _ / _ _ / _ _ _ _

actual estimated

Abdominal pains or cramps?

_ _ / _ _ / _ _ _ _

actual estimated

Constipation?

_ _ / _ _ / _ _ _ _

actual estimated

A urinary tract infection, pain or burning during urination, urinary discharge, or blood in the urine?

_ _ / _ _ / _ _ _ _

actual estimated

A tick bite(s)?

_ _ / _ _ / _ _ _ _

actual estimated

Other insect bite(s)? (specify) _________________________________

_ _ / _ _ / _ _ _ _

actual estimated

A wound, cut, laceration, (delete “or” here) skin abrasion, or scrape?

_ _ / _ _ / _ _ _ _

actual estimated

CONTINUED ON NEXT PAGE









CONDITION

YES,

I developed this symptom or condition

DATE FIRST BECAME ILL OR INJURED

(MM/DD/YYYY)

A wound infection?

_ _ / _ _ / _ _ _ _

actual estimated

A rash or skin infection?

_ _ / _ _ / _ _ _ _

actual estimated

Blisters on your feet?

_ _ / _ _ / _ _ _ _

actual estimated

Burn (from fire or sparks, not sunburn)?

_ _ / _ _ / _ _ _ _

actual estimated

Sunburn?

_ _ / _ _ / _ _ _ _

actual estimated

Joint pain or sprain?

_ _ / _ _ / _ _ _ _

actual estimated

Back pain or strain?

_ _ / _ _ / _ _ _ _

actual estimated

Other muscle cramps, strain, or pull?

_ _ / _ _ / _ _ _ _

actual estimated

A fracture or broken bone?

_ _ / _ _ / _ _ _ _

actual estimated

A dislocated joint?

_ _ / _ _ / _ _ _ _

actual estimated

Another injury or wound? (specify) _____________________________

_ _ / _ _ / _ _ _ _

actual estimated

Another illness? (specify) ____________________________________

_ _ / _ _ / _ _ _ _

actual estimated

Psychological condition (e.g., loneliness, boredom, depression)?

_ _ / _ _ / _ _ _ _

actual estimated

Excessive fatigue?

_ _ / _ _ / _ _ _ _

actual estimated

Insomnia or problems sleeping?

_ _ / _ _ / _ _ _ _

actual estimated

Poor concentration

_ _ / _ _ / _ _ _ _

actual estimated

Social condition (e.g., problems with other backcountry users)?

_ _ / _ _ / _ _ _ _

actual estimated

Lack of physical conditioning?

_ _ / _ _ / _ _ _ _

actual estimated

Hypothermia?

_ _ / _ _ / _ _ _ _

actual estimated

Other? (specify) ___________________________________________

_ _ / _ _ / _ _ _ _

actual estimated







Q145. Did you cut short your time in the backcountry because of any illnesses, injuries, or other conditions you had while you were in the backcountry?

PLEASE CHECK ONLY ONE ANSWER

YES (GO TO Q.146)


NO (GO TO Q.147)


DON’T KNOW (GO TO Q.147)



Q146. Did you have to leave the backcountry sooner than you planned because of any of the following condition(s)? How many days did you lose from your backcountry trip? (IF YOU LOST LESS THAN ONE FULL DAY FROM YOUR PLANNED TRIP INTO THE BACKCOUNTRY, PLEASE WRITE THE NUMBER “0” [ZERO])

CONDITION

I CUT SHORT MY TRIP BECAUSE OF THIS/ THESE CONDITION(S)

(CHECK ALL THAT APPLY)

NUMBER OF DAYS I LOST FROM MY PLANNED TRIP INTO THE BACKCOUNTRY

A cold, nasal congestion, sinus infection, or sore throat?

______ days

Chest congestion?

______ days

Chest tightness?

______ days

Shortness of breath at rest?

______ days

Cough?

______ days

A lung infection (e.g., bronchitis, pneumonia)?

______ days

An asthma attack?

______ days

Wheezing?

______ days

Allergies (e.g., hayfever)?

______ days

Eye irritation (e.g., itchy, painful, burning, watery)?

______ days

Blurred vision?

______ days

Eye twitching?

______ days

An eye infection?

______ days

An ear infection or earache?

______ days

Headache?

______ days

Dizziness or light-headedness?

______ days

Balance problems, stumbling, or difficulty walking?

______ days

Weakness or decreased exercise performance?

______ days

CONTINUED ON NEXT PAGE





CONDITION

I CUT SHORT MY TRIP BECAUSE OF THIS/ THESE CONDITION(S)

(CHECK ALL THAT APPLY)

NUMBER OF DAYS I LOST FROM MY PLANNED TRIP INTO THE BACKCOUNTRY

Loss of appetite?

______ days

Diarrhea? (defined as 3 or more loose bowel movements in 24 hours)

______ days

Blood in stools or bowel movements?

______ days

Nausea?

______ days

Vomiting?

______ days

Abdominal pains or cramps?

______ days

Constipation?

______ days

A urinary tract infection, pain or burning during urination, urinary discharge, or blood in the urine?

______ days

A tick bite(s)?

______ days

Other insect bite(s)? (specify) _________________________________

______ days

A wound, cut, laceration, (delete “or” here) skin abrasion, or scrape?

______ days

A wound infection?

______ days

A rash or skin infection?

______ days

Blisters on your feet?

______ days

Burn (from fire or sparks, not sunburn)? (When I choose this option, the sunburn date question also shows up – can you fix this?)

______ days

Sunburn?

______ days

Joint pain or sprain?

______ days

Back pain or strain?

______ days

Other muscle cramps, strain, or pull?

______ days

A fracture or broken bone?

______ days

A dislocated joint?

______ days

Another injury or wound? (specify) _____________________________

______ days

Another illness? (specify) ____________________________________

______ days

Psychological condition (e.g., loneliness, boredom, depression)?

______ days

Excessive fatigue?

______ days

Insomnia or problems sleeping?

______ days

CONTINUED ON NEXT PAGE




CONDITION

I CUT SHORT MY TRIP BECAUSE OF THIS/ THESE CONDITION(S)

(CHECK ALL THAT APPLY)

NUMBER OF DAYS I LOST FROM MY PLANNED TRIP INTO THE BACKCOUNTRY

Poor concentration

______ days

Social condition (e.g., problems with other backcountry users)?

______ days

Lack of physical conditioning?

______ days

Hypothermia?

______ days

Other? (specify) ___________________________________________

______ days




Q147. If you had a tick bite, please specify the location(s). Otherwise, continue to the next question. (PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)


Head Back

Neck Abdomen

Shoulder Buttocks

Arm Leg

Hand Foot

Chest

Other (specify) ______________________________________________

Don’t Know














Q148. If you had some other insect bite(s), please specify the location(s). Otherwise, continue to the next question.

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)


Head Back

Neck Abdomen

Shoulder Buttocks

Arm Leg

Hand Foot

Chest

Other (specify) ______________________________________________

Don’t Know





Q149. If you had a wound, cut, laceration, skin abrasion, or scrape, please specify the location(s). Otherwise, continue to the next question.

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)


Head Back

Neck Abdomen

Shoulder Buttocks

Arm Leg

Hand Foot

Chest

Other (specify) ______________________________________________

Don’t Know




Q150. If you had a wound infection, please specify the location(s). Otherwise, continue to the next question. (PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)


Head Back

Neck Abdomen

Shoulder Buttocks

Arm Leg

Hand Foot

Chest

Other (specify) ______________________________________________

Don’t Know



Q151. If you had a rash or skin infection, please specify the location(s). Otherwise, continue to the next question.

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)


Head Back

Neck Abdomen

Shoulder Buttocks

Arm Leg

Hand Foot

Chest

Other (specify) ______________________________________________

Don’t Know







Q152. If you had a burn, please specify the location(s). Otherwise, continue to the next question. (PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)


Head Back

Neck Abdomen

Shoulder Buttocks

Arm Leg

Hand Foot

Chest

Other (specify) ______________________________________________

Don’t Know



Q153. If you had a sunburn, please specify the location(s). Otherwise, continue to the next question. (PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)

Head Back

Neck Abdomen

Shoulder Buttocks

Arm Leg

Hand Foot

Chest

Other (specify) ______________________________________________

Don’t Know








Q154. If you had a joint pain(s) or sprain(s), please specify the location(s). Otherwise, continue to the next question.

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)



Shoulder Knee

Neck Ankle

Elbow Toe

Wrist

Finger or thumb

Hip

Other (specify) ______________________________________________

Don’t Know



Q155. If you had some other muscle cramp(s), strain(s), or pull(s), please specify the location(s). Otherwise, continue to the next question.

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)

Head Abdomen

Neck Groin

Shoulder Buttocks

Arm Leg

Hand Foot

Chest

Other (specify) _____________________________________________

Don’t Know





Q156. If you had a fracture or broken bone, please specify the location(s). Otherwise,

continue to the next question.

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)

Skull Rib

Neck Back

Clavicle Hip


Shoulder blade or shoulder Pelvis

Arm Leg

Elbow Knee

Wrist Ankle


Hand Foot


Finger or thumb Toe

Other (specify) ______________________________________________

Don’t Know


Q157. If you had a dislocated joint, please specify the location(s). Otherwise, continue to the next question. (PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)


Shoulder Knee

Elbow Ankle

Wrist Toe

Finger or thumb

Hip

Other (specify) ______________________________________________

Don’t Know





Q158. If you had another injury or wound, specify the location(s). Otherwise, continue to the next question. (PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)

Head Abdomen

Neck Buttocks

Shoulder Groin

Arm Hip

Elbow Leg

Wrist Knee


Hand Ankle


Finger or thumb Foot


Chest Toe


Back

Other (specify) ______________________________________________

Don’t Know



Q159. We would now like to ask you more questions about the diarrhea or vomiting you developed SINCE YOU ENTERED the backcountry at Yellowstone National Park (abbreviated as YELL) UNTIL NOW. IF YOU HAVE NOT HAD DIARRHEA OR VOMITING SINCE YOU ENTERED THE BACKCOUNTRY UNTIL NOW, GO TO Q.169.















DIARRHEA OR VOMITING



Q160. You indicated that you developed diarrhea after you entered the backcountry. What was the maximum number of loose bowel movements you had in any 24-hour period during this illness?


NUMBER |___|___|___| maximum number of loose bowel movements in any

24-hour period

DON’T KNOW


I HAVE NOT HAD DIARRHEA SINCE I ENTERED THE BACKCOUNTRY (GO TO Q.163)

Q161. Do you currently have diarrhea? (PLEASE CHECK ONLY ONE ANSWER)

YES (GO TO Q.163)


NO (GO TO Q.162)


DON’T KNOW (GO TO Q.163)


Q162. How many days did your diarrhea (loose bowel movements) last? By this we mean from the first day of diarrhea up to and including the last day of diarrhea. If the diarrhea stopped and started in between, do not subtract the diarrhea-free days in between the day your diarrhea started and the day it ended completely. (IF THE NUMBER OF DAYS IS LESS THAN ONE FULL DAY, PLEASE WRITE/TYPE THE NUMBER “0” [ZERO])


NUMBER |___|___|___| days before diarrhea completely ended

[DO NOT SUBTRACT DAYS IN BETWEEN WITHOUT DIARRHEA]

If you do not know the number of days, on what date did the diarrhea completely end? (IF YOU DO NOT KNOW THE EXACT DATE PLEASE ESTIMATE)

|___|___|-|___|___|-2006

M M D D


Is this date the actual or estimated date?

(PLEASE CHECK ONLY ONE ANSWER)


ACTUAL ESTIMATED






Q163. You indicated that you developed vomiting after you entered the backcountry. What was the maximum number times you vomited in any 24-hour period during this illness?


NUMBER |___|___|___| maximum number of times vomited in any

24-hour period

DON’T KNOW


I HAVE NOT VOMITTED SINCE I ENTERED THE BACKCOUNTRY UNTIL NOW (GO TO Q.166)


Q164. Are you still ill with vomiting? (PLEASE CHECK ONLY ONE ANSWER)

YES (GO TO Q.166)


NO (GO TO Q.165)


DON’T KNOW (GO TO Q.166)


Q165. How many days did your vomiting last? By this we mean from the first day of vomiting up to and including the last day of vomiting. If the vomiting stopped and started in between, do not subtract the vomiting-free days in between the day your vomiting started and the day it ended completely. (IF THE NUMBER OF DAYS IS LESS THAN ONE FULL DAY, PLEASE WRITE/TYPE THE NUMBER “0” [ZERO])



NUMBER |___|___|___| days before vomiting completely ended

[DO NOT SUBTRACT DAYS IN BETWEEN WITHOUT VOMITING]

If you do not know the number of days, on what date did the vomiting completely end? (IF YOU DO NOT KNOW THE EXACT DATE, PLEASE ESTIMATE)


date: |___|___|-|___|___|-2006

M M D D


Is this date the actual or estimated date?

(PLEASE CHECK ONLY ONE ANSWER)


ACTUAL ESTIMATED






Q166. Did you lose any weight while you had diarrhea and / or vomiting?

(PLEASE CHECK ONLY ONE ANSWER)

YES (GO TO Q.167)


NO (GO TO Q.169)


DON’T KNOW (GO TO Q. 169)


I DID NOT HAVE DIARRHEA OR VOMITING SINCE I ENTERED THE BACKCOUNTRY UNTIL NOW (GO TO Q. 169)



Q167. How much weight did you lose?

(PLEASE FILL OUT EITHER POUNDS OR KILOGRAMS)


NUMBER |___|___|___| pounds OR NUMBER |___|___|___| kilograms


DON’T KNOW



Q168. What is your usual weight?

(PLEASE FILL OUT EITHER POUNDS OR KILOGRAMS)


NUMBER |___|___|___| pounds OR NUMBER |___|___|___| kilograms


DON’T KNOW


Q169. We would now like to ask you questions about the diagnosis and treatment of any diarrhea or vomiting you developed SINCE YOU ENTERED the backcountry at YELL UNTIL NOW. IF YOU HAVE NOT HAD DIARRHEA OR VOMITING SINCE YOU ENTERED THE BACKCOUNTRY UNTIL NOW, GO TO

Q. 180.


DIAGNOSIS AND TREATMENT OF DIARRHEA OR VOMITING


Q170. After you left the backcountry at Yellowstone National Park (abbreviated as YELL), did you consult a healthcare provider about any diarrhea or vomiting? (PLEASE CHECK ONLY ONE ANSWER)

YES (GO TO Q.171)


NO (GO TO Q.180)


DON’T KNOW (GO TO Q. 180)


Q171. Did you consult a healthcare provider over the phone?

(PLEASE CHECK ONLY ONE ANSWER)

YES


NO


DON’T KNOW


Q172. Did you visit a healthcare provider?

(PLEASE CHECK ONLY ONE ANSWER)

YES (GO TO Q.173)


NO (GO TO Q.174)


DON’T KNOW (GO TO Q.174)


Q173. How many times did you visit a healthcare provider (in total) for diarrhea or vomiting?


|___|___|___| times Don’t Know

Q174. Did you visit an Emergency Room because of diarrhea or vomiting?

(PLEASE CHECK ONLY ONE ANSWER)

YES (GO TO Q.175)


NO (GO TO Q.176)


DON’T KNOW (GO TO Q.176)


Q175. How many times did you visit the Emergency Room (in total) for diarrhea or vomiting?


|___|___|___| times Don’t Know

Q176. Were you admitted to the hospital because of diarrhea or vomiting?

(PLEASE CHECK ONLY ONE ANSWER)

YES (GO TO Q.177)


NO (GO TO Q.178)


DON’T KNOW (GO TO Q.178)


Q177. How many days (in total) were you hospitalized for diarrhea or vomiting? (IF YOU WERE HOSPITALIZED FOR LESS THAN ONE FULL DAY, PLEASE WRITE/TYPE THE NUMBER “0” [ZERO])

|___|___|___| days Don’t Know


Q178. At any time after you left the backcountry were you given intravenous fluids for diarrhea or vomiting? (PLEASE CHECK ONLY ONE ANSWER)

YES


NO


DON’T KNOW


Q179. Once your diarrhea or vomiting began, how long were you ill before you first consulted a healthcare provider (either by phone or in person)?

(IF YOU DO NOT KNOW THE EXACT LENGTH OF TIME, PLEASE ESTIMATE)


|___|___|___| days / weeks / months (CIRCLE THE APPROPRIATE LENGTH OF TIME)


DON’T KNOW


Is this the actual or estimated length of time?

(PLEASE CHECK ONLY ONE ANSWER)


ACTUAL ESTIMATED


Q180. We would now like to ask you questions about any diarrhea or vomiting among the other members of the group you traveled with into the backcountry in YELL. Your group is defined as all the people listed on your backcountry permit. IF NONE OF YOUR GROUP MEMBERS HAD DIARRHEA OR VOMITING WHEN THEY ENTERED THE BACKCOUNTRY AND IF NONE HAVE HAD DIARRHEA OR VOMITING SINCE THEY ENTERED THE BACKCOUNTRY UNTIL NOW, GO TO Q.203.


DIARRHEA OR VOMITING IN GROUP MEMBERS



Q181. When you first entered the backcountry at Yellowstone National Park (abbreviated as YELL), did any member(s) of your group (NOT INCLUDING YOURSELF) have diarrhea or vomiting? (PLEASE CHECK ONLY ONE ANSWER)

YES (GO TO Q.182)


NO (GO TO Q. 185)


DON’T KNOW (GO TO Q. 185)

Q182. How many group members had diarrhea or vomiting when they first entered the backcountry, NOT INCLUDING YOURSELF?


|___|___|___| persons Don’t Know

Q183. Were any of these ill group members younger than 18 years of age?

(PLEASE CHECK ONLY ONE ANSWER)

YES (GO TO Q.184)


NO (GO TO Q.185)


DON’T KNOW (GO TO Q. 185)



Q184. How many of these ill group members were younger than 18 years of age?


|___|___|___| persons Don’t Know


Q185. Since entering the backcountry at YELL until now, did any member of your group (NOT INCLUDING YOURSELF) develop diarrhea or vomiting that he/she did not have when he/she first entered the backcountry?

(PLEASE CHECK ONLY ONE ANSWER)

YES (GO TO Q.186)


NO (GO TO Q.190)


DON’T KNOW (GO TO Q.190)



Q186. Since entering the backcountry until now, how many group members have had diarrhea or vomiting, NOT INCLUDING YOURSELF?

|___|___|___| persons Don’t Know

Q187. Were any of these ill group members younger than 18 years of age?

(PLEASE CHECK ONLY ONE ANSWER)

YES (GO TO Q.188)


NO (GO TO Q.189)


DON’T KNOW (GO TO Q.189)

Q188. How many of these ill group members were younger than 18 years of age?

|___|___|___| persons Don’t Know


Q189. If you were ill with diarrhea or vomiting when you entered the backcountry or if you became ill with diarrhea or vomiting since entering the backcountry until now, please answer the following question. If not, please go to Q203.


For each ill group member, please indicate whether these group members became ill before, at the same time, or after you became ill with vomiting or diarrhea.


GROUP MEMBER


BEFORE

AT THE SAME TIME

AFTER

DON’T KNOW

Group member #1

Group member #2

Group member #3

Group member #4

Group member #5

Group member #6

Group member #7

Group member #8

Group member #9

Group member #10



Q190. You indicated you had diarrhea or vomiting while you were in the backcountry at YELL. After you became ill, did you treat drinking water that others drank? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW



Q191. After you became ill, did you wash, prepare, or cook food that others ate or tasted? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW



Q192. After you became ill, did you wash or dry cooking utensils, cutlery, or dishes (e.g., pots, pans, knives, forks, spoons, plates, bowls, glasses, cups, mugs) that others ate or cooked with? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW



Q193. After you became ill, did you share cutlery and dishes with other people in the backcountry (e.g., knives, forks, spoons, plates, bowls, glasses, cups, mugs)?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW





Q194. After you became ill, did you share food or a meal out of the same container or off the same plate with other people in the backcountry where everyone put their utensils into the same food?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW



Q195. After you became ill, did you share food or a meal out of the same container or off the same plate with other people in the backcountry where everyone put their hands into the same food?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW

















Q196. If A MEMBER OR members of your group were ill with diarrhea or vomiting when he / she / they entered the backcountry or if he / she / they became ill with diarrhea or vomiting since entering the backcountry until now, please answer the following question. If not, please go to Q203.


After he / she / they became ill, did he / she / they treat drinking water that others drank? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW


Q197. After he / she / they became ill, did he / she / they treat drinking water that you drank? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW


Q198. After he / she / they became ill, did he / she / they wash, prepare, or cook food that others ate or tasted (including yourself)?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW


Q199. After he / she / they became ill, did he / she / they wash or dry cooking utensils, cutlery, or dishes (e.g., pots, pans, knives, forks, spoons, plates, bowls, glasses, cups, mugs) that others ate or cooked with (including yourself)? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW



Q200. After he / she / they became ill, did he / she / they share cutlery and dishes with other people in the backcountry (including yourself) (e.g., knives, forks, spoons, plates, bowls, glasses, cups, mugs)?

(PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW



Q201. After he / she / they became ill, did he / she / they share food or a meal out of the same container or off the same plate with other people in the backcountry (including yourself) where everyone put their utensils into the same food? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW

Q202. After he / she / they became ill, did he / she / they share food or a meal out of the same container or off the same plate with other people in the backcountry (including yourself) where everyone put their hands into the same food? (PLEASE CHECK ONLY ONE ANSWER)

ALWAYS

USUALLY

SOMETIMES

NEVER

DON’T KNOW




Q203. Lastly, we would like to ask you some basic questions about yourself. Some of these questions are of a sensitive nature. You may refuse to answer any question at any time.



DEMOGRAPHICS



Q204. Have you ever been told by a physician that you have any of the following illnesses or have you ever had any of the following medical procedures?

(PLEASE CHECK ONE ANSWER FOR EVERY MEDICAL CONDITION)


CONDITION

YES

NO

DON’T KNOW

Chronic diarrhea?

Crohn’s disease?

Irritable bowel disease?

Colitis or ulcerative colitis?

Surgery to remove part of the stomach or intestine?




Immunosuppression (e.g., cancer currently treated with chemotherapy or radiation, lupus or systemic lupus erythematosus, HIV or AIDS, organ transplant taking immunosuppressant drugs)





Q205. What is your sex? (PLEASE CHECK ONLY ONE ANSWER)

MALE

FEMALE



Q206. What is your age? (PLEASE CHECK ONLY ONE ANSWER)


18 to 24 years of age


25 to 34 years of age


35 to 44 years of age


45 to 54 years of age


55 to 64 years of age


65 to 74 years of age


Older than 74 years of age


Don’t Know



Q207. Do you consider yourself to be Hispanic or Latino?

(PLEASE CHECK ONLY ONE ANSWER)

YES


NO


DON’T KNOW














Q208. What race or races do you consider yourself part of?

(PLEASE CHECK ALL THAT APPLY)


White

Black or African American

American Indian or Alaska Native

Asian


Native Hawaiian or other Pacific Islander


Don’t Know



Q209. What is the highest level of formal schooling you have completed or the highest degree you have received? (PLEASE CHECK ONLY ONE ANSWER)


Less than 1st grade


1st through 8th grade


9th through 12th grade (No Diploma)


High school graduate: high school diploma or equivalent (GED)


Some college but no degree


Associate degree in college (AA, AS)


Bachelor’s degree (e.g., BA, BS) (delete “AB”)


Master’s degree (e.g., MA, MS, MEng, MSW, MBA)


Doctorate degree (e.g., MD, DVM, PhD, JD)



Technical degree


Other (specify) ___________________________________________________


Don’t Know








Q210. Which one of the following places best describes where you live for the majority of the year? (PLEASE CHECK ONLY ONE ANSWER)


City or urban area


Suburban area


Town or village


Rural area but not a farm


Farm


Other (specify) ___________________________________________________


Don’t Know


Q211. What category best describes your total household income before taxes?

(PLEASE CHECK ONLY ONE ANSWER)


Less than $10,000


$10,000 to less than $20,000


$20,000 to less than $40,000


$40,000 to less than $60,000


$60,000 to less than $80,000


$80,000 to less than 100,000


$100,000 to less than $150,000


$150,000 or more


Other (specify) ___________________________________________________


Don’t Know







Q212. What category best describes your primary employment type?

(PLEASE CHECK ONLY ONE ANSWER)


White collar (e.g., non-manual work generally performed at a desk, such as professionals [doctors, lawyers] and employees in administrative or clerical positions)


Blue collar (e.g., manual, unskilled or semiskilled labor, such as in a factory or maintenance trades)


Sales/Service


Farming


Student


Retired


Unemployed


Other (specify) ___________________________________________________


Don’t Know



Q213. Including this trip, how many times in your life have you been on a backcountry trip that required an overnight stay in the backcountry?


Number of Trips (PLEASE CHECK ONLY ONE ANSWER)


None

1 to 3 trips


4 to 6 trips


7 to 9 trips


10 to 19 trips


20 or more trips

Don’t Know



Q214. Including this trip, what are the durations of the overnight backcountry trips that you have experienced? (Mark – you have this question as a single answer – it should be a multiple answer question)


Trip Duration (PLEASE CHECK ALL THAT APPLY)


No overnight backpacking trips

Trips lasting less than 3 days


Trips lasting from 3 days to less than 1 week


Trips lasting 1-2 weeks


Trips lasing for more than 2 weeks

Don’t Know


Q215. Between May 1, 2006 and October 31, 2006, how many separate times have you obtained a permit and traveled into the backcountry at YELL?


|___|___|___| (enter a number between 1 and 180)



Q216. Have you or will you work or volunteer in YELL between May 1, 2006 and Oct. 31, 2006? (PLEASE CHECK ONLY ONE ANSWER)

YES (GO TO Q.217)


NO (GO TO Q.218)


DON’T KNOW (GO TO Q.218)



Q217. What was / is / will be your job description?

(PLEASE CHECK ALL THAT APPLY ON THE FOLLOWING LIST)

Volunteer


National Park Service employee

Concessionaire

Other (specify) ______________________________________________


Don’t Know


Q218. Under whose name was your backcountry permit issued?


First name: _________________________________________________

Last name: _________________________________________________


DON’T KNOW



Q219. On what date did you complete this questionnaire?


|___|___|-|___|___|-2008

M M D D


DON’T KNOW



This concludes our survey. The National Park Service and the Centers for Disease Control and Prevention would like to thank you very much for your time, patience, and cooperation in answering our questions.


Do you have any comments about the survey? Please let us know:












Further information about the study and about travel-related illness and injury is available on the following websites:


Centers for Disease Control and Prevention

Yellowstone National Park Backcountry Survey

https://www2a.ncid.cdc.gov/backcountry/backcontry.htm



National Park Service

Sequoia & Kings Canyon National Parks Backcountry Survey

http://www.nps.gov/public_health/inter/backcountry/seki_bc_survey.htm



If you have any questions about this study or your rights as a participant please call:


Centers for Disease Control and Prevention

Study questions: Please call Dr. Sharon Roy at 770-488-4412

Rights of participants: Please call CDC’s Deputy Associate Director for Science at 1-800-584-8814 and leave a message including your name and phone number. Say you are calling about the Division of Parasitic Diseases’ web-based survey of Yellowstone National Park Backcountry Users (protocol #4583). Someone will call you back as soon as possible.


National Park Service

Study questions: Please call Lieutenant Commander David Wong at

202-513-7160 or Captain Charles Higgins at 202-513-7217




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