| File Name | Data as of | Population | Data collected | One row per | Rows |
|---|---|---|---|---|---|
| F161_ctos_inv.dat | 5/10/2026 | CT+OS | Ext2 | 26,055 |
ID - WHI Participant Common ID Col 1
F161VTYP - Visit Type Col 2
F161VY - Visit Year Col 3
F161X2VY - Extension 2 visit year Col 4 Extension 2 visit year for which this form was collected.
F161VCLO - Closest to visit within visit type and year Col 5 For forms entered with the same visit type and year, indicates the one closest to that visit's target date. Valid for forms entered with an annual visit type. Usage Notes: See data preparation document.
F161DAYS - F161 Days since randomization Col 6
F161CONT - Contact type Col 7 The method used to collect the data.
WALK - Times walk for > 10 min Col 8 Think about the walking you do outside the home. How often do you walk outside the home for more than 10 minutes without stopping? (Mark only one.)
WALKMIN - Duration of walks when >10 min Col 9 When you walk outside the home for more than 10 minutes without stopping, for how many minutes do you usually walk? Usage Notes: Sub-question of F161 V1 Q1 " Times walk for > 10 min" (skip pattern rule not applied).
WALKSPD - Walking speed when walking for >10 min Col 10 When you walk outside the home for more than 10 minutes without stopping, what is your usual speed? Usage Notes: Sub-question of F161 V1 Q1 " Times walk for > 10 min" (skip pattern rule not applied).
SITTING - Number of hours spent sitting Col 11 During a usual day and night, about how many hours do you spend sitting? Be sure to include the time you spend sitting at work, sitting at the table eating, driving or riding in a car or bus, and sitting up watching TV or talking.
HOMETYPE - Type of home where currently living Col 12 Which of the following best describes the home where you are currently living?
HOMEGAS - Natural gas used for cooking Col 13 In the home where you are currently living, natural gas is used most for cooking
WELLWATER - Water comes from a well Col 14 In the home where you are currently living, most of the water comes from a well
RADONTEST - Air tested for radon Col 15 In the home where you are currently living, the air has been tested for radon
RADONLVL - Radon level ever high Col 16 Was the radon level ever high enough for you or someone else to do anything to lower it?
DIETHLTH - Health of overall diet Col 17 In general, how healthy is your overall diet? Would you say:
MEALS - Number of full meals each day Col 18 How many full meals do you eat each day?
BEVERAGES - Amount of beverages each day Col 19 I drink the following amount of beverages (water, tea, coffee, Boost, Ensure, juice, regular or diet soda, and other drinks) each day:
EATALONE - Eat alone most of the time Col 20 I eat alone most of the time.
EATPROB - Mouth problems make it hard to eat Col 21 I have tooth or mouth problems that make it hard for me to eat.
SWALLOW - Swallowing problems make it hard to eat Col 22 I have problems with swallowing that make it hard for me to eat.
EATSMELL - Difficulty smelling food Col 23 I have difficulty smelling odors, including smelling my food.
EATTASTE - Difficulty tasting food Col 24 I have difficulty tasting flavors, including tasting my food.
NOMONEYFOOD - Not enough money for food Col 25 I don’t always have enough money to buy the food I need.
EATPLEAS - Take pleasure in food Col 26 I take pleasure in my food and eating.
EATWITH - Enjoy eating with others Col 27 I enjoy eating with others.
HEARNODEV - Hearing without hearing aid Col 28 Which statement best describes your hearing without a hearing aid, personal sound amplifier, or other listening devices?
HEARDEV - Wear a hearing aid Col 29 Do you regularly wear a hearing aid or other listening device?
HEARWDEV - Hearing with listening device Col 30 Which statement best describes your hearing with your listening device?
EYESIGHT - Eyesight with glasses Col 31 At the present time, would you say that your eyesight, with glasses or contacts if you wear them, is:
LACKCMPSHP - How often feel lack of companionship Col 32 The next questions ask about companionship. How often do you feel that you lack companionship?
LEFTOUT - How often feel left out Col 33 The next questions ask about companionship. How often do you feel left out?
ISOLATED - How often feel isolated Col 34 The next questions ask about companionship. How often do you feel isolated from others?
FELTDEP - You felt depressed Col 35 These questions ask about your feelings during the past week. For each of the statements, please indicate the choice that tells how often you felt that way. You felt depressed (blue or down)
RESTSLP - Your sleep was restless Col 36 These questions ask about your feelings during the past week. For each of the statements, please indicate the choice that tells how often you felt that way. Your sleep was restless
ENJLIF - You enjoyed life Col 37 These questions ask about your feelings during the past week. For each of the statements, please indicate the choice that tells how often you felt that way. You enjoyed life
CRYSPELL - You had crying spells Col 38 These questions ask about your feelings during the past week. For each of the statements, please indicate the choice that tells how often you felt that way. You had crying spells
FELTSAD - You felt sad Col 39 These questions ask about your feelings during the past week. For each of the statements, please indicate the choice that tells how often you felt that way. You felt sad
PEOPDIS - You felt people disliked you Col 40 These questions ask about your feelings during the past week. For each of the statements, please indicate the choice that tells how often you felt that way. You felt that people disliked you
SAD2WK - Felt sad for two weeks or more Col 41 In the past year, have you had 2 weeks or more during which you felt sad, blue, or depressed, or lost pleasure in things that you usually cared about or enjoyed?
SAD2YRS - Felt sad for two or more years Col 42 Have you had 2 years or more in your life when you felt depressed or sad on most days, even if you felt okay sometimes?
SADMUCH - Felt sad much of past year Col 43 Have you felt depressed or sad much of the time in the past year? Usage Notes: Sub-question of F161 Q28 "Have you had 2 years or more in your life when you felt depressed or sad most days, even if you felt okay sometimes?"
MEDSCHOL - Taken medication past 4 weeks high cholesterol Col 44 Have you taken medication during the past four weeks for: High cholesterol, e.g. statins?
MEDSHBP - Taken medication past 4 weeks high blood pressure Col 45 Have you taken medication during the past four weeks for: High blood pressure?
MEDSDIAB - Taken medication past 4 weeks high blood sugar Col 46 Have you taken medication during the past four weeks for: High blood sugar?
MEDSBLD - Taken medication past 4 weeks blood thinning Col 47 Have you taken medication during the past four weeks for: Blood thinning?
MEDSSLP - Taken medication past 4 weeks trouble sleeping Col 48 Have you taken medication during the past four weeks for: Trouble sleeping?
MEDSPAIN - Taken medication past 4 weeks pain management Col 49 Have you taken medication during the past four weeks for: Pain management?
CALCIUM - Take calcium Col 50 Do you currently take any of the following regularly? Calcium
VITAMIND - Take vitamin D Col 51 Do you currently take any of the following regularly? Vitamin D
MULTIVIT - Take multivitamin Col 52 Do you currently take any of the following regularly? Multivitamin
WALKEXP - MET-hours per week from walking Col 53 Expenditure of energy from physical activity from walking in kcal/week/kg (MET-hours per week).
AVWKEXP - Energy expend from average walking (MET-hours/week) Col 54 Energy expenditure from average walking (2-3 mph) in MET-hours per week.
VFWKEXP - Energy expend from walking very fast (MET-hours/week) Col 55 Energy expenditure form walking very fast (> 4 mph) in MET-hours per week.
FFWKEXP - Energy expend from walking fairly fast (MET-hours/week) Col 56 Energy expenditure form walking fairly fast (3-4 mph) in MET-hours per week.
PSHTDEP - Shortened CES-D/DIS Screening Instrument Col 57 Computed from Form 161, questions 21-28 and 28.1. Source: Center for Epidemiological Studies; depression scale (CES-D, short form). PSHTDEP ranges from 0 to 1 with a higher score indicating a greater likelihood of depression. A cutoff value of .06 can be used to identify women experiencing symptoms consistent with clinical depression.
LONELINESS - Loneliness construct, UCLA 3-item Col 58 Usage Notes: Computed from Form 161, questions 20.1-20.3. Source: A Short Scale for Measuring Loneliness in Large Surveys: Results From Two Population-Based Studies (Hughes, 2004). Three-item scale measuring three dimensions of loneliness: relational connectedness, social connectedness, and self-perceived isolation. Responses to the three items are summed. The score ranges from 3 to 9, where a higher score indicates greater loneliness. Scores of 3-5 suggest no or low loneliness, while scores of 6-9 suggest a higher degree of loneliness.
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See Psychosocial/Behavioral constructs for information about how the computed variables are constructed for main study forms 37 and 38, and follow-up forms 151, 151A, 151B, 155, 157, 158, 159, 160, 160P, 161, 190, and 191.