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Women's Health Initiative
Observational Study Limited Access Data Release


Observational Study Data Files

Data File Frequencies (PDF) Types of Variables in File
Demographics and Study Membership PDF Age; ethnicity; region; education; income; hysterectomy status
Form 2 - Eligibility Screening PDF Age; residing in area for next three years; current involvement in other research studies; history of cancer; ethnicity; hormone use; osteoporosis-related fracture and hormone use as treatment; hysterectomy history; last menstrual bleeding; number of meals prepared away from home; special diets; history of diabetes, deep vein thrombosis, pulmonary embolus, stroke, transient ischemic attack, myocardial infarction; history of sickle cell anemia, heart failure, liver disease, bleeding problem; loss of 15 pounds in last six months; renal failure requiring hemodialysis; other chronic illness; emotional or mental problems; ability to get to clinical center; interest in DM; interest in HRT (willingness to stop current hormone medications)
Form 20 - Personal Information PDF Education; employment status; occupation; marital status; partner’s education, employment status, occupation; total family income; medical care provider; history of mammogram, pelvic exam, endometrial aspiration; insurance coverage
Form 30 - Medical History PDF Hospitalization history; history of medical conditions; history of heart, circulatory, or coagulation problems; history of arthritis, gallbladder disease, thyroid disease, hypertension, angina, peripheral arterial disease and related procedures, colonoscopy or sigmoidoscopy, stool guaiac; history of cancers; recent history of falls or syncopal episodes; history of fractures
Form 31 - Reproductive History PDF Age at menarche; history of menstrual irregularity and amenorrhea; history of menopausal symptoms; history of pregnancy, pregnancy outcomes, infertility; history of breast feeding; history of gynecologic and breast surgeries
Form 32 - Family History PDF Number of full-blooded sisters and brothers, daughters, and sons; parental age or date of death; relatives' history of' diabetes, myocardial infarction, stroke, cancers; fractures in parents
Form 33 - Medical History Update PDF Fainting; number of falls; exams, tests and procedures
Form 34 - Personal Habits PDF Coffee consumption; smoking history; alcohol history; weight change; special diets; history of physical activity and exercise
Form 37 - Thoughts and Feelings PDF Social support; social integration; care giving; social strain; optimism; negative emotional expressiveness; hostility; quality of life; symptoms; life events; depression; sleep disturbance; urinary incontinence; sexual functioning
Form 38 - Daily Life PDF Quality of life; activity; symptoms; life events; depression; sleep disturbance; urinary incontinence; sexual functioning
Form 42 - OS Baseline Questionnaire PDF Birth weight, birth status, breast feeding at birth; coffee/tea consumption; alcohol history; smoking history; history of breast examination, history of benign breast disease, recent history of mammogram; history of the use of powders in genital area or on sanitary napkins; history of diaphragm; history electric blanket use; religious affiliation; recent history of physical activity and exercise (frequency, duration); occupational history; height and weight history, weight change; state of residence history.
Form 43 - Hormone Use PDF Summary and computed values for current and past hormone replacement; history of oral contraceptive use
Form 44 - Current Medications PDF,
Reference PDFs: meds, ingredients, classes
Medication use, duration, and medication therapeutic class
Form 45 - Current Supplements PDF Computed values for nutrient amounts from supplement use, e.g. vitamin C, calcium, iron. Summary variables for type of supplement use, e.g. multivitamin with mineral, stress formula, vitamin C, iron.
Form 48 - OS Year 1 Questionnaire PDF Current weight, recent weight change; current food and beverage consumption at meal or snack times, recent use of fats or oils, recent wine consumption; current smoking habits; recent history of hormone replacement; history of insecticide exposure; history of living with pets; history of computer use (frequency, duration); history of hand-held hair dryer use (frequency, duration).
Form 60a - Energy, Macronutrients, Cholesterol, Caffeine, Fiber, Fruits, Vegetables, Glycemic Load PDF Computed values for energy, macronutrients, cholesterol, caffeine, fiber, fruits, vegetables, glycemic load
Form 60b - Vitamins, Minerals and Carotenoids PDF Computed values for vitamins, minerals and carotenoids
Form 60c - Individual Starches, Sugars and Amino Acids, Oxalic and Phytic Acid, Ash PDF Computed values for starches, sugars and amino acids, oxalic and phytic acid, ash
Form 60d - Individual Fatty Acids and Isoflavones PDF Computed values for individual fatty acids and isoflavones
Form 80 - Physical Measurements PDF Blood pressure; resting pulse; height, weight, waist and hip circumference; BMI
Form 143 - OS Year 3 Questionnaire PDF Recent weight change, figure (weight) identification; current physical activity and exercise (frequency, duration);\ past strenuous physical activity (frequency); recent use of fats or oils; recent alcohol consumption, change in alcohol consumption habits; recent coffee/tea/water/diet drinks consumption; current smoking, current smoking exposure; current employment status, current marital status, partner’s current employment status ; total family income; existence and recent use of usual medical care provider, change in usual medical provider; choice options in current health insurance coverage, type(s) of current health insurance coverage and payment mechanism; recent use of hormone replacement therapy; diagnoses of new medical conditions.
Form 144 - OS Year 4 Questionnaire PDF Current weight, recent weight change; current physical activity and exercise (frequency, duration); exposure and sensitivity to sunlight; current smoking; past and present use of artificial sweeteners; recent use of hormone replacement therapy; diagnoses of new medical conditions; current marital status.
Form 145 - OS Year 5 Questionnaire PDF Current weight, recent weight change, current physical activity and exercise (frequency, duration); current smoking; video; video display terminal exposure; recent emotions; frequency religious practices; recent use of alternative medical treatments; current dental health, frequency of professional dental care; recent use of hormone replacement therapy; diagnoses of new medical conditions; current marital status.
Form 146 - OS Year 6 Questionnaire PDF Current weight, recent weight change, current physical activity and exercise (frequency, duration); current activities; coffee, tea, soft drink, alcohol consumption; current smoking; smoking exposure; existence and recent use of medical care provider, status and types of health insurance; use of natural hormones; use of osteoporosis prescription medicaitons; recent use of hormone replacement therapy; diagnoses of new medical conditions; current employment status; current marital status; family finances.
Form 147 - OS Year 7 Questionnaire PDF Current weight; recent weight change; current physical activity and exercise (frequency, duration); use of weight loss medications; recent use of hormone replacement therapy; diagnoses of new medical conditions; life events; parents birthplace; current marital status.
Form 148 - OS Year 8 Questionnaire PDF Current weight; recent weight change; current physical activity and exercise (frequency, duration); current smoking status; use of weight loss medications; coffee, tea, soft drink consumption; recent use SERMS, recent use of hormone replacement therapy; diagnoses of new medical conditions; family history of senile dementia.
Form 149 - Supplement to OS Follow-Up Questionnaire PDF Care giving responsibilities; life events; breast cancer; use of weight loss medications; parents' birthplace.
Bone Densitometry (BMD) Hip Scan PDF Bone density measurements for the hip
Bone Densitometry (BMD) Spine Scan PDF Bone density measurements for the spine
Bone Densitometry (BMD) Whole Body Scan PDF Bone density measurements for the whole body
Complete Blood Count (CBC) Results PDF Hematocrit, hemogoblin, platelet count, white blood cell
Outcomes - OS Self-Reported PDF Self-reported outcomes for OS
Outcomes - OS Adjudicated PDF Adjudicated outcomes for OS