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Women's Health Initiative
Limited Access Data Release


Observational Study Baseline Data File Descriptions

Data File (pdf) Types of Variables in File Related Forms (pdf)
Demographics and Study Membership Age; ethnicity; region; education; income; hysterectomy status Form 2, Form 20
Form 2 - Eligibility Screening 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 2
Form 20 - Personal Information 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 20
Form 30 - Medical History 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 30
Form 31 - Reproductive History 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 31
Form 32 - Family History 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 32
Form 34 - Personal Habits Coffee consumption; smoking history; alcohol history; weight change; special diets; history of physical activity and exercise Form 34
Form 37 - Thoughts and Feelings 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 37
Form 42 - OS Questionnaire 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; occupational history; height and weight history, weight change; state of residence history Form 42
Form 43 - Hormone Use Summary and computed values for current and past hormone replacement; history of oral contraceptive use Form 43
Form 45a - Average Daily Nutrients from Supplements Computed values for nutrient amounts from supplement use, e.g. vitamin C, calcium, iron Form 45
Form 45b - Types of Supplements Summary variables for type of supplement use, e.g. multivitamin with mineral, stress formula, vitamin C, iron Form 45
Form 60a - Energy, Macronutrients, Cholesterol, Caffeine, Fiber, Fruits, Vegetables, Grains Computed values for energy, macronutrients, cholesterol, caffeine, fiber, fruits, vegetables, grains Form 60
Form 60b - Vitamins, Minerals and Carotenoids Computed values for vitamins, minerals and carotenoids Form 60
Form 60c - Individual Starches, Sugars and Amino Acids, Oxalic and Phytic Acid, Ash Computed values for starches, sugars and amino acids, oxalic and phytic acid, ash Form 60
Form 60d - Individual Fatty Acids Computed values for individual fatty acids Form 60
Form 80 - Physical Measurements Blood pressure; resting pulse; height, weight, waist and hip circumference; BMI Form 80
Bone Densitometry Results Bone density measurements for hip, spine, and whole body  
Complete Blood Count (CBC) Results Hematocrit, hemogoblin, platelet count, white blood cell