The assessment of physical activity by questionnaire.
D000293:Adolescent; D000328:Adult; D000368:Aged; D004812:Epidemiologic Methods; D005260:Female; D006331:Heart Diseases / Q000517:prevention & control; D006801:Humans; D008297:Male; D011939:Mental Recall; D008875:Middle Aged; D005082:Physical Exertion; D012306:Risk; D011795:Surveys and Questionnaires