Estimation of habitual physical activity by questionnaire and interview.
D000293:Adolescent; D000328:Adult; D000368:Aged; D004463:Ecology; D004812:Epidemiologic Methods; D005069:Evaluation Studies as Topic; D006306:Health Surveys; D006801:Humans; D007899:Leisure Activities; D008297:Male; D008660:Metabolism; D008824:Michigan; D008875:Middle Aged; D009790:Occupations; D005082:Physical Exertion; D011795:Surveys and Questionnaires; D014937:Work