Current estimates from the National Health Interview Survey: United States, 1979.
D000203:Activities of Daily Living; D000208:Acute Disease / Q000453:epidemiology*; D000293:Adolescent; D000328:Adult; D000368:Aged; D002908:Chronic Disease / Q000453:epidemiology*; D005260:Female; D006296:Health Services / Q000706:statistics & numerical data*; D006306:Health Surveys; D006801:Humans; D008297:Male; D008875:Middle Aged; D012621:Seasons; D011795:Surveys and Questionnaires; D014481:United States