Activity patterns in the community.
D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006306:Health Surveys; D006801:Humans; D008297:Male; D008875:Middle Aged; D009747:Nutritional Physiological Phenomena; D009790:Occupations; D005082:Physical Exertion; D011634:Public Health; D012723:Sex; D012924:Social Conditions; D013177:Sports; D014481:United States