Measurement of physical health in a general population survey.
D000328:Adult; D000367:Age Factors; D000368:Aged; D002140:California; D002908:Chronic Disease; D006233:Persons with Disabilities; D004522:Educational Status; D004526:Efficiency; D005006:Ethnicity; D005191:Family Characteristics; D005221:Fatigue; D005260:Female; D006306:Health Surveys; D006801:Humans; D007182:Income; D008297:Male; D008722:Methods; D008875:Middle Aged; D009790:Occupations; D010809:Physical Fitness; D012494:Sampling Studies