Effects of social epidemiological factors on the severity of disability for white and nonwhite disabled.
D000328:Adult; D000367:Age Factors; D006233:Persons with Disabilities; D004522:Educational Status; D004777:Environment; D005006:Ethnicity; D006801:Humans; D008297:Male; D008875:Middle Aged; D009790:Occupations; D012111:Residence Characteristics; D013997:Time Factors