Career and leisure patterns of middle-aged urban blacks.
D001741:Black or African American; D000368:Aged; D000375:Aging; D001294:Attitude to Health; D005191:Family Characteristics; D005260:Female; D006801:Humans; D007899:Leisure Activities; D008297:Male; D008875:Middle Aged; D008923:Missouri; D009790:Occupations; D012937:Social Mobility; D014505:Urban Population; D014937:Work