Socioeconomic status, migration, and morbidity.
D000328:Adult; D004522:Educational Status; D006801:Humans; D008297:Male; D008875:Middle Aged; D009017:Morbidity; D011157:Population Dynamics; D012424:Rural Population; D012923:Social Class; D012959:Socioeconomic Factors; D014481:United States; D014505:Urban Population