Occupational differentials in chronic disability.
D000328:Adult; D000367:Age Factors; D000382:Agricultural Workers' Diseases / Q000453:epidemiology; D002318:Cardiovascular Diseases / Q000453:epidemiology; D003710:Demography; D003920:Diabetes Mellitus / Q000453:epidemiology; D005767:Gastrointestinal Diseases / Q000453:epidemiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009017:Morbidity; D009369:Neoplasms / Q000453:epidemiology; D009422:Nervous System Diseases / Q000453:epidemiology; D009784:Occupational Diseases / Q000453:epidemiology*; D009790:Occupations; D012140:Respiratory Tract Diseases / Q000453:epidemiology; D012189:Retrospective Studies; D012494:Sampling Studies; D012959:Socioeconomic Factors; D014481:United States; D014786:Vision Disorders / Q000453:epidemiology