10.3886/ICPSR09798.v3 United States Department of Health and Human Services. Centers for Disease Control and Prevention. National Center for Health Statistics Inter-university Consortium for Political and Social Research 1992 chronic disabilities chronic illnesses disabilities employment history health health care health care services health insurance health policy health problems illness income 1992-10-31 2010-11-29 clinical data; survey data 9798 3 The purpose of the National Health Interview Survey (NHIS) is to obtain information about the amount and distribution of illness, its effects in terms of disability and chronic impairments, and the kinds of health services people receive. The Currently Employed Supplement File provides variables from the core Person File (see HEALTH INTERVIEW SURVEY, 1974 [ICPSR 8339]) including sex, age, race, marital status, veteran status, education, income, industry and occupation codes, and limits on activity. The variables unique to this Currently Employed Supplement (Part 1) include items on employment history, health insurance coverage, time away from work due to illness, days worked in a week, hours worked in a week, income earned per week, income lost per week due to illness, and reimbursement for time away from work.