| Sumario: | The basic 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. This file contains approximately 90 variables from the core file (see NATIONAL HEALTH INTERVIEW SURVEY, 1990 [ICPSR 9839]), including sex, age, race, marital status, veteran status, education, income, industry and occupation codes, and limits on activity. Variables unique to this supplement cover present diet, height, weight, weight loss methods, amount of sleep obtained, the type of regular source of medical care obtained, mammography, knowledge about radon exposure, knowledge about cardiovascular disease, exercise, high blood pressure, stress, sports, physical work done on the job and in daily activity, smoking, alcohol opinions and usage, and dental care.
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