National Health Interview Survey, 1974: Hypertension Supplement

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. Provided with this Hypertension Supplement are variables from the 1974 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 the Hypertension Supplement File (Part 1) include items on blood pressure history, weight control issues, doctor visits, salt use, medicines prescribed and/or used, side effects of medicine, number of
bed days in the last year, whether the respondent's condition was
covered by insurance, the last time the respondent had an
electrocardiogram, chest x-ray, or diabetes check, and smoking, stroke,
and cardiac histories.