National Health Interview Survey, 1974: Hypertension Supplement (ICPSR 9796)
Published: Nov 29, 2010
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.
In preparing the data tape(s) for this collection, the National Center for Health Statistics (NCHS) has removed direct identifiers and characteristics that might lead to identification of data subjects. As an additional precaution, NCHS requires, under section 308(d) of the Public Health Service Act (42 U.S.C. 242m), that data collected by NCHS not be used for any purpose other than for statistical analysis and reporting. NCHS further requires that analysts not use the data to learn the identity of any persons or establishments and that the director of NCHS be notified if any identities are inadvertently discovered. ICPSR member institutions and other users ordering data from ICPSR are expected to adhere to these restrictions.
Date of Collection
Data Collection Notes
These data files contain weights, which must be used in any analysis.
Per agreement with the National Center for Health Statistics (NCHS), ICPSR distributes the data file(s) and technical documentation in this collection in their original form as prepared by NCHS.
Original Release Date
1992-10-31 ICPSR data undergo a confidentiality review and are altered when necessary to limit the risk of disclosure. ICPSR also routinely creates ready-to-go data files along with setups in the major statistical software formats as well as standard codebooks to accompany the data. In addition to these procedures, ICPSR performed the following processing steps for this data collection:
- Created online analysis version with question text.
2010-10-19 SAS, SPSS, and Stata setup files have been added. Some corresponding documentation has been updated and pre-existing data files have been replaced. The National Health Survey Procedure Documentation has been removed from the dataset list, and can now be found with all other corresponding and added documentation.
2010-11-29 Procedure documentation pertaining to study design has been added.
The public-use data files in this collection are available for access by the general public. Access does not require affiliation with an ICPSR member institution.
This study is maintained and distributed by the National Archive of Computerized Data on Aging (NACDA), the aging program within ICPSR. NACDA is sponsored by the National Institute on Aging (NIA) at the National Institutes of Heath (NIH).