National Health Interview Survey, 1991 (ICPSR 6049)
Principal Investigator(s): United States Department of Health and Human Services. National Center for Health Statistics
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. Household variables in this data collection include type of living quarters, size of family, number of families in household, and geographic region. Person variables include sex, age, race, marital status, veteran status, education, income, industry and occupation codes, and limits on activity. The Condition, Doctor Visit, and Hospital Record files contain information on each reported health condition, doctor visit within a two-week period, and hospitalization (12-month recall), respectively.
These data are available to the general public.
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).
U.S. Dept. of Health and Human Services, National Center for Health Statistics. NATIONAL HEALTH INTERVIEW SURVEY, 1991. Hyattsville, MD: U.S. Dept. of Health and Human Services, National Center for Health Statistics [producer], 1991. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 1993. http://doi.org/10.3886/ICPSR06049.v1
Persistent URL: http://doi.org/10.3886/ICPSR06049.v1
Scope of Study
Subject Terms: chronic disabilities, chronic illnesses, disabilities, doctor visits, families, health, health care, health care services, health policy, health problems, hospitalization, household composition, households, illness
Geographic Coverage: United States
Date of Collection:
Universe: Civilian, noninstitutionalized population of the 50 states and the District of Columbia.
Data Types: survey data
Data Collection Notes:
Per agreement with NCHS, ICPSR distributes the data file(s) and technical documentation in this collection in their original form as prepared by NCHS. Part II of the documentation, the Field Representative's Manual, is provided in hard copy only. The age distribution for the Person file is: 0-44 (N = 82,309), 45-54 (N = 12,772), 55-64 (N = 10,235), 65-74 (N = 8,932), and 75+ (N = 5,784).
Sample: The NHIS uses a stratified multistage probability sampling design. Four independent representative samples, which may be used in any combination, were drawn. Black persons were oversampled.
Restrictions: 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 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.
Original ICPSR Release: 1993-10-02
- 2006-01-18 File MN6049.PDF was removed from any previous datasets and flagged as a study-level file, so that it will accompany all downloads.
- 2006-01-12 All files were removed from dataset 6 and flagged as study-level files, so that they will accompany all downloads.
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