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).
National Health Interview Survey, 1989: Health Insurance Supplement (ICPSR 9703)
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. The 1989 Health Insurance Supplement provides 93 variables from the core Person File (see NATIONAL HEALTH INTERVIEW SURVEY, 1989 [ICPSR 9583]) including sex, age, race, marital status, veteran status, education, income, industry and occupation codes, and limits on activity. It also contains summary variables from the Health Conditions, Doctor Visits, and Hospital Episode files of the 1989 NHIS. The 53 variables unique to this supplement include the type of health insurance program the respondent was covered by (including public assistance programs), extent of coverage, reasons for not carrying health insurance, and effects of job loss on coverage.
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.
United States Department of Health and Human Services. Centers for Disease Control and Prevention. National Center for Health Statistics. National Health Interview Survey, 1989: Health Insurance Supplement. ICPSR09703-v1. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 1992. http://doi.org/10.3886/ICPSR09703.v1
Persistent URL: http://doi.org/10.3886/ICPSR09703.v1
Scope of Study
Subject Terms: chronic disabilities, chronic illnesses, disabilities, health, health care, health care services, health insurance, Health Maintenance Organizations, health policy, health problems, illness, insurance coverage, Medicaid, Medicare
Geographic Coverage: United States
Per agreement with NCHS, ICPSR distributes the data file(s) and technical documentation in this collection in their original form as prepared by NCHS. The age distribution of the sample was 18-54 years (N = 92,453), 55-64 years (N = 10,231), 65-74 years (N = 8,618), and 75+ years (N = 5,627). The racial background was White (N = 92,987), Black (N = 17,216), Asian/Pacific Islander (N = 2,731), Native American (N = 930), other or unknown (N = 2,928), and multiple races (N = 137).
Sample: One person 18 years or older was randomly sampled from each household in the 1989 National Health Interview Survey sample. The NHIS sample itself was a multistage probability sample from 1,924 geographically defined Primary Sampling Units (PSUs). Starting with an all-area frame, a reduced number of 201 PSUs were selected, including two from each nonself-representing stratum. Black persons were oversampled. Four independent representative samples which may be used in any combination were drawn.
Extent of Processing: 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:
- Standardized missing values.
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: 1992-03-04
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