National Health Interview Survey, 1994 (ICPSR 6724)
Principal Investigator(s): United States Department of Health and Human Services. National Center for Health Statistics
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. The Household Record file (Part 1) presents information on type of living quarters, size of family, number of families in the household, whether there is a telephone, number of unrelated individuals, and region. Variables in the Person Record file (Part 2) cover sex, age, race, marital status, Hispanic origin, education, veteran status, family income, family size, major activities, health status, activity limits, employment status, industry, and occupation. These person-level variables are also found in the Condition, Doctor Visit, and Hospital Record files (Parts 3-5). The Person Record file also contains height, weight, bed days, doctor visits, hospital stays, years at residence, and region variables. Data for each reported health condition, with specifics on injury and accident reports, are supplied in the condition file, while the Doctor Visit Record file documents doctor visits within the time period and identifies acute or chronic conditions. The Hospital Record file contains information on conditions, hospital episodes, type of service, type of hospital ownership, date of admission and discharge, number of nights in hospital, and operations performed, within the 12-month period.
These data are available to the general public.
WARNING: This study is over 150MB in size and may take several minutes to download on a typical internet connection.
U.S. Dept. of Health and Human Services, National Center for Health Statistics. NATIONAL HEALTH INTERVIEW SURVEY, 1994. ICPSR version. Hyattsville, MD: U.S. Dept. of Health and Human Services, National Center for Health Statistics [producer], 1995. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 1996. http://doi.org/10.3886/ICPSR06724.v1
Persistent URL: http://doi.org/10.3886/ICPSR06724.v1
Scope of Study
Subject Terms: chronic disabilities, chronic illnesses, disabilities, doctor visits, families, family size, 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:
(1) Per agreement with NCHS, ICPSR distributes the data file(s) and text of the technical documentation for this collection as prepared by NCHS. (2) The codebook is provided as a Portable Document Format (PDF) file. The PDF file format was developed by Adobe Systems Incorporated and can be accessed using the Adobe Acrobat Reader. Information on how to obtain a copy of the Acrobat Reader is provided through the ICPSR Website on the Internet. The codebook is also available in hardcopy form upon request from ICPSR. (3) The Field Representatives' Manual is available only in hardcopy form upon request from ICPSR.
Sample: The NHIS uses a stratified multistage probability design.
Restrictions: In preparing the data file(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: 1996-10-01
- 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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