Principal Investigator(s): United States Department of Health and Human Services. Centers for Disease Control and Prevention. 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. There are five types of records in this core survey, each in a separate data file. The variables in the Household File (Part 1) include type of living quarters, size of family, region, and type of sampling area. The Person File (Part 2) includes sex, age, race, marital status, veteran status, and education. These variables are found in the Condition, Doctor Visit, and Hospital Episode Files as well. The Person File also supplies data on height, weight, bed days, doctor visits, hospital stays, years at residence, and region variables. The Condition (Part 3), Doctor Visit (Part 4), and Hospital Episode (Part 5) Files contain information on each reported acute or chronic condition, doctor visit, or hospitalization, respectively. A sixth, seventh, and eighth file have been provided. The Health Insurance Supplement File (Part6) contains information on the type of health insurance held by each respondent from the Person file. Parts 7-8 comprise the Supplement on Aging (SOA) Files divided into Condition and Person Public Use Files respectively, and contain data on a subset of the NHIS population, those aged 55 and over. These files contain the same Condition and Person variables as Parts 2-3 but are supplemented by questions pertaining specifically to the subpopulation of older respondents. These additional variables cover family relationships and support, community and social support, occupation and retirement, nursing home stays, help with care, health opinions, and other health-related and social information about middle-aged and older people.
These data are freely available.
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).
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United States Department of Health and Human Services. Centers for Disease Control and Prevention. National Center for Health Statistics. National Health Interview Survey, 1984. ICPSR08659-v2. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2011-04-19. http://doi.org/10.3886/ICPSR08659.v2
Persistent URL: http://doi.org/10.3886/ICPSR08659.v2
This study was funded by:
- United States Department of Health and Human Services. Centers for Disease Control and Prevention. National Center for Health Statistics
Scope of Study
Subject Terms: adult care services, chronic disabilities, chronic illnesses, disabilities, doctor visits, family relationships, health, health care, health care services, health policy, health problems, hospitalization, households, illness, nursing homes, older adults, retirement, supportive services
Geographic Coverage: United States
Date of Collection:
Universe: The civilian noninstitutionalized population of the United States and the District of Columbia from 1,900 geographically defined Primary Sampling Units (PSUs).
Data Types: clinical data, survey data
Data Collection Notes:
Per agreement with NCHS, ICPSR distributes the data files and text of the technical documentation for this collection as prepared by NCHS.
The data contain dashes (-).
Sample age distribution for Part 2, the Person file, is: 45-54 (10,561), 55-64 (9,852), 64-74 (7,344), and 75+ (4,550). For Part 6, the Supplement on Aging--Person file, sample age distribution is: 55-64 (4,651), 65-74 (7,093), and 75+ (4,404).
Sample: A multistage probability sample is used for the HIS. Respondents to the Supplement on Aging are all the members of households included in the 1984 HIS who were 65 years of age or older at the time of the interview, and a one-half sample of those between the ages of 55 and 64.
Weight: Detailed information regarding the use of weights is located within the documentation.
Mode of Data Collection: face-to-face interview
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:
- Created online analysis version with question text.
Original ICPSR Release: 1987-05-19
- 2011-04-19 SAS, SPSS, and Stata setup files have been added. Some corresponding documentation has been updated.
- 2000-02-21 The codebook has been converted to a PDF file.
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