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National Health Interview Survey, 2012

Version
v1
Resource Type
Dataset : clinical data, survey data
Creator
  • United States Department of Health and Human Services. Centers for Disease Control and Prevention. National Center for Health Statistics
Other Title
  • Version 1 (Subtitle)
Collective Title
  • National Health Interview Survey Series
Publication Date
2016-08-05
Language
English
Free Keywords
alternative medicine; child health; disabilities; doctor visits; food security; health care access; health care services; health insurance; health services utilization; health status; hospitalization; hospitals; illness; immunization; injuries; language; mental health; poisoning; socioeconomic status; substance abuse; tobacco use
Description
  • Abstract

    The National Health Interview Survey (NHIS) is conducted annually by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention (CDC). The main objective of the NHIS is to monitor the health of the United States population through the collection and analysis of data on a broad range of health topics. The NHIS contains many similar questions every year. The repeated items are called "core questions." Beginning with a new NHIS design in 1997, these core questions were divided into three components -- Family, Sample Adult, and Sample Child. The 2012 NHIS data release consists of six core data files, a paradata file, the three Disability Questions Tests files, a Functioning and Disability file, and two Complementary and Alternative Medicine files. Users may see the Survey Description document for more details. The 2012 NHIS contains the core questions, as well as enhanced questions on health care access and utilization. Supplemental topics are covered in the following questionnaires: the Family questionnaire covers subjects of food security; the Sample Adult questionnaire covers subjects of immunization, complementary and alternative medicine, non-cigarette tobacco use, voice, speech, and language; and the Sample Child questionnaire covers subjects of mental health, mental health services, immunization, complementary and alternative medicine, balance, voice, speech, and language. Along with the 2012 NHIS core data files are the Disability Questions Tests 2012 files which contain person-level data collected via a field test of six disability questions. These supplemental questions appeared on the NHIS, at the end of the Family, Sample Adult, and Sample Child Cores. The Disability Questions Tests 2012 files are released as three separate files. A fourth disability supplement was also fielded in 2012 as part of the Sample Adult Core and is called "Adult Functioning and Disability Level." The Adult and Child Alternative Health Supplement files were intended to expand on knowledge of alternative medical services. Questions focus on how often various types of alternative therapies are used, the associated costs, and the reasons they are used. Lastly, the Paradata Level file contains information about the survey and data collection processes; included are data on response rates, keystrokes, interview times, and number of contact attempts.
  • Abstract

    The main objective of the NHIS is to monitor the health of the United States population through the collection and analysis of data on a broad range of health topics.
  • Methods

    The data are not weighted. These data contain multiple weight variables for each part which must be used in any analysis. Users should refer to the User Guide for further information regarding the weights, their use, and their derivation.
  • Methods

    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 variable labels and/or value labels.; Checked for undocumented or out-of-range codes..
  • Methods

    Response Rates: The total household response rate was 77.6 percent. The final response rate for the family component was 77.6 percent. The final response rate for the sample child component was 69.7 percent. The final response rate for the sample adult component was 61.2 percent.
  • Table of Contents

    Datasets:

    • DS0: Study-Level Files
    • DS1: Household Level
    • DS2: Family Level
    • DS3: Person Level
    • DS4: Sample Adult Level
    • DS5: Sample Child Level
    • DS6: Injury/Poison Episode Level
    • DS7: Family Disability Level
    • DS8: Adult Functioning and Disability Level
    • DS9: Adult Disability Level
    • DS10: Child Disability Level
    • DS11: Adult Alternative Medicine Level
    • DS12: Child Alternative Medicine Level
    • DS13: Paradata Level
Temporal Coverage
  • Time period: 2012
  • Collection date: 2012
Geographic Coverage
  • United States
Sampled Universe
Civilian, noninstitutionalized population of the 50 states and the District of Columbia. Smallest Geographic Unit: Region (and pseudo-PSU)
Sampling
The sample design follows a multistage area probability design that permits the representative sampling of households and noninstitutional group quarters (e.g., college dormitories). In order to increase the precision of estimates of the Black, Hispanic, and Asian populations, the current NHIS sample design oversamples Black persons, Hispanic persons, and Asian persons. In addition, the sample adult selection process provides that when Black, Hispanic, or Asian persons aged 65 years or older are present, they have an increased chance of being selected as the sample adult. For more information on sampling, please refer to the "NHIS Survey Description" section of the User Guide document.
Collection Mode
  • computer-assisted personal interview (CAPI), face-to-face interview, telephone interview

    The User Guide contains information regarding the merging of files and the use of weight variables, along with information regarding changes to the 2012 NHIS.

    Please note that file names references in the User Guide do not align with the names of files released by ICPSR.

    For more information about the National Health Interview Survey, visit the Centers for Disease Control and Prevention (CDC) Web site.

Availability
Download
This study is freely available to the general public via web download.
Alternative Identifiers
  • 36146 (Type: ICPSR Study Number)

Update Metadata: 2016-08-06 | Issue Number: 1 | Registration Date: 2016-08-06

United States Department of Health and Human Services. Centers for Disease Control and Prevention. National Center for Health Statistics (2016): National Health Interview Survey, 2012. Version 1. National Health Interview Survey Series. Version: v1. ICPSR - Interuniversity Consortium for Political and Social Research. Dataset. https://doi.org/10.3886/ICPSR36146.v1