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National Health Interview Survey, 2007 (ICPSR 27201) RSS

Principal Investigator(s):

Summary:

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. Implementation of a redesigned NHIS, consisting of a basic module, a periodic module, and a topical module, began in 1997 (see NATIONAL HEALTH INTERVIEW SURVEY, 1997 [ICPSR 2954]). The 2007 NHIS contains the Household, Family, Person, Sample Adult, and Sample Child files from the basic module. Each record in Part 1, Household Level, contains data on type of living quarters, number of families in the household responding and not responding, and the month and year of the interview for each sampling unit. Part 2, Family Level, is made up of reconstructed variables from the person-level data of the basic module and includes information on sex, age, race, marital status, Hispanic origin, education, veteran status, family income, family size, major activities, health status, activity limits, and employment status, along with industry and occupation. As part of the basic module, Part 3, Person Level, provides information on all family members with respect to health status, limitation of daily activities, cognitive impairment, and health conditions. Also included are data on years at current residence, region variables, height, weight, bed days, doctor visits, hospital stays, and health care access and utilization. A randomly-selected adult in each family was interviewed for Part 4, Sample Adult, regarding respiratory conditions, use of nasal spray, renal conditions, AIDS, joint symptoms, health status, limitation of daily activities, and behaviors such as smoking, alcohol consumption, and physical activity in addition to questions regarding stroke, diabetes, arthritis, and weight control. Part 5, Sample Child, provides information from an adult in the household on medical conditions of one child in the household, such as respiratory problems, seizures, allergies, and use of special equipment like hearing aids, braces, or wheelchairs. Also included are variables regarding child behavior, the use of mental health services, and Attention Deficit Hyperactivity Disorder (ADHD), as well as responses to the SDQ, the Strengths and Difficulties questionnaire on child mental health. The 2007 data contain the Child Conditions - Limitation of Activity and Health Status (CHS), Child Health Care Access and Utilization (CAU), Child Mental Health Brief (CMB), Child Mental Health Services (CMS) and Child Influenza Immunization (CFI) sections. Part 6, Injury/Poison Episode, is an episode-based file that contains information about the external cause and nature of the injury or poisoning episode and what the person was doing at the time of the injury or poisoning episode, in addition to the date and place of occurrence. Part 7, Injury/Poison Episode Verbatim, contains edited narrative text descriptions of the injury or poisoning, provided by the respondent. Part 8, Adult Complementary and Alternative Medicine, and Part 9, Child Complementary and Alternative Medicine, provide information regarding the use of 17 nonconventional health care practices, including acupuncture, movement therapies, and relaxation techniques, for sample adults and sample children, respectively. Supplemental Sample Child, Part 10, and Supplemental Sample Child Alternative Medicine, Part 11, are supplemental files for the 2007 data release. These files provide dummy records to fill in the missing information for Part 5, Sample Child, and Part 9, Child Complementary and Alternative Medicine. Part 12, Paradata, does not contain health related information, but rather data which are related to the interview process, including measures of time, contact-ability, and cooperation. RAT_CAT3 Update, Part 13, corrects an error in the 2007 Family Level variable RAT_CAT3.

Series: National Health Interview Survey Series

Access Notes

  • These data are freely available.

  • NACDA Logo

    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).

Dataset(s)

WARNING: This study is over 150MB in size and may take several minutes to download on a typical internet connection.

DS3:  Person Level - Download All Files (410.4 MB) large dataset
DS6:  Injury/Poison Episode Level - Download All Files (11.9 MB)
DS7:  Injury/Poison Verbatim Level - Download All Files (11 MB)
DS8:  Adult Complementary and Alternative Medicine Level - Download All Files (753.8 MB) large dataset
DS9:  Child Complementary and Alternative Medicine Level - Download All Files (153 MB) large dataset
DS10:  Supplemental Sample Child Level - Download All Files (6.2 MB)
DS11:  Supplemental Sample Child Alternative Medicine Level - Download All Files (8.7 MB)
DS13:  RAT_CAT3 Update, Family Level - Download All Files (9.5 MB)

Study Description

Citation

United States Department of Health and Human Services. Centers for Disease Control and Prevention. National Center for Health Statistics. National Health Interview Survey, 2007. ICPSR27201-v2. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2010-08-26. http://doi.org/10.3886/ICPSR27201.v2

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Scope of Study

Subject Terms:   assistive devices, child health, disabilities, doctor visits, families, health behavior, health care access, health care services, health services utilization, health status, hospitalization, households, illness, immunization, injuries, mental health, physical disabilities, poisoning

Geographic Coverage:   United States

Time Period:  

  • 2007

Date of Collection:  

  • 2007

Universe:   Civilian, noninstitutionalized population of the 50 states and the District of Columbia.

Data Types:   clinical data, survey data

Data Collection Notes:

To learn more about the National Health Interview Survey, visit the Centers for Disease Control and Prevention (CDC) Web site. At that site you can join the HISUSERS e-mail list by providing your name and e-mail address, selecting the item, "National Health Interview Survey (NHIS) researchers", and clicking on "subscribe".

Imputed income files for 2007 are now available through the NCHS Web site.

The User Guide contains information regarding the merging of files and the use of weight variables, along with information regarding changes to the 2007 NHIS.

Questionnaires have been provided in both English and Spanish.

Beginning in 2005, the NHIS no longer allows an emancipated minor (someone between the ages of 14 and 17 living on their own without supervision of an adult family member or legal guardian) to be an eligible respondent or a sample adult or sample child. An emancipated minor is not eligible to be the respondent for the Sample Child questionnaire even if they are the parent of the sample child.

Analysts should be aware that 260 persons who were active duty members of the Armed Forces at time of interview are on the Person-Level file and will appear in the unweighted frequencies, despite the fact that NHIS covers only the civilian noninstitutionalized household population. These active duty members of the Armed Forces are included in that file because at least one other family member is a civilian eligible for the survey. The value of the final annual person weight (WTFA) for these military persons is zero, so they will not be counted when making national (i.e., weighted) estimates.

Methodology

Sample:   The NHIS uses a stratified multistage probability design. Oversampling of the black and Hispanic populations was retained in the 2007 study to allow for more precise estimation of health characteristics in these growing minority populations. The new sample design also oversamples the Asian population. In addition, the sample adult selection process has been revised so 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.

Weight:   These data contain multiple weight variables for each part. Users should refer to the User Guide for further information regarding the weights and their derivation. Additionally, users may need to weight the data prior to analysis.

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 variable labels and/or value labels.
  • Created online analysis version with question text.
  • Performed recodes and/or calculated derived variables.

Version(s)

Original ICPSR Release:  

Version History:

  • 2010-08-26 The Sample Adult Level (Part 0004) data files have been updated.

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