** FROM THE CENTERS FOR DISEASE CONTROL AND PREVENTION (CDC) **

The Division of Health Interview Statistics (DHIS) of the National Center for Health Statistics (NCHS) is pleased to announce the Internet release of the 2015 National Health Interview Survey (NHIS) data files and supporting documentation.

The 2015 NHIS contains the core questions, enhanced questions on health care access and utilization, and additional supplemental questions in the Family questionnaire on the subject of food security, Sample Adult questionnaire on the subjects of cancer control, occupational health, epilepsy, heart disease and stroke prevention, Crohn’s disease and colitis, infrequent tobacco use, hepatitis B and C screening, immunization, internet access and email usage, mental health, and in the Sample Child questionnaire on the subjects of immunization, and mental health. Along with the 2015 NHIS core data files is the Family Disability Questions 2015 file which contains person-level data collected via six disability questions. These questions appeared on the NHIS, at the end of the Family Core. A disability supplement was also fielded in 2015 as part of the Sample Adult Core and is called “Functioning and Disability”.
The 2015 NHIS data release consists of seven questionnaires, six core data files, a Paradata file, a Family Disability Questions file, and a Functioning and Disability file. See the Survey Description document for more details.

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