Survey Methodology, Documentation, and Data Files
Visit https://www.cdc.gov/nchs/healthcare-surveys/about/index.html for more information about the National Health Care Surveys.
2007
- Survey Methodology and Documentation [PDF – 120 KB]
- NHHCS Content Crosswalk [PDF – 115 KB]
- Questionnaires
- Data Dictionaries
- Data Files
2000, 1998, 1996
- Scope of the Survey
- Sample Design
- Data Collection and Processing
- Estimation Procedures
- Reliability of Estimations
- Presentation of Estimations
Questionnaires
Data Dictionaries
Data Files
Additional NHHCS data available at the Research Data Center (RDC)
The NHHCS public use data files may not include some data collected in the survey. These additional data elements, however, may be accessed through the RDC at the National Center for Health Statistics for approved projects. Detailed information on the RDC process is available at Research Data Center.