Survey Methodology, Documentation, and Data Files

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

• 2000
• 1998
• 1996

Data Dictionaries

• 2000
• 1998
• 1996

Data Files

• 2000
• 1998
• 1996

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.