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Survey Methodology, Documentation, and Data Files


2000, 1998, 1996


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.