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Public NCHS Data

You may have a health or medical research topic in mind and need to see how it was implemented in the different surveys. Or you may have picked a data system but need more information about the datasets, survey cycles, or data years. Click on a link below to reach “Questionnaires, Datasets, and Related Documentation” or a similar page for each data system.

Links to Major NCHS Data Systems

Links to Other NCHS Data Sources