
Questionnaires, Datasets, and Related Documentation
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Survey Procedures, Sample Design, Variance Estimation, and Other Methodological Studies
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NHIS restricted variable information, restricted and public use variable lists
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Summary of NHIS micro-data availability pdf icon[PDF – 18 KB]
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NHIS micro-data files – record lengths and counts pdf icon[PDF – 63 KB]
Page last reviewed: May 6, 2019
Content source: National Center for Health Statistics