Data Files and Documentation—NAMCS (1973–2017) and NHAMCS (1992–2017)
Visit the National Ambulatory Medical Care Survey website at https://www.cdc.gov/nchs/namcs/ and the National Hospital Ambulatory Medical Care Survey at https://www.cdc.gov/nchs/nhamcs/ for more information about these surveys.
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Survey Instruments
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Scope and Sample Design
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Survey Methods and Analytic Guidelines
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Data Collection and Processing
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Reliability of Estimates
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Notices for NAMCS and NHAMCS Public Use Data File Users
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Datasets, Questionnaires and Related Documentation
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NAMCS and NHAMCS Data Available in the NCHS Research Data Center