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2019 Methodological Summary and Definitions


This report presents methodology and other background for users of the 2019 National Survey on Drug Use and Health (NSDUH). It gives the information needed to correctly interpret and analyze estimates from the survey. It describes recommended analysis techniques, details about the construction of indicators used in NSDUH reports, sampling, weights, and alternate sources of drug use and mental health data.

Chapter 1 introduces to the report. Chapter 2 describes the survey, including information about the sample design, data collection procedures, and key aspects of data processing such as development of the analysis weights. Chapter 3 presents technical details on the statistical methods and measurement, such as suppression criteria for unreliable estimates, statistical testing procedures, and issues for selected substance use and mental health measures. Chapter 4 discusses special topics related to prescription psychotherapeutic drugs. Chapter 5 compares NSDUH to other sources of data on substance use and mental health issues, including data sources for populations outside the NSDUH target population. An appendix covers key definitions used in NSDUH reports and tables.

The document is available in PDF or HTML.

Publication Date:
September 11, 2020
Collection Date:
Report Type:
Reference Material

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2020 Methodological Summary and Definitions
Collected Date: 2020 | Published Date: October 25, 2021 | Type: Reference Material

Report Resources

Find methodology reports, crosswalks, public use files, and more on the Substance Abuse and Mental Health Data Archive (SAMHDA)'s page about NSDUH.
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