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The NIAAA is the lead agency for U.S. research on the causes, consequences, prevention and treatment of alcohol use disorder and alcohol-related problems.

National Institute on Alcohol Abuse and Alcoholism (NIAAA)

National Epidemiologic Survey on Alcohol and Related Conditions-III (NESARC-III) 

Data Access Policy, Application and Agreement


The National Epidemiologic Survey on Alcohol and Related Conditions-III (NESARC-III) was sponsored, designed and directed by the National Institute on Alcohol Abuse and Alcoholism (NIAAA).  

Study Details 

Sponsor: The National Institute on Alcohol Abuse and Alcoholism 

NCT #:  01273220 

Study Type:  Observational 

Number of Participants: 36,309 

Population: A cross-sectional, nationally representative sample of the civilian noninstitutionalized population of the United States aged 18 years or older.   

Other Study Details: NIAAA Alcohol Use Disorder and Associated Disabilities Interview Schedule (AUDADIS-5) was used to collect on alcohol and drug use disorders, related risk factors and associated physical and mental disabilities; DNA was obtained through saliva samples. 

Fieldwork was conducted by Westat through a contract under the data collection authorization of Title 42 USC 285n.   

NESARC III Genomic Data: 

NESARC III Genomic data collected can be access via dbGaP 

NESARC III Phenotypic Dataset Application Procedure:  

The NESARC III Study contains individual level data and is categorized as a controlled access data set. Only qualified research investigators who, along with their institutions, have certified their agreement with the expectations and terms of access detailed in the COMBINE Data Access Application and the NIAAA Data Use Agreement will be provided access.  

To apply for access, please send the following to  

  1. A completed NESARC III Data Access Application  

  1. A completed NIAAA Data Use Agreement, signed by your Authorized Institutional Official and the Principal Investigator  

NESARC-III data use agreement                NESARC-III data access application



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