Restricted-use Data Analysis System
To access the R-DAS, users are required to login using either a MyData, Google, or Facebook account. The following links are available for MyData:
The Restricted-use variable crosswalk displays all variables in the restricted-use NSDUH data files and their availability for specific groups of years.
*Details on the structure of the data files in the R-DAS, including file contents, weights and other information, can be found on the study home page for each study.