New restricted-use NSDUH data allows for four-year estimates
The National Survey on Drug Use and Health (NSDUH): 4-Year R-DAS (2002 to 2005 and 2006 to 2009) data are now available for online analysis using the Restricted-use Data Analysis System (R-DAS). This restricted-use NSDUH data file produces combined four-year estimates for 2002-2005 and 2006-2009. Variables available include:
- State codes to allow for state-level analyses;
- Detailed race/ethnicity;
- Country of birth; and
- Initiation of substance use (age of first use).
The NSDUH: 4-Year R-DAS (2002 to 2005 and 2006 to 2009) file is the second data file available on the recently launched R-DAS. more...
View the NSDUH: 4-Year R-DAS (2002 to 2005 and 2006 to 2009) study home page
Access the Restricted-use Data Analysis System (R-DAS)
Learn about the R-DAS