2012 Sample Design Report

This report describes the sample design to the 2012 National Survey on Drug Use and Health (NSDUH). A coordinated sample design was developed for the 2005 through 2009 NSDUHs. The 2010-2011 and 2012-2013 samples are extensions of the 5-year sample. This report describes the general sample allocation procedures for the main NSDUH study, the NSDUH's Mental Health Surveillance Study, and the Questionnaire Field Test.