Prevalence and correlates of illicit and non-medical use of psychotropic drugs in Japan: Findings from the World Mental Health Japan Survey 2002-2004

Purpose To describe the prevalence of illicit and non-medical use of drugs, the age of first use, and their correlates in the general population of Japan, based on data collected between 2002 and 2004 as part of the World Mental Health (WMH) surveys.