Objective: The aim of the study is to investigate the labor market participation of patients with concurrent substance use and mental health disorder before treatment, as well as the strength of the barriers to re-enter the labor market.
Methods: The study population is composed of individuals with concurrent substance use and mental health disorder at a psychiatric unit in 1996, 2001, 2006, 2011, and 2016. The number of self-supported years 20 years back in time, as well as present and subsequent employment, was calculated.