An evaluation of the Brooklyn Mental Health Court documented improvements in several outcome measures, including substance abuse, psychiatric hospitalizations, homelessness and recidivism. In a 2011 meta-analysis of literature on the effectiveness of mental health courts in the United States, it was found that mental health courts reduced recidivism by an overall effect size of −0.54.
An evaluation of the Brooklyn Mental Health Court showed enhancements in several performance metrics, including substance abuse, psychiatric hospitalizations, homelessness, and recidivism. A 2011 meta-analysis indicated that mental health courts nationwide decreased recidivism by an average effect size of −0.54.