Assessing the effectiveness of mental health courts: A quantitative review
Research Highlights
► We used quantitative analysis to examine mental health court interventions. ► Eighteen published and unpublished studies were analyzed. ► Our findings suggest they are effective but this assertion is not definitive.
Introduction
Mental health courts (MHCs) are being implemented as a means of diverting the increasingly large numbers of persons with severe mental illness who have committed crimes, into court mandated treatment programs instead of the prison system. Using the latest data available, as of June 2004, nearly 321,884 of the 2.1 million prisoners suffered from a serious mental illness (Lamb, Weinberger, Marsh, & Gross, 2007). These total numbers have likely increased, given that there are currently an estimated 2.3 million persons in state and federal prisons (West & Sabol, 2009). A recent study of mental illness in jails found that 14.5% of men and 31% of women had a serious mental illness (Steadman, Osher, Clark Robbins, Case, & Samuels, 2009). That number rose to 17.1% and 34.3%, respectively when Post Traumatic Stress Disorder (PTSD) was included as a diagnostic category. MHCs have increased rapidly over recent years and taking stock of the empirical literature on the effectiveness of these courts in order to better inform public policy is critical. Thus, the present study employs meta-analytic techniques in order to present the state of the science in relation to MHCs.
Section snippets
Potential advantages
There are several possible advantages of MHCs. First, research suggests that MHCs link individuals to mental health treatment. Several studies have demonstrated this. Two Florida MHCs reported linking 82% and 73% of its participants to mental health services (Boothroyd, Poythress, McGaha, & Petrila, 2003). At the eight month follow-up, the latter figure dropped to 57% but MHC participants remained in a higher level of treatment when compared to individuals in the traditional misdemeanor court.
Data sources and search strategy
A comprehensive literature search was conducted through July 2009 of MEDLINE, PsychINFO, PubMed, ERIC, Social Science Abstracts, Social Work Abstracts, Social Science Citation Index, Sociological Abstracts, ProQuest Digital Dissertations database, Social, Psychological, Criminological, the Cochrane Library database and the National Criminal Justice Reference Service (NCJRS) databases. Other search strategies included searches by hand of journal article reference sections and a query of authors
Results
Eighteen studies, described in Table 1 met the inclusion criteria. Each study contained enough information to be reproduced by another set of researchers with the exception of Teller, Ritter, Salupo Rodriguez, Munetz, and Gil (2004). This study was unable to be fully assessed and scored for methodological quality because it was missing a considerable amount of information. While not enough information could be gathered from the study to rate its methodology it was considered a valuable study
Discussion
This is the first investigation to synthesize all of the available studies that could contribute an effect size for the purpose of evaluating the status of MHCs. According to this analysis MHCs were able to reduced recidivism by an overall effect size of -0.54. Using Cohen's effect size guidelines (Cohen, 1988), this result suggests that MHCs may be moderately effective treatments for reducing recidivism. The results also showed an MHC had the potential to positively impact clinical outcomes
Conclusions
This study attempted to determine empirically whether MHCs can reduce recidivism rates and improve clinical outcomes. Our findings suggest that MHCs are an effective intervention. Methodologically, many of the studies are not as strong as would be ideal thus limiting our conclusions. Evidence of the effectiveness of MHCs has important clinical implications for incarcerated individuals with serious mental illness as well as for society. Within the context of MHCs, the participants are viewed not
Acknowledgements
We would like to thank the many helpful program directors for their assistance. Without your help and kindness, it would have been difficult to compile this report.
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