Articles

The Journal of Behavioral Health Services & Research

, Volume 27, Issue 3, pp 286-302

Longitudinal effects of integrated treatment on alcohol use for persons with serious mental illness and substance use disorders

  • Sandra E. HermanAffiliated withDepartment of Community Health, Program Evaluation Specialist, Services Research Unit, Mental Health and Substance Abuse Services Email author 
  • , Kenneth A. FrankAffiliated withthe Department of Education, Michigan State University
  • , Carol T. MowbrayAffiliated withthe School of Social Work, the University of Michigan
  • , Kurt M. RibislAffiliated withthe Department of Health Behavior and Health Education, the University of North Carolina, School of Public Health
  • , William S. DavidsonIIAffiliated withthe Department of Psychology, Michigan State University

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Abstract

A randomized experimental design was used to assign participants to an integrated mental health and substance use treatment program or to standard hospital treatment. A multilevel, nonlinear model was used to estimate hospital treatment effects on days of alcohol use for persons with serious mental illness and substance use disorders over 18 months. The integrated treatment program had a significant effect on the rate of alcohol use at 2 months postdischarge, reducing the rate of use by 54%. Motivation for sobriety at hospital discharge, posttreatment self-help attendance, and social support for sobriety were also found to reduce the rate of use during the follow-up period. Implications for mental health treatment and aftercare support are discussed.