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Predictors of psychiatric hospitalization, predisposing, enabling and need, of adults with co-occurring mental and substance disorders were compared to predictors for adults with a mental illness only. Research participants were 1,623 users of crisis intervention services. Findings using Cox regression show that dually-diagnosed individuals were more likely to be hospitalized. Enabling and need factors were important predictors for both groups. Disruptive behavior was a predictor for dually-diagnosed clients but not for clients with mental illness only. Findings suggest that outpatient mental health services are less well equipped to address a psychiatric crisis when it was accompanied by substance use issues. [ABSTRACT FROM AUTHOR]

Examines the relative impact of characteristics of people with psychiatric disabilities and their service use on hospitalization. Analysis of number and length of hospitalizations; Previous hospitalization and community service utilization the two most important predictors of future hospitalization; Implications for evaluating hospitalization risk.

Predictors of psychiatric hospitalization, predisposing, enabling and need, of adults with co-occurring mental and substance disorders were compared to predictors for adults with a mental illness only. Research participants were 1613 users of crisis intervention services. Findings using Cox regression show that dually-diagnosed individuals were more likely to be hospitalized. Enabling and need factors were important predictors for both groups. Disruptive behavior was a predictor for dually-diagnosed clients but not for clients with mental illness only. Findings suggest that outpatient mental health services are less well equipped to address a psychiatric crisis when it was accompanied by substance use issues.