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A comparative evaluation of substance abuse treatment IV. The effect of comorbid psychiatric diagnoses on amount of treatment, continuing care, and 1-year outcomes.
Ouimette PC, Gima K, Moos RH, Finney JW. A comparative evaluation of substance abuse treatment IV. The effect of comorbid psychiatric diagnoses on amount of treatment, continuing care, and 1-year outcomes. Alcoholism, clinical and experimental research. 1999 Mar 1; 23(3):552-7.
Recent surveys of the substance abuse patient population have shown a striking increase in the proportion of patients with a comorbid psychiatric disorder. In this study, patients with substance abuse and psychotic, anxiety/depressive, or personality disorders were compared with patients with only substance use disorders on treatment experiences and outcomes. Regardless of dual diagnosis status, patients generally improved on both substance use and social functioning outcomes after substance abuse treatment. At the 1-year follow-up, dually diagnosed patients, and patients with only substance use disorders, had comparable substance use outcomes. However, patients with major psychiatric disorders, specifically psychotic and anxiety/depressive disorders, fared worse on psychological symptoms and employment outcomes than did patients with personality disorders and only substance use disorders. Although there were some group differences on the amount of index treatment received and continuing care, the overall pattern of relationships between treatment variables and outcomes was comparable for the patient groups. In addition, there was no diagnostic group by treatment orientation matching effects, which indicated that the dual diagnosis patient groups improved as much in 12-Step as in cognitive-behavioral substance abuse programs.