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B J Powell

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Diagnostic subgroups of antisocial alcoholics: outcome at 1 year.

Of 233 alcoholics initially evaluated and subdivided into groups with an additional diagnosis of antisocial personality disorder (ASP) only (N = 38), ASP plus drug abuse (N = 30), ASP plus major depressive disorder (N = 18), and those with no additional diagnosis (N = 147), 205 were followed up 1 year later. The ASP plus drug group, although younger and having fewer years of alcoholism, did worse in the 1-year follow-up on many indicators of alcoholism severity compared with the other antisocial groups and the alcoholism only group. The ASP plus depressed group demonstrated marked improvement on measures of psychopathology and alcoholism severity over the course of 1 year such that they were comparable on these measures at 1-year follow-up to the other antisocial groups. These findings may indicate that the ASP/drug alcoholic has a poor long-term prognosis compared with the ASP only alcoholic, while the ASP/depressed patient has a disorder comparable in prognosis to the ASP only alcoholic.

Adult↗
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Comorbid psychiatric diagnosis and long-term drinking outcome.

This longitudinal study of alcoholics investigated which psychiatric comorbidities among alcoholics would predict very long-term drinking outcome. Previous research has yielded inconsistent findings. We hypothesized that antisocial personality characteristics alone among psychiatric comorbidities would show an association with poorer drinking outcome. The use of multiple measures of psychopathology, a relatively large sample size, and an absence of systematic treatment matching to particular patient groups were all aspects of the current study which allowed for a comprehensive examination of this issue. The study used single and multivariate correlational analyses. The setting was an inpatient Veterans Administration alcohol dependence treatment unit and follow-up clinic. Participants were 255 adult male veterans diagnosed with alcohol dependence. The predictors were the Symptom Checklist 90 (SCL), Minnesota Multiphasic Personality Inventory (MMPI), and Psychiatric Diagnostic Interview (PDI). The outcome measure was the Clinician Rating of Drinking Scale (CRDS). The study showed that antisocial personality characteristics alone were consistently associated with a worse long-term drinking outcome. However, despite the consistent presence of a statistical association between antisocial personality characteristics and a poorer long-term drinking outcome, the small size of the relationship is a very important issue which is discussed in detail.

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