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Monday, February 13, 2012

Prevalence and Determinants of Personality Disorders in a Clinical Sample of Alcohol-, Drug-, and Dual-Dependent Patients

The present study compares the prevalence rates of 12 personality disorders (PDs) among patients with alcohol, drug, and dual dependence through chi-square tests and analyses of variance. It further investigates possible predictors of these PDs through multiple linear regression analyses.

Data were gathered in 2007–2008 among 274 patients admitted to intensive, residential substance abuse treatment programs in Belgium, using the ADP-IV (Assessment of DSM-IV Personality Disorders), the EuropASI (European version of the Addiction Severity Index), and the MINI (Mini International Neuropsychiatric Interview).

The analyses showed that drug- and dual-dependent patients have higher PD prevalence rates than alcohol-dependent patients.

The severity, but not the nature of the dependence, appears as an important predictor for personality pathology.

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