Influence of Psychiatric Comorbidity on HIV Risk Behaviors

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Abstract
This study evaluated whether psychiatric comorbidity is related to change in HIV high risk behaviors during outpatient drug abuse treatment. Participants were opioid abusers entering methadone treatment. Psychiatric and substance use diagnoses were determined at intake. Information on HIV high risk drug use and sexual behaviors, psychosocial functioning, and urine toxicology was assessed at intake and at month six. Subjects were divided into those with versus without a lifetime comorbid non-substance use psychiatric disorder. The comorbid group reported more injection equipment sharing, lower rates of condom use, and higher rates of alcohol use at intake and follow-up. Overall injection drug use behavior decreased over the follow-up period for both groups, however. Methadone treatment had a beneficial effect on HIV risk behaviors, and though some risk behaviors improved signiticantly for both groups, comorbid subjects continued to have higher rates of HIV risk factors than noncomorbid subjects.