Psychoactive substance use disorders in adults with attention deficit hyperactivity disorder (ADHD): effects of ADHD and psychiatric comorbidity

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Abstract
OBJECTIVE: The authors evaluated the association between attention deficit hyperactivity disorder (ADHD) and psychoactive substance use disorders in adults with ADHD, attending to comorbidity with mood, anxiety, and antisocial disorders. It was hypothesized that psychiatric comorbidity would be a risk factor for psychoactive substance use disorders. METHOD: Findings for 120 referred adults with a clinical diagnosis of childhood-onset ADHD were compared with those for non-ADHD adult comparison subjects (N = 268). All childhood and adult diagnoses were obtained by structured psychiatric interviews for DSM-III-R. RESULTS: There was a significantly higher lifetime risk for psychoactive substance use disorders in the ADHD adults than in the comparison subjects (52% versus 27%). Although the two groups did not differ in the rate of alcohol use disorders, the ADHD adults had significantly higher rates of drug and drug plus alcohol use disorders than the comparison subjects. ADHD significantly increased the risk ...