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Psychiatric comorbidity in treatment-seeking substance use disorder patients with and without attention deficit hyperactivity disorder: results of the IASP study: Comorbidity in SUD patients with ADHD

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This paper is available in a repository.

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Abstract

AimsTo determine comorbidity patterns in treatment-seeking substance use disorder (SUD) patients with and without adult attention deficit hyperactivity disorder (ADHD), with an emphasis on subgroups defined by ADHD subtype, taking into account differences related to gender and primary substance of abuse. DesignData were obtained from the cross-sectional International ADHD in Substance use disorder Prevalence (IASP) study. SettingForty-seven centres of SUD treatment in 10 countries. ParticipantsA total of 1205 treatment-seeking SUD patients. MeasurementsStructured diagnostic assessments were used for all disorders: presence of ADHD was assessed with the Conners' Adult ADHD Diagnostic Interview for DSM-IV (CAADID), the presence of antisocial personality disorder (ASPD), major depression (MD) and (hypo)manic episode (HME) was assessed with the Mini International Neuropsychiatric Interview-Plus (MINI Plus), and the presence of borderline personality disorder (BPD) was assessed with the Structured Clinical Interview for DSM-IV Axis II (SCID II). FindingsThe prevalence of DSM-IV adult ADHD in this SUD sample was 13.9%. ASPD [odds ratio (OR)=2.8, 95% confidence interval (CI)=1.8-4.2], BPD (OR=7.0, 95% CI=3.1-15.6 for alcohol; OR=3.4, 95% CI=1.8-6.4 for drugs), MD in patients with alcohol as primary substance of abuse (OR=4.1, 95% CI=2.1-7.8) and HME (OR=4.3, 95% CI=2.1-8.7) were all more prevalent in ADHD(+) compared with ADHD(-) patients (P ConclusionsTreatment-seeking substance use disorder patients with attention deficit hyperactivity disorder are at a very high risk for additional externalizing disorders.