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Drug Alcohol Depend. 2012 Apr 1;122(1-2):11-9. doi: 10.1016/j.drugalcdep.2011.12.007. Epub 2011 Dec 30.

Prevalence of attention-deficit hyperactivity disorder in substance use disorder patients: a meta-analysis and meta-regression analysis.

Author information

  • 1Arkin Mental Health and Addiction Treatment Centre, Amsterdam, The Netherlands. katelijne.van.oortmerssen@arkin.nl

Abstract

CONTEXT:

Substance use disorders (SUD) are a major public health problem. Attention deficit hyperactivity disorder (ADHD) is a comorbid condition associated with both onset and prognosis of SUD. Prevalence estimates of ADHD in SUD vary significantly.

OBJECTIVE:

To obtain a best estimate of the prevalence of ADHD in SUD populations.

DATA SOURCES:

A literature search was conducted using MEDLINE, PsycINFO and EMBASE. Search terms were ADHD, substance-related disorders, addiction, drug abuse, drug dependence, alcohol abuse, alcoholism, comorbidity, and prevalence. Results were limited to the English language.

STUDY SELECTION:

After assessing the quality of the retrieved studies, 29 studies were selected. Studies in which nicotine was the primary drug of abuse were not included.

DATA EXTRACTION:

All relevant data were extracted and analysed in a meta-analysis. A series of meta-regression analyses was performed to evaluate the effect of age, primary substance of abuse, setting and assessment procedure on the prevalence of ADHD in a variety of SUD populations.

DATA SYNTHESIS:

Overall, 23.1% (CI: 19.4-27.2%) of all SUD subjects met DSM-criteria for comorbid ADHD. Cocaine dependence was associated with lower ADHD prevalence than alcohol dependence, opioid dependence and other addictions. Studies using the DICA or the SADS-L for the diagnosis of ADHD showed significantly higher comorbidity rates than studies using the KSADS, DISC, DIS or other assessment instruments.

CONCLUSIONS:

ADHD is present in almost one out of every four patients with SUD. The prevalence estimate is dependent on substance of abuse and assessment instrument.

Copyright © 2011 Elsevier Ireland Ltd. All rights reserved.

PMID:
22209385
[PubMed - indexed for MEDLINE]
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