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J Am Acad Child Adolesc Psychiatry. 2011 Jun;50(6):543-53. doi: 10.1016/j.jaac.2011.01.021. Epub 2011 Apr 22.

Does ADHD predict substance-use disorders? A 10-year follow-up study of young adults with ADHD.

Author information

  • 1Clinical and Research Program in Pediatric Psychopharmacology, Massachusetts General Hospital, Boston MA 02114, USA. twilens@partners.org

Abstract

OBJECTIVE:

High rates of substance-use disorders (SUD) have been found in samples of adolescents and adults with attention-deficit/hyperactivity disorder (ADHD). Predictors of SUD in children with ADHD who are at risk for the development of SUDs remain understudied. The main aims of this study were to identify clinically meaningful characteristics of children that predicted the future development of SUDs and to see whether the role of these characteristics varied by sex.

METHOD:

Subjects were children and adolescents with (n = 268; mean age ± standard deviation = 10.9 ± 3.2 years) and without (n = 229; mean age 11.9 ± 3.3 years) DSM-III-R ADHD followed prospectively and blindly over a 10-year follow-up period onto young adult years. Subjects were assessed with structured diagnostic interviews for psychopathology and SUDs.

RESULTS:

Over the 10-year follow-up period, ADHD was found to be a significant predictor of any SUD (hazards ratio 1.47; 95% confidence interval 1.07-2.02; p = .01) and cigarette smoking (2.38; 1.61-3.53; p < .01). Within ADHD, comorbid conduct disorder (2.74; 1.66-4.52; p < .01) and oppositional defiant disorder (2.21; 1.40-3.51; p < .01) at baseline were also found to be significant predictors of SUDs. Similar results were found for cigarette-, alcohol-, and drug-use disorders. There were few meaningful sex interaction effects. No clinically significant associations were found for any social or family environment factors or for cognitive functioning factors (p > .05 for all comparisons).

CONCLUSIONS:

These results indicate that ADHD is a significant risk factor for the development of SUDs and cigarette smoking in both sexes.

Copyright © 2011 American Academy of Child and Adolescent Psychiatry. Published by Elsevier Inc. All rights reserved.

PMID:
21621138
[PubMed - indexed for MEDLINE]
PMCID:
PMC3104208
Free PMC Article

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