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J Psychiatr Res. 2017 Feb;85:49-55. doi: 10.1016/j.jpsychires.2016.10.018. Epub 2016 Oct 22.

Examining the association between attention deficit hyperactivity disorder and substance use disorders: A familial risk analysis.

Author information

1
Pediatric Psychopharmacology Program, Division of Child Psychiatry, Massachusetts General Hospital, Boston, MA 02114, USA; Department of Psychiatry, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA. Electronic address: ayule@partners.org.
2
Pediatric Psychopharmacology Program, Division of Child Psychiatry, Massachusetts General Hospital, Boston, MA 02114, USA.
3
Department of Psychiatry, SUNY Upstate Medical University, Syracuse, NY 13210, USA; Department of Neuroscience and Physiology, SUNY Upstate Medical University, Syracuse, NY 13210, USA; K.G. Jebsen Centre for Research on Neuropsychiatric Disorders, University of Bergen, Bergen, Norway.
4
Pediatric Psychopharmacology Program, Division of Child Psychiatry, Massachusetts General Hospital, Boston, MA 02114, USA; Department of Psychiatry, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA.

Abstract

OBJECTIVE:

The main aim of this study was to use familial risk analysis to examine the association between attention deficit hyperactivity disorder (ADHD) and substance use disorders (SUDs) attending to sex effects and the specificity of alcohol and drug use disorder risks.

METHODS:

Subjects were derived from two longitudinal case-control family studies of probands aged 6-17 years with and without DSM-III-R ADHD of both sexes and their first degree relatives followed from childhood onto young adult years. Cox proportional hazard models were used to estimate rates of ADHD and SUDs (any SUD, alcohol dependence, and drug dependence). Logistic regression was used to test both co-segregation and assortative mating.

RESULTS:

Our sample included 404 probands (ADHD: 112 boys and 96 girls; Control: 105 boys and 91 girls) and their 1336 relatives. SUDs in probands increased the risk for SUDs in relatives irrespective of ADHD status. The risk for dependence to drug or alcohol in relatives was non-specific. There was evidence that even in the absence of a SUD in the proband, ADHD by itself increased the risk of SUDs in relatives. Proband sex did not moderate the familial relationship between ADHD and SUDs. There was evidence of co-segregation between ADHD and SUD.

CONCLUSIONS:

Findings indicate that various independent pathways are involved in the transmission of SUD in ADHD and that these risks were not moderated by proband sex. ADHD children and siblings should benefit from preventive and early intervention strategies to decrease their elevated risk for developing a SUD.

KEYWORDS:

Attention deficit hyperactivity disorder; Co-segregation; Familial risk; Substance use disorder

PMID:
27835739
PMCID:
PMC5191927
DOI:
10.1016/j.jpsychires.2016.10.018
[Indexed for MEDLINE]
Free PMC Article

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