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P01-306-Adhd, gender, and psychiatric comorbidity in a populaiton-based birth cohort

Published online by Cambridge University Press:  16 April 2020

K. Yoshimasu ,
W.J. Barbaresi ,
R.C. Colligan ,
J.M. Killian ,
R.G. Voigt ,
A.L. Weaver  and
S.K. Katusic
K. Yoshimasu
Affiliation:
Division of Epidemiology, Department of Health Sciences Research, Mayo Clinic, Rochester, MN
W.J. Barbaresi
Affiliation:
Division of Developmental Medicine, Department of Medicine, Children's Hospital Boston, Boston, MA
R.C. Colligan
Affiliation:
Department of Psychiatry and Psychology
J.M. Killian
Affiliation:
Division of Biomedical Statistics and Informatics, Department of Health Sciences Research
R.G. Voigt
Affiliation:
Division of Developmental and Behavioral Pediatrics, Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, MN, USA
A.L. Weaver
Affiliation:
Division of Biomedical Statistics and Informatics, Department of Health Sciences Research
S.K. Katusic
Affiliation:
Division of Epidemiology, Department of Health Sciences Research, Mayo Clinic, Rochester, MN

Abstract

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Introduction

ADHD is frequently associated with comorbid psychiatric disorders. However, epidemiologic studies in the general population are rare.

Objective

To evaluate associations between ADHD and comorbid psychiatric disorders using research-identified incident ADHD cases and population-based controls.

Method

Subjects included a birth cohort of all children born 1976-1982 remaining in Rochester, MN after age five (n = 5718). Among them we identified 379 ADHD incident cases and 758 age-sex matched non-ADHD controls, passively followed to age 19. Through a systematic, multistaged process, utilizing detailed, routinely collected data, all psychiatric diagnoses confirmed by medical professionals were identified (n = 314 ADHD cases, n = 712 controls with research authorization). For each psychiatric disorder, cumulative incidence rates for subjects with and without ADHD were calculated; corresponding hazard ratios (HR) adjusted for sex, mothers age/education, were estimated using a Cox model. Associations between ADHD status and Internalizing-Externalizing dimensions were estimated using odds ratios (OR).

Results

ADHD was associated with significantly increased risk for adjustment disorders (HR = 3.82), conduct disorder/oppositional defiant disorder (HR = 9.45), mood disorders (HR = 3.57), anxiety disorders (HR = 2.95), tic disorders (HR = 6.41), eating disorders (HR = 5.52), personality disorders (HR = 5.49), and substance-related disorders (HR = 4.04). When psychiatric comorbidities were classified on the Internalizing-Externalizing dimension, ADHD was strongly associated with coexisting internalizing/externalizing (OR = 10.6, vs none), and externalizing-only (OR = 10.0), disorders. No significant gender x ADHD interactions were observed.

Conclusion

This population-based study confirms that children with ADHD are at significant risk for co-morbid psychiatric disorders. Besides treating the ADHD, clinicians should assess and monitor potential psychiatric comorbidities in children with ADHD.

Type
Research Article
Information
European Psychiatry , Volume 26 , Issue S2: Abstracts of the 19th European Congress of Psychiatry , March 2011 , pp. 308
Copyright
Copyright © European Psychiatric Association2011
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