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Comorbidity

Published online by Cambridge University Press:  01 January 1999

Adrian Angold ,
E. Jane Costello  and
Alaattin Erkanli
Adrian Angold
Affiliation:
Duke University Medical Center, Durham, U.S.A.
E. Jane Costello
Affiliation:
Duke University Medical Center, Durham, U.S.A.
Alaattin Erkanli
Affiliation:
Duke University Medical Center, Durham, U.S.A.
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Abstract

We review recent research on the prevalence, causes, and effects of diagnostic comorbidity among the most common groups of child and adolescent psychiatric disorders; anxiety disorders, depressive disorders, attention deficit hyperactivity disorders, oppositional defiant and conduct disorders, and substance abuse. A meta-analysis of representative general population studies provides estimates of the strength of associations between pairs of disorders with narrower confidence intervals than have previously been available. Current evidence convincingly eliminates methodological factors as a major cause of comorbidity. We review the implications of comorbidity for understanding the development of psychopathology and for nosology.

Keywords

Diagnosiscomorbiditychildadolescentnosology
Type
Research Article
Information
The Journal of Child Psychology and Psychiatry and Allied Disciplines , Volume 40 , Issue 1 , January 1999 , pp. 57 - 87
Copyright
© 1999 Association for Child Psychology and Psychiatry

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