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Comorbidity of intellectual disability and mental disorder in children and adolescents:a systematic review

Einfeld, S L and Ellis, L and Emerson, Eric (2011) Comorbidity of intellectual disability and mental disorder in children and adolescents:a systematic review. Journal of Intellectual & Developmental Disability, 36 (2). pp. 137-143. ISSN 1469-9532

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Abstract

Background Mental disorder and intellectual disability each accounts for substantial burden of disease. However, the extent of this co-occurrence varies substantially between reports. We sought to determine whether studies in children and/or adolescents with acceptably rigorous methods can be distinguished from existing reports, and whether key risk factors could be ascertained. Method Published studies investigating the prevalence of mental disorders in children and/or adolescents with intellectual disability were reviewed. Results Nine studies with acceptable methods were identified, 4 which compared the prevalence of mental disorder in populations of those with and without intellectual disability, and a further 5 studies that estimated the rates of mental disorder in those with intellectual disability were identified. Collectively, these studies demonstrate rates of comorbidity for children and adolescents between 30 and 50% with a relative risk of mental disorder associated with intellectual disability ranging from 2.8–4.5. The risks for this comorbidity associated with age, gender, severity of intellectual disability, and socioeconomic status remain uncertain. Conclusions Appreciation of this comorbidity needs to be a fundamental component of both mental health and intellectual disability services.

Item Type: Article
Journal or Publication Title: Journal of Intellectual & Developmental Disability
Uncontrolled Keywords: intellectual disability ; mental disorder ; psychopathology ; prevalence ; children ; adolescents
Subjects: UNSPECIFIED
Departments: Faculty of Health and Medicine > Health Research
ID Code: 49119
Deposited By: ep_importer_pure
Deposited On: 25 Jul 2011 09:04
Refereed?: Yes
Published?: Published
Last Modified: 26 Mar 2013 18:12
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/49119

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