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Prevalence of Anxiety and Depressive Disorders among Youth with Intellectual Disabilities: A Systematic Review and Meta-Analysis


Prevalence of Anxiety and Depressive Disorders among Youth with Intellectual Disabilities: A Systematic Review and Meta-Analysis

Maïano, Christophe, Coutu, Sylvain, Tracey, Danielle, Bouchard, Stéphane, Lepage, Geneviève, Morin, Alexandre J.S. and Moullec, Grégory (2018) Prevalence of Anxiety and Depressive Disorders among Youth with Intellectual Disabilities: A Systematic Review and Meta-Analysis. Journal of Affective Disorders . ISSN 01650327 (In Press)

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Official URL: https://doi.org/10.1016/j.jad.2018.04.029


Background; The purpose of this meta-analytic study was to determine the pooled prevalence estimates of anxiety and depressive disorders among children and adolescents with intellectual disabilities (ID) and to assess the extent to which these pooled prevalence rates differed according to studies’ characteristics.

Method; A systematic literature search was performed in nine databases and 20 studies, published between 1975 and 2015, met the inclusion criteria.

Results; The resulting pooled prevalence estimates of combined subtypes of anxiety and depressive disorders were respectively (a) 5.4% and 2.8% across samples; (b) 1.2% and 0.03% among children; and (c) 7.9% and 1.4% among adolescents. Pooled prevalence estimates for specific subtypes of anxiety disorders ranged from (a) 0.2% to 11.5% across samples; (b) 0.7% to 17.6% among children; and (c) 0.6% to 19.8% among adolescents. Pooled prevalence estimates of dysthymic disorder and major depressive disorder were respectively (a) 3.4% and 2.5% across samples; (b) 2.1% and 3.2% among children; and (c) 6.9% and 5.7% among adolescents. Finally, subgroup analyses showed significant variations in the pooled prevalence estimates of combined subtypes of anxiety disorders, obsessive-compulsive disorder, and generalized anxiety disorder; and combined subtypes of depressive disorders.

Limitations; The present findings of this meta-analysis should be interpreted with caution given several limitations related to the characteristics of the populations, diagnosis method and sampling method.

Conclusion; Findings provide recommendations for future studies investigating psychological disorders among youth with ID, as well as how clinicians and policy makers can improve diagnostic practices and support for youth with ID.

Divisions:Concordia University > Faculty of Arts and Science > Psychology
Item Type:Article
Authors:Maïano, Christophe and Coutu, Sylvain and Tracey, Danielle and Bouchard, Stéphane and Lepage, Geneviève and Morin, Alexandre J.S. and Moullec, Grégory
Journal or Publication:Journal of Affective Disorders
Date:4 April 2018
  • Social Sciences and Humanities Research Council of Canada
  • Australian Research Council
Digital Object Identifier (DOI):10.1016/j.jad.2018.04.029
Keywords:Diagnostic criteria; Informant; Intellectual disability level; Moderation; Psychological disorders
ID Code:983709
Deposited On:10 Apr 2018 19:43
Last Modified:04 Apr 2019 00:00


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