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The classification of body dysmorphic disorder symptoms in male and female adolescents

Schneider, SC, Baille, AJ, Mond, JM ORCID: 0000-0002-0410-091X, Turner, CM and Hudson, JL 2018 , 'The classification of body dysmorphic disorder symptoms in male and female adolescents' , Journal of Affective Disorders, vol. 225 , pp. 429-437 , doi: 10.1016/j.jad.2017.08.06.

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Background: Body dysmorphic disorder (BDD) was categorised in DSM-5 within the newly created ‘obsessivecompulsiveand related disorders’ chapter, however this classification remains subject to debate. Confirmatoryfactor analysis was used to test competing models of the co-occurrence of symptoms of BDD, obsessive-compulsivedisorder, unipolar depression, anxiety, and eating disorders in a community sample of adolescents, andto explore potential sex differences in these models.Methods: Self-report questionnaires assessing disorder symptoms were completed by 3149 Australian adolescents.The fit of correlated factor models was calculated separately in males and females, and measurementinvariance testing compared parameters of the best-fitting model between males and females.Results: All theoretical models of the classification of BDD had poor fit to the data. Good fit was found for a novelmodel where BDD symptoms formed a distinct latent factor, correlated with affective disorder and eating disorderlatent factors. Metric non-invariance was found between males and females, and the majority of factorloadings differed between males and females. Correlations between some latent factors also differed by sex.Limitations: Only cross-sectional data were collected, and the study did not assess a broad range of DSM-5 definedeating disorder symptoms or other disorders in the DSM-5 obsessive-compulsive and related disorderschapter.Conclusions: This study is the first to statistically evaluate competing models of BDD classification. The findingshighlight the unique features of BDD and its associations with affective and eating disorders. Future studiesexamining the classification of BDD should consider developmental and sex differences in their models.

Item Type: Article
Authors/Creators:Schneider, SC and Baille, AJ and Mond, JM and Turner, CM and Hudson, JL
Keywords: Body dysmorphic disorder, Adolescent, Comorbidity, Confirmatory factor analysis
Journal or Publication Title: Journal of Affective Disorders
Publisher: Elsevier Science Bv
ISSN: 0165-0327
DOI / ID Number: 10.1016/j.jad.2017.08.06
Copyright Information:

© 2017 Published by Elsevier B.V.

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