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The Compulsive Exercise Test : confirmatory factor analysis and links with eating psychopathology among women with clinical eating disorders

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Meyer, Caroline, Plateau, Carolyn R., Taranis, Lorin, Brewin, Nicola, Wales, Jackie and Arcelus, Jon (2016) The Compulsive Exercise Test : confirmatory factor analysis and links with eating psychopathology among women with clinical eating disorders. Journal of Eating Disorders, 4 (1). pp. 1-9. 22. doi:10.1186/s40337-016-0113-3

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Abstract

Background:
This study aimed to determine the psychometric properties of the Compulsive Exercise Test (CET) among an adult sample of patients with eating disorders.

Method:
Three hundred and fifty six patients and 360 non-clinical control women completed the CET and the Eating Disorders Examination questionnaire (EDE-Q).

Results:
A confirmatory factor analysis revealed that the clinical data showed a moderate fit to the previously published five factor model derived from a community sample (Taranis L, Touyz S, Meyer C, Eur Eat Disord Rev 19:256-268, 2011). The clinical group scored significantly higher than the non-clinical group on four of the five CET subscales, and logistic regression analysis revealed that the CET could successfully discriminate between the two groups. A Receiver Operating Curve analysis revealed that a cut-off score of 15 on the CET resulted in acceptable values of both sensitivity and specificity.

Conclusions:
The CET appears to have a factor structure that is acceptable for use with an adult sample of patients with eating disorders. It can identify compulsive exercise among patients with eating disorders and a cut-off score of 15 is acceptable as indicating an appropriate cut-off point.

Item Type: Journal Article
Subjects: R Medicine > RC Internal medicine
Divisions: Faculty of Medicine > Warwick Medical School
Faculty of Science > WMG (Formerly the Warwick Manufacturing Group)
Library of Congress Subject Headings (LCSH): Exercise addiction, Eating disorders in women
Journal or Publication Title: Journal of Eating Disorders
Publisher: BioMed Central Ltd.
ISSN: 2050-2974
Official Date: 19 August 2016
Dates:
DateEvent
19 August 2016Published
27 August 2016Accepted
12 April 2016Submitted
Volume: 4
Number: 1
Number of Pages: 9
Page Range: pp. 1-9
Article Number: 22
DOI: 10.1186/s40337-016-0113-3
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access
Funder: Loughborough University

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