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Validity of exercise measures in adults with anorexia dervosa: the EDE, compulsive exercise test and other self-report scales

Young, Sarah; Touyz, Stephen; Meyer, Caroline; Arcelus, Jon; Rhodes, Paul; Madden, Sloane; Pike, Kathleen; Attia, Evelyn; Crosby, Ross D.; Wales, Jackie; Hay, Phillipa

Authors

Sarah Young

Stephen Touyz

Caroline Meyer

JON ARCELUS ALONSO Jon.Arcelus@nottingham.ac.uk
Clinical Professor in Mental Health & Transgender Health

Paul Rhodes

Sloane Madden

Kathleen Pike

Evelyn Attia

Ross D. Crosby

Jackie Wales

Phillipa Hay



Abstract

Objective: Compulsive exercise is a prominent feature for the majority of patients with Anorexia Nervosa (AN), but there is a dearth of research evaluating assessment instruments. This study assessed the concurrent validity of the exercise items of the Eating Disorder Examination (EDE) and Eating Disorder Examination‐Questionnaire (EDE‐Q), with the Compulsive Exercise Test (CET) and other self‐report exercise measures in patients with AN. We also aimed to perform validation of the CET in an adult clinical sample.
Methods: The sample consisted of 78 adults with AN, recruited for the randomized controlled trial “Taking a LEAP forward in the treatment of anorexia nervosa.” At baseline, participants completed the EDE, EDE‐Q, CET, Reasons for Exercise Inventory (REI), Commitment to Exercise Scale (CES) and Exercise Beliefs Questionnaire (EBQ). Correlational and regression analyses were performed.
Results: EDE exercise days and exercise time per day were positively correlated with each other and with all CET subscales (except Lack of exercise enjoyment), CES mean, EBQ total and REI total. Exercise time per day was associated with a higher EDE global score. The CET demonstrated good concurrent validity with the CES, the REI and the EBQ. Of the self‐reports, the CET explained the greatest variance in eating disorder psychopathology and demonstrated good to excellent reliability in this sample.
Discussion: The EDE and EDE‐Q demonstrated good concurrent validity with the CET. Further research is required to evaluate the CET's factor structure in a large clinical sample. However, the CET has demonstrated strong clinical utility in adult patients with AN.

Journal Article Type Article
Publication Date May 1, 2017
Journal International Journal of Eating Disorders
Print ISSN 0276-3478
Publisher Wiley
Peer Reviewed Peer Reviewed
Volume 50
Issue 5
Pages 533-541
APA6 Citation Young, S., Touyz, S., Meyer, C., Arcelus, J., Rhodes, P., Madden, S., …Hay, P. (2017). Validity of exercise measures in adults with anorexia dervosa: the EDE, compulsive exercise test and other self-report scales. International Journal of Eating Disorders, 50(5), 533-541. doi:10.1002/eat.22633
DOI https://doi.org/10.1002/eat.22633
Publisher URL https://onlinelibrary.wiley.com/doi/full/10.1002/eat.22633
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