journal article Jun 11, 2015

Eating Disorder Examination Questionnaire (EDE‐Q) in Norwegian Adults: Discrimination between Female Controls and Eating Disorder Patients

European Eating Disorders Review Vol. 23 No. 5 pp. 408-412 · Wiley
Abstract
AbstractObjectiveTo determine the optimal Eating Disorder Examination‐Questionnaire (EDE‐Q) global score to discriminate between female controls and patients by eating disorder (ED) diagnosis, body mass index (BMI) and age.MethodA sample of 1845 control participants and 620 patients from specialty ED treatment centres.ResultsMean global EDE‐Q was 4.00 [standard deviation (SD) = 1.32] for patients and 1.25 (SD = 1.10) for controls. Receiver operating characteristic analyses demonstrated an area under the curve of 0.93 (95% CI: 0.91–0.94), with an optimal cut‐off score of 2.50 (sensitivity = 0.86; specificity = 0.86), ranging from 2.09 for anorexia nervosa, 2.62 for bulimia nervosa and 2.63 for ED otherwise not specified. Optimal cut‐off scores also varied according to BMI, ranging from 1.62 (BMI ≤ 18.0 kg/m2) to 3.26 (BMI ≥ 30 kg/m2), with less variability for age, ranging inversely from 2.16 (>40 years) to 2.70 (<20 years).DiscussionThe global EDE‐Q score showed high discriminant validity, and findings illustrate the particular importance of considering BMI and diagnosis when applying cut‐offs based upon the EDE‐Q. Copyright © 2015 John Wiley & Sons, Ltd and Eating Disorders Association.
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Published
Jun 11, 2015
Vol/Issue
23(5)
Pages
408-412
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Cite This Article
Øyvind Rø, Deborah L. Reas, Kristin Stedal (2015). Eating Disorder Examination Questionnaire (EDE‐Q) in Norwegian Adults: Discrimination between Female Controls and Eating Disorder Patients. European Eating Disorders Review, 23(5), 408-412. https://doi.org/10.1002/erv.2372