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Eating disorder examination questionnaire (EDE-Q): psychometric properties and norms for the Portuguese population

Author(s): Machado, Paulo P. P. ; Martins, Carla ; Vaz, Ana Rita Rendeiro Ribeiro ; Conceição, Eva Martins ; Bastos, Ana Pinto ; Gonçalves, Sónia

Date: 2014

Persistent ID:

Origin: RepositóriUM - Universidade do Minho

Project/scholarship: info:eu-repo/grantAgreement/FCT/5876-PPCDTI/99981/PT ;

Subject(s): Psychological testing; Psychometrics; Social Sciences; Social Sciences; Social Sciences


ObjectiveThe first aim of the current study was to establish general population norms for the Portuguese version of the Eating Disorder Examination Questionnaire (EDE-Q) in a large community sample of female adolescents and young women, as well, for a diverse Eating Disorder (ED) clinical sample, and for women with obesity without an ED. A second aim of the study was to assess the discriminant validity of the EDE-Q and providing cut-off scores for the total scale and subscales.MethodA sample of female adolescents and young women (N=4091) from the general population, 416 women who met diagnostic criteria for an ED and 138 women seeking obesity treatment completed the EDE-Q.ResultsNorms for the EDE-Q global subscale were provided. Within the community sample, norms were provided for both high school and college samples. Receiver operating characteristic analysis showed that the EDE-Q total score accurately discriminate between participants with and without an ED. Current norm contributes to the clinical utility of the EDE-Q, providing both a cut-off score and reliable change index. Results showed that the EDE-Q is a reliable instrument, but the theorized four subscales structure was not supported by an explorative factor analysis.ConclusionResults will help both researchers and clinicians interpreting the EDE-Q scores and to establish comparison with data produced in different countries. Copyright (c) 2014 John Wiley & Sons, Ltd and Eating Disorders Association.

Document Type Journal article
Language English
Contributor(s) Machado, Paulo P. P.; Martins, Carla; Vaz, Ana Rita Rendeiro Ribeiro; Conceição, Eva Martins; Bastos, Ana Pinto; Gonçalves, Sónia
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