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Eat Behav. 2012 Dec;13(4):305-9. doi: 10.1016/j.eatbeh.2012.09.002. Epub 2012 Sep 19.

Norms and discriminative validity of the Eating Disorder Examination Questionnaire (EDE-Q).

Author information

1
Center for Eating Disorders Ursula, Leidschendam, Leidschendam, The Netherlands. J.aardoom@centrumeetstoornissen.nl

Abstract

The first aim of this study was to provide norms for the Eating Disorder Examination Questionnaire (EDE-Q) in a diverse and large clinical sample of individuals with an eating disorder (ED), and a general population sample without an ED. Norms for individuals with obesity without an ED were also provided, as a more relevant comparison group for individuals with binge eating disorder. The second aim was to investigate the discriminative validity of the EDE-Q. A sample of females with an ED (N=935), women from the general population without an ED (N=235), and obese females without an ED (N=321) completed the EDE-Q. Explorative factor analyses did not support the theorized four subscales of the EDE-Q. Norms for EDE-Q global scores were provided for each of the three samples. Within the ED sample, norms were provided separately for patients with different ED diagnoses. Receiver operating characteristic analyses showed the EDE-Q global score to be highly accurate in discriminating individuals with an ED from those without, and moderately accurate in discriminating individuals with binge eating disorder from those with obesity. The presented norms contribute to a more accurate interpretation of EDE-Q scores, providing an index of the severity level of ED psychopathology. Furthermore, these norms can be used to assess clinical significant change during treatment. In addition, this study demonstrates that the EDE-Q, when using its global score, is a valid instrument to assess levels of ED psychopathology.

PMID:
23121779
DOI:
10.1016/j.eatbeh.2012.09.002
[Indexed for MEDLINE]

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