Application of the Eating Disorder Examination (EDE) to Japanese Patients with Eating Disorders : Reliability and Validity of the Japanese Version of EDE

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  • 日本の摂食障害患者に対するEating Disorder Examination (EDE)の試行 : EDE邦語版の信頼性と妥当性に関する検討

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Objective : We produced a Japanese version of the Eating Disorder Examination (EDE) and investigated its reliability and validity. Methods : EDE Japanese version was trial administered to 69 Japanese patients with eating disorders. The inter-rater reliability, internal consistency, and discriminant validity using eating disorder diagnoses as external standard were examined. Results : High inter-rater reliability was obtained for evaluation item, subscale and global scores. Satisfactory internal consistency was obtained for 4 subscales and global score. Bulimia nervosa (BN) group showed significantly higher values than anorexia nervosa (AN) group in Weight Concern, Shape Concern and Bulimia subscales. Discussion : Japanese version of EDE is a measure instrument that can be expected to have high interrater reliability and a satisfactory level of internal consistency with respect to evaluation item, subscale and global score. Three EDE subscales discriminated AN from BN, indicating EDE as a highly valid and useful evaluation method for eating disorder psychopathology. Lower scores in Japanese than Western patients for Restraint, Weight Concern and Shape Concern in AN and Restraint in BN suggested cross-cultural issues.

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