Psychometric Properties of the Eating Disorder Inventory in Clinical and Nonclinical Populations in Taiwan

National Taiwan University, Taipei, Taiwan.
Assessment (Impact Factor: 3.29). 11/2011; 21(1). DOI: 10.1177/1073191111428761
Source: PubMed


Objective. To examine psychometric properties and investigate factor structures of the Mandarin Chinese version of the Eating Disorder Inventory (C-EDI). Method. The Mandarin C-EDI and other self-administered questionnaires were completed by a group of female eating disorder (ED) patients (n = 551) and a group of female nursing students (n = 751). Internal consistency, and convergent and discriminant validities were evaluated. Exploratory and confirmatory factor analyses were conducted to examine the construct validity of the Mandarin C-EDI. Results. The Mandarin C-EDI had good internal consistency and convergent and discriminant validities. With a few exceptions, the original clinically derived eight EDI subscales were clearly identified and the factorial validity of the first-order eight-factor structure and the second-order two-factor structure showed an acceptable degree of fit to our empirical data in clinical patients. Discussion. The findings suggest that the Mandarin C-EDI is a valid tool for clinical use in Taiwan.

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