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Assessment, Vol. 10, No. 3, 228-236 (2003)
DOI: 10.1177/1073191103255001

Psychometric Properties of the Eating Disorders Inventory-2 among Women Seeking Treatment for Binge Eating Disorder

Giorgio A. Tasca

University of Ottawa, Ottawa Hospital, and Carleton Univesity, gtasca{at}ottawahospital.on.ca

Vanessa Illing

University of Ottawa

Vanessa Lybanon-Daigle

Ottawa Health Research Institute

Hany Bissada

University of Ottawa, Ottawa Hospital

Louise Balfour

University of Ottawa, Ottawa Hospital

Psychometric properties of the Eating Disorders Inventory-2 (EDI-2) when used for women with Binge Eating Disorder (BED) are assessed. The EDI-2 was administered to 144 outpatients seeking treatment for BED and 152 outpatients seeking treatment for Bulimia Nervosa (BN). Most EDI-2 scales had acceptable internal consistence for both the BED and BN samples. EDI-2 scales demonstrated adequate stability within a subsample of those with BED who were retested. Confirmatory factor analyses revealed a hypothesized second-order two-factor structure for the original EDI scales for the BED group but not for those with BN. When the provisional EDI-2 scales were included, a two-factor structure was not supported for any group. Some scales differentiated the BED from the BN sample, and the second-order factors correlated with measures of similar constructs. The original EDI scales can be used reliably for those with BED.

Key Words: eating disorders • Eating Disorders Inventory • binge eating disorder • bulimia nervosa • confirmatory factor analysis


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