• Simon B Sherry, Paul L Hewitt, Avi Besser, Brandy J McGee, and Gordon L Flett.
• Department of Psychology, University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z4.
• Int J Eat Disord. 2004 Jan 1; 35 (1): 69-79.

ObjectiveThe purpose of this study was to demonstrate the existence and the importance of the distinction between self-oriented and socially prescribed perfectionism in the Eating Disorder Inventory Perfectionism subscale (EDI-P).MethodTrait perfectionism, measured by the EDI-P, and eating disorder symptoms, measured by the 26-item Eating Attitudes Test, were examined in 220 university students (110 women and 110 men) belonging to a campus-based fitness facility.ResultsConfirmatory factor analysis indicated that, for both genders, the EDI-P is best represented by a multidimensional factor structure with three self-oriented perfectionism items (EDI-SOP) and three socially prescribed perfectionism items (EDI-SPP). Structural equation modeling demonstrated that, for both genders, EDI-SOP and EDI-SPP are related independently to eating disorder symptoms. Moderational analysis indicated that, for women, the impact of EDI-SOP on eating disorder symptoms is dependent on the level of EDI-SPP.DiscussionIt is suggested that future research should acknowledge the empirical and theoretical implications of having EDI-SOP and EDI-SPP in the EDI-P. It is cautioned that EDI-SOP and EDI-SPP are a partial representation of an already published multidimensional model of trait perfectionism.Copyright 2003 by Wiley Periodicals, Inc. Int J Eat Disord 35: 69-79, 2004.

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