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. 2012 May;20(3):e129-36.
doi: 10.1002/erv.2161. Epub 2012 Feb 20.

Understanding the association of impulsivity, obsessions, and compulsions with binge eating and purging behaviours in anorexia nervosa

Elizabeth R Hoffman  1 , Danielle A Gagne, Laura M Thornton, Kelly L Klump, Harry Brandt, Steve Crawford, Manfred M Fichter, Katherine A Halmi, Craig Johnson, Ian Jones, Allan S Kaplan, James E Mitchell, Michael Strober, Janet Treasure, D Blake Woodside, Wade H Berrettini, Walter H Kaye, Cynthia M Bulik
Affiliations

Understanding the association of impulsivity, obsessions, and compulsions with binge eating and purging behaviours in anorexia nervosa

Elizabeth R Hoffman et al. Eur Eat Disord Rev. 2012 May.

Abstract

Objective: To further refine our understanding of impulsivity, obsessions, and compulsions in anorexia nervosa (AN) by isolating which behaviours--binge eating, purging, or both--are associated with these features.

Methods: We conducted regression analyses with binge eating, purging, and the interaction of binge eating with purging as individual predictors of scores for impulsivity, obsessions, and compulsions in two samples of women with AN (n = 1373).

Results: Purging, but not binge eating, was associated with higher scores on impulsivity, obsessions, and compulsions. Purging was also associated with worst eating rituals and with worst eating preoccupations.

Conclusion: Our results suggest that purging, compared with binge eating, may be a stronger correlate of impulsivity, obsessions, and compulsions in AN.

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