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Keywords:

  • anorexia nervosa;
  • impulsivity;
  • compulsivity;
  • binge eating;
  • purging

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. Copyright © 2012 John Wiley & Sons, Ltd and Eating Disorders Association.