A pilot study examining diagnostic differences among exercise and weight suppression in bulimia nervosa and binge eating disorder.

European Eating Disorders Review : the Journal of the Eating Disorders Association
Brian J CookPauline Powers

Abstract

The objective of this study was to investigate diagnostic differences in weight suppression (e.g., the difference between one's current body weight and highest non-pregnancy adult body weight) and exercise among Bulimia Nervosa (BN) and Binge Eating Disorder (BED). Because exercise may be a key contributor to weight suppression in BN, we were interested in examining the potential moderating effect of exercise on weight suppression in BN or BED. Participants with BN (n = 774) and BED (n = 285) completed self-report surveys of weight history, exercise and eating disorder symptoms. Generalised linear model analyses were used to examine the associations among diagnosis, exercise frequency and their interaction on weight suppression. Exercise frequency and BN/BED diagnosis were both associated with weight suppression. Additionally, exercise frequency moderated the relationship between diagnosis and weight suppression. Specifically, weight suppression was higher in BN than in BED among those with low exercise frequency but comparable in BN and BED among those with high exercise frequency. Our results suggest that exercise frequency may contribute to different weight suppression outcomes among BN and BED. This may inform clinical impl...Continue Reading

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Citations

Mar 31, 2018·The International Journal of Eating Disorders·Marco SolmiAngela Favaro
Aug 30, 2018·Current Psychiatry Reports·Michael R LoweLeora Benson
Feb 13, 2021·Journal of Mental Health·Claire McAulayStephen Touyz

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