Behavioral, emotional, and situational context of purging episodes in anorexia nervosa

Andrea B. Goldschmidt, Erin C. Accurso, Deanna N. Schreiber-Gregory, Ross D. Crosby, Li Cao, Scott G. Engel, James E. Mitchell, Scott J. Crow, Carol B. Peterson, Daniel Le Grange, Stephen A. Wonderlich

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Objective: The current study examined behavioral, emotional, and situational factors involved in purging among women with anorexia nervosa (AN). Method: Women with AN (n=118) completed a two-week ecological momentary assessment protocol involving daily reports of eating disorder behaviors, mood, and stressful events. Generalized estimating equations examined the likelihood and context of purging following eating episodes involving both overeating and loss of control (binge eating; BE); loss of control only (LOC); overeating only (OE); and neither loss of control nor overeating (non-pathological eating; NE). Results: Relative to NE, purging was more likely to occur following BE, LOC, and OE (Wald chi-square = 18.05; p < .001). BE was more strongly associated with subsequent purging than LOC but not OE; the latter two did not differ from one another. Negative affect predicted purging following NE (Wald chi-square = 7.71; p = .005). Discussion: Binge eating involving large amounts of food was the strongest predictor of purging in AN, which challenges the notion that loss of control is the most salient aspect of experiencing distress in bulimia nervosa and BE disorder. Parallel to findings from the BE literature, negative affect strongly predicted purging following NE. Further research should clarify the function and triggers of purging in AN.

Original languageEnglish (US)
Pages (from-to)341-344
Number of pages4
JournalInternational Journal of Eating Disorders
Volume48
Issue number3
DOIs
StatePublished - Apr 1 2015

Keywords

  • anorexia nervosa
  • binge eating
  • compensatory behaviors
  • ecological momentary assessment
  • loss of control
  • overeating
  • purging

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