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- Title
Behavioral, emotional, and situational context of purging episodes in anorexia nervosa.
- Authors
Goldschmidt, Andrea B.; Accurso, Erin C.; Schreiber‐Gregory, Deanna N.; Crosby, Ross D.; Cao, Li; Engel, Scott G.; Mitchell, James E.; Crow, Scott J.; Peterson, Carol B.; Le Grange, Daniel; Wonderlich, Stephen A.
- Abstract
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. © 2015 Wiley Periodicals, Inc. (Int J Eat Disord 2015; 48:341-344)
- Subjects
ILLINOIS; MINNESOTA; NORTH Dakota; ANOREXIA nervosa; CONTROL (Psychology); AFFECT (Psychology); BULIMIA; CHI-squared test; FORECASTING; INTERVIEWING; RESEARCH methodology; MEDICAL cooperation; CLASSIFICATION of mental disorders; PROBABILITY theory; QUESTIONNAIRES; RESEARCH; RESEARCH funding; PSYCHOLOGY of the sick; PSYCHOLOGICAL stress; WOMEN'S health; BODY mass index; DATA analysis software; DESCRIPTIVE statistics
- Publication
International Journal of Eating Disorders, 2015, Vol 48, Issue 3, p341
- ISSN
0276-3478
- Publication type
Article
- DOI
10.1002/eat.22381