期刊
INTERNATIONAL JOURNAL OF EATING DISORDERS
卷 46, 期 2, 页码 140-146出版社
WILEY
DOI: 10.1002/eat.22054
关键词
eating disorders; bulimia nervosa; history of anorexia nervosa; subtyping; classification; exercise
资金
- NHLBI NIH HHS [T32 HL007456] Funding Source: Medline
- NIDDK NIH HHS [P30 DK050456] Funding Source: Medline
- NIMH NIH HHS [R01 MH059674, T32 MH082761] Funding Source: Medline
Objective: Some investigators have suggested subtyping bulimia nervosa (BN) by anorexia nervosa (AN) history. We examined trait-level and momentary eating-related and psychosocial factors in BN with and without an AN history. Method: Interview, questionnaire, and ecological momentary assessment data of eating-related and psychological symptoms were collected from 122 women with BN, including 43 with (BN+) and 79 without an AN history (BN). Results: Body mass index (kg/m2) was lower in BN+ than BN (p = 0.001). Groups did not differ on trait-level anxiety, shape/weight concerns, psychiatric comorbidity, or dietary restraint; or on momentary anxiety, dietary restriction, binge eating, purging, or exercise frequency, or affective patterns surrounding binge/purge behaviors. Negative affect increased prior to exercise and decreased thereafter in BN+ but not BN, although groups did not statistically differ. Discussion: Results do not support formally subtyping BN by AN history. Exercise in BN+ may modulate negative affect, which could have important treatment implications. (c) 2012 by Wiley Periodicals, Inc. (Int J Eat Disord 2013)
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