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. 2018 Sep;51(9):1098-1102.
doi: 10.1002/eat.22941. Epub 2018 Sep 7.

Gender differences in eating disorder psychopathology across DSM-5 severity categories of anorexia nervosa and bulimia nervosa

Lazaro V Zayas  1   2 , Shirley B Wang  1   3 , Kathryn Coniglio  1   4   5 , Kendra Becker  1   2 , Helen B Murray  1   4   5 , Eric Klosterman  6 , Brian Kay  6 , Pamela Bean  6 , Theodore Weltzin  6 , Debra L Franko  1 , Kamryn T Eddy  1   2 , Jennifer J Thomas  1   2
Affiliations

Gender differences in eating disorder psychopathology across DSM-5 severity categories of anorexia nervosa and bulimia nervosa

Lazaro V Zayas et al. Int J Eat Disord. 2018 Sep.

Abstract

Objective: This study examined whether patterns of eating-disorder (ED) psychopathology differed by gender across DSM-5 severity specifiers in anorexia nervosa (AN) and bulimia nervosa (BN).

Method: We tested whether ED psychopathology differed across DSM-5 severity specifiers among 532 adults (76% female) in a residential treatment center with AN or BN. We hypothesized that severity of ED psychopathology would increase in tandem with increasing severity classifications for both males and females with AN and BN.

Results: Among females with BN, DSM-5 severity categories were significantly associated with increasing ED psychopathology, including Eating Disorder Examination-Questionnaire dietary restraint, eating concern, shape concern, and weight concern; and Eating Disorder Inventory drive for thinness and bulimia. ED psychopathology did not differ across DSM-5 severity levels for males with BN. For both males and females with AN, there were no differences in ED psychopathology across severity levels.

Discussion: Results demonstrate that DSM-5 severity specifiers may function differently for males versus females with BN. Taken together, data suggest DSM-5 severity specifiers may not adequately capture severity, as intended, for males with BN and all with AN. Future research should evaluate additional clinical validators of DSM-5 severity categories (e.g., chronicity, treatment non-response), and consider alternate classification schemes.

Keywords: DSM-5 severity; anorexia nervosa; bulimia nervosa; gender differences.

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