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Eur Eat Disord Rev. 2016 Nov;24(6):541-545. doi: 10.1002/erv.2483. Epub 2016 Sep 27.

Self-Discrepancy and Eating Disorder Symptoms Across Eating Disorder Diagnostic Groups.

Author information

1
Department of Clinical Research, Neuropsychiatric Research Institute, Fargo, ND, USA. tmason@nrifargo.com.
2
Department of Clinical Research, Neuropsychiatric Research Institute, Fargo, ND, USA.
3
Department of Psychiatry and Behavioral Science, University of North Dakota School of Medicine and Health Sciences, Fargo, ND, USA.
4
Department of Psychology and Neuroscience, Duke University, Durham, NC, USA.
5
Department of Psychiatry, University of Minnesota Medical School, Minneapolis, MN, USA.
6
The Emily Program, St. Paul, MN, USA.
7
Department of Psychiatry, University of California San Francisco School of Medicine, San Francisco, CA, USA.
8
Department of Psychiatry, University of Wisconsin-Madison, Madison, WI, USA.
9
VA South Central Mental Illness Research, Education and Clinical Center; VA HSR&D Center for Innovations in Quality, Effectiveness and Safety (IQuEST); Department of Psychiatry, Baylor College of Medicine, Houston, TX, USA.

Abstract

This study examined self-discrepancy, a construct of theoretical relevance to eating disorder (ED) psychopathology, across different types of EDs. Individuals with anorexia nervosa (AN; n = 112), bulimia nervosa (BN; n = 72), and binge eating disorder (BED; n = 199) completed semi-structured interviews assessing specific types of self-discrepancies. Results revealed that actual:ideal (A:I) discrepancy was positively associated with AN, actual:ought (A:O) discrepancy was positively associated with BN and BED, and self-discrepancies did not differentiate BN from BED. Across diagnoses, A:O discrepancy was positively associated with severity of purging, binge eating, and global ED psychopathology. Further, there were significant interactions between diagnosis and A:O discrepancy for global ED psychopathology and between diagnosis and A:I discrepancy for binge eating and driven exercise. These results support the importance of self-discrepancy as a potential causal and maintenance variable in EDs that differentiates among different types of EDs and symptom severity.

KEYWORDS:

anorexia nervosa; binge eating disorder; bulimia nervosa; eating disorders; self-discrepancy

PMID:
27670130
PMCID:
PMC5293148
DOI:
10.1002/erv.2483
[Indexed for MEDLINE]
Free PMC Article

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