Longitudinal stability of binge-eating type in eating disorders

Authors

  • Carol B. Peterson PhD,

    Corresponding author
    1. Department of Psychiatry, University of Minnesota Medical School, Minneapolis, Minnesota
    • Department of Psychiatry, University of Minnesota Medical School, F282/2A West, 2450 Riverside Avenue South, Minneapolis, MN 55454
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  • Sonja A. Swanson ScM,

    1. Department of Psychiatry, University of Minnesota Medical School, Minneapolis, Minnesota
    2. Department of Epidemiology, Harvard School of Public Health, Boston, Massachusetts
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  • Scott J. Crow MD,

    1. Department of Psychiatry, University of Minnesota Medical School, Minneapolis, Minnesota
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  • James E. Mitchell MD,

    1. Department of Clinical Research, Neuropsychiatric Research Institute and Department of Clinical Neuroscience, University of North Dakota School of Medicine Fargo, North Dakota
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  • W. Stewart Agras MD,

    1. Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, California
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  • Katherine A. Halmi MD,

    1. Department of Psychiatry, Weill Medical College, Cornell University, White Plains, New York
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  • Ross D. Crosby PhD,

    1. Department of Clinical Research, Neuropsychiatric Research Institute and Department of Clinical Neuroscience, University of North Dakota School of Medicine Fargo, North Dakota
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  • Stephen A. Wonderlich PhD,

    1. Department of Clinical Research, Neuropsychiatric Research Institute and Department of Clinical Neuroscience, University of North Dakota School of Medicine Fargo, North Dakota
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  • Kelly C. Berg PhD

    1. Department of Psychiatry, University of Minnesota Medical School, Minneapolis, Minnesota
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  • Presented at the Annual Meeting of the Eating Disorders Research Society, October 9, 2010 in Cambridge, Massachusetts.

Abstract

Objective:

The purpose of this study was to examine the 2-year longitudinal stability of objective bulimic (binge eating) episodes (OBEs) and subjective bulimic (binge eating) episodes (SBEs) in a multisite eating disorders sample.

Method:

Participants included 288 females with eating disorder symptoms who were assessed every 6 months using the Eating Disorder Examination.

Results:

Markov modeling revealed considerable longitudinal variability between types of binge eating over 6-month time intervals with relatively higher probability estimates for consistency between OBEs and SBEs than specific transitions between types for the overall sample as well as for eating disorder diagnostic groups. Transition patterns examining all five time points indicated notable variability in binge-eating patterns among participants.

Discussion:

These findings suggest that although longitudinal patterns of binge types are variable among individuals with eating disorders, consistency in OBEs and SBEs was the most common pattern observed. © 2012 by Wiley Periodicals, Inc. Int J Eat Disord 2012.

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