Longitudinal stability of binge-eating type in eating disorders

Carol B Peterson, Sonja A. Swanson, Scott J Crow, James E. Mitchell, W. Stewart Agras, Katherine A. Halmi, Ross D. Crosby, Stephen A. Wonderlich, Kelly C Berg

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

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.

Original languageEnglish (US)
Pages (from-to)664-669
Number of pages6
JournalInternational Journal of Eating Disorders
Volume45
Issue number5
DOIs
StatePublished - Jul 2012

Keywords

  • Binge eating
  • Eating disorders
  • Longitudinal assessment

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