Ecological momentary assessment of bulimia nervosa: Does dietary restriction predict binge eating?

Christie Zunker, Carol B. Peterson, Ross D. Crosby, Li Cao, Scott G. Engel, James E. Mitchell, Stephen A. Wonderlich

Research output: Contribution to journalArticlepeer-review

45 Scopus citations

Abstract

The purpose of this study was to examine the relationship between caloric restriction (CR) and binge eating (BE) using ecological momentary assessment (EMA). Participants included 133 women with bulimia nervosa (BN) who completed an EMA protocol for 2 weeks. Logistic regression analyses tested whether CR increased the probability of BE episodes. The results revealed that the odds of BE increased on the day that restriction occurred as well as on the following day. In addition, both restriction and BE on one day predicted the likelihood of BE the subsequent day, but restriction for two days prior to the episode failed to add additional information for predicting BE. These findings support the cognitive behavioral therapy (CBT) model of BN, suggesting that self-reported dietary restriction is predictive of subsequent BE episodes, and that reducing dietary restriction in treatment may lead to improvements in bulimic symptoms.

Original languageEnglish (US)
Pages (from-to)714-717
Number of pages4
JournalBehaviour Research and Therapy
Volume49
Issue number10
DOIs
StatePublished - Oct 2011

Bibliographical note

Funding Information:
This project was funded by grant R01-MH-59674 from the National Institute of Mental Health awarded to the Neuropsychiatric Research Institute (Dr. Wonderlich).

Keywords

  • Binge eating
  • Bulimia nervosa
  • Caloric restriction
  • Ecological momentary assessment

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