Journal article
The momentary interplay of affect, attention bias, and expectancies as predictors of binge eating in the natural environment
The International journal of eating disorders, v 53(4), pp 586-594
01 Apr 2020
PMID: 32083337
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Objective Affect regulation, eating expectancies, and attention toward food-related cues are interrelated constructs that have been implicated in the maintenance of binge eating. While these processes show considerable temporal variability, the momentary associations between these domains have not been elucidated. This study examined a model that posited momentary fluctuations in affect, eating expectancies, and attention bias (AB) would interact to predict subsequent binge eating.
Method Forty women who endorsed recurrent binge eating completed a 10-day ecological momentary assessment protocol with ambulatory measures of AB (i.e., dot-probe task with palatable food and neutral cues) and self-report assessments of positive and negative affect, eating expectancies (i.e., the belief that eating would improve one's mood), and binge-eating symptoms.
Results Generalized linear mixed models indicated higher momentary AB toward palatable food was associated with increased risk of subsequent binge eating, and a two-way interaction showed that moments of higher eating expectancies and negative affect were associated with increased likelihood of subsequent binge eating. Also, a three-way interaction emerged, in that the association between eating expectancies and subsequent binge eating was strongest at lower levels of positive affect and higher AB.
Discussion Together, findings partially supported hypotheses and demonstrate meaningful within-person fluctuations in AB that precede binge eating. Further, results demonstrate that the momentary influence of eating expectancies on binge eating depends on both affective state and attentional processes.
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Details
- Title
- The momentary interplay of affect, attention bias, and expectancies as predictors of binge eating in the natural environment
- Creators
- Kathryn E. Smith - University of Southern CaliforniaTyler B. Mason - University of Southern CaliforniaAdrienne Juarascio - Drexel UniversityNoam Weinbach - University of HaifaRobert Dvorak - University of Central FloridaRoss D. Crosby - University of North DakotaStephen A. Wonderlich - University of North Dakota
- Publication Details
- The International journal of eating disorders, v 53(4), pp 586-594
- Publisher
- Wiley
- Number of pages
- 9
- Grant note
- T32MH082761 / National Institute of Mental Health; United States Department of Health & Human Services; National Institutes of Health (NIH) - USA; NIH National Institute of Mental Health (NIMH)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Center for Weight, Eating and Lifestyle Science (WELL) [Historical]
- Web of Science ID
- WOS:000514738200001
- Scopus ID
- 2-s2.0-85083535660
- Other Identifier
- 991019168891904721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Nutrition & Dietetics
- Psychiatry
- Psychology
- Psychology, Clinical