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- Title
Dynamic Stress Responses and Real-Time Symptoms in Binge-Eating Disorder.
- Authors
Smith, Kathryn E; Mason, Tyler B; Schaefer, Lauren M; Anderson, Lisa M; Critchley, Kobe; Crosby, Ross D; Engel, Scott G; Crow, Scott J; Wonderlich, Stephen A; Peterson, Carol B
- Abstract
<bold>Background: </bold>Stress is a dynamic construct that predicts a range of health behaviors and conditions, including binge eating and excess weight. Thus far, there have been limited and inconsistent findings regarding stress responses in binge-eating disorder (BED) and insufficient consideration of temporal patterns of stress responses across the weight spectrum.<bold>Purpose: </bold>The present study used ecological momentary assessment (EMA) to examine stress reactivity (i.e., the magnitude of the initial stress response), recovery (i.e., how long the stress response lasts before returning to baseline), and pileup (i.e., accumulation of repeated experiences of stressors and responses over time) as predictors of binge-eating symptoms (BES) and food craving in BED.<bold>Methods: </bold>Adults with BED (N = 115) completed a 7 day EMA protocol assessing stressful events, perceived stress, binge eating, and food craving prior to being randomized to a behavioral intervention.<bold>Results: </bold>Generalized estimating equations indicated that moments of greater stress pileup predicted greater subsequent BES (within-person effect). Participants with higher perceived stress and pileup reported greater overall BES and craving, and those with better recovery reported higher overall craving (between-person effects).<bold>Conclusions: </bold>Findings highlight the importance of considering the dynamic nature of stress responses and, particularly, that the accumulation of stress over the day is an important trigger for BES.
- Subjects
BINGE-eating disorder; ECOLOGICAL momentary assessments (Clinical psychology); COMPULSIVE eating; HEALTH behavior; GENERALIZED estimating equations
- Publication
Annals of Behavioral Medicine, 2021, Vol 55, Issue 8, p758
- ISSN
0883-6612
- Publication type
journal article
- DOI
10.1093/abm/kaaa061