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28-05-2020 | Brief Report

Mindfulness moderates daily stress and comfort food snacking linkages: a multilevel examination

Auteurs: Lucy Finkelstein-Fox, Katherine E. Gnall, Crystal L. Park

Gepubliceerd in: Journal of Behavioral Medicine | Uitgave 6/2020

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Abstract

Stress is often associated with poor diet in young adulthood. However, very few studies have examined whether snacking on non-nutritious sweet or salty “comfort food” is directly linked with daily stress, a common intervention target. Further, trait mindfulness, a psychological resource that may be enhanced by psychological training and regular practice, has yet to be tested as a moderator of daily stress-eating linkages. This 11-day daily diary study examined multilevel linkages between daily stress appraisals and comfort food eating in undergraduates. Daily stress appraisals positively predicted comfort food eating at the between-, but not within-person, level. Mindfulness moderated these effects, such that only more mindful participants demonstrated a negative association between within-person stress and comfort food eating. Results illustrate that chronic stress exposure and acute stress reactivity relate differently to eating behavior. Mindfulness and chronic stress may be key intervention targets for non-clinical groups at risk for unhealthy eating.
Voetnoten
1
Post-hoc analyses revealed that 5 (2.0%) participants did not eat comfort food on any of the 11 study days, providing a total of 30 daily observations (1.3%). Across participants, there were 411 days when no comfort food was eaten (18.4%). Although including a “6+” response categorical option limits our ability to understand high levels of comfort food eating at the daily level, item-level responses of 6+ were very rare (between 0.04 and 0.4%) and thus this decision likely had minimal impact on results reported here.
 
2
Scaled residuals, standardized residual plots, and AIC/BIC were initially examined to compare the appropriateness of gaussian, poisson, negative binomial, zero-inflated poisson, and zero-inflated negative binomial distributions for the observed data. Negative binomial and zero-inflated negative binomial distributions demonstrated similar model fit; thus, the more parsimonious negative binomial model was preferred for conceptual interpretability and appropriateness for a priori hypotheses (Allison, 2012).
 
Literatuur
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Metagegevens
Titel
Mindfulness moderates daily stress and comfort food snacking linkages: a multilevel examination
Auteurs
Lucy Finkelstein-Fox
Katherine E. Gnall
Crystal L. Park
Publicatiedatum
28-05-2020
Uitgeverij
Springer US
Gepubliceerd in
Journal of Behavioral Medicine / Uitgave 6/2020
Print ISSN: 0160-7715
Elektronisch ISSN: 1573-3521
DOI
https://doi.org/10.1007/s10865-020-00164-z