Abstract summary 

Young adults in a transitional period may experience more stress and, hence, suffer from an increased risk of unhealthy eating. Executive function (EF) involves not only inhibitory control and mental flexibility (the 'cool' facet) to facilitate resistance to immediate temptations, but also affective decision making (the 'hot' facet) that helps to regulate emotional eating. The effects of different facets of EF and their interactions with perceived stress on eating behaviours remained underexplored. In this study, 594 young adults in their graduation year of post-secondary education were included. We used latent profile analysis to identify major patterns of eating behaviours and analysed their associations with perceived stress, and both the 'cool' and 'hot' facets of EF using multinominal logistic regression models. Latent profile analysis identified three clusters of eating patterns: non-approaching moderate eaters (N = 312, 52.5%), approaching eaters (N = 229, 38.6%), and approaching-and-avoidant eaters (N = 53, 8.9%). Logistic regression models found that the approaching-and-avoidant eating pattern was associated with higher perceived stress (OR = 3.16, p value = 0.007) and poorer affective decision-making (OR = 0.97, p value = 0.006). Stratified analysis further revealed that higher perceived stress was significantly associated with approaching-and-avoidant eating only among individuals with poorer affective decision-making. These findings suggest that individuals with poorer emotional regulation may face greater difficulties in regulating eating behaviours when experiencing higher stress. Interventions for people with a mixed pattern of approaching-and-avoidance eating should focus on providing support to regulate emotion-related eating.

Authors & Co-authors:  Chen Lam Yuan Dong Yang Chan Liao

Study Outcome 

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