ArticleBioPsychoSocial medicine2025
The grit personality trait, eating behavior, and obesity among Japanese adults: a cross-sectional study.
Article in BioPsychoSocial medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- The Chinese translation and cross-cultural adaptation of the adult Grit Psychological Resources Scale.Frontiers in psychology · 2026Article
- Communicative and critical health literacy and eating behaviors in Japanese adults predominantly over 40: the modifying role of body image distortion.BioPsychoSocial medicine · 2025Article
- The Mediating Effect of Grit in the Relationship Between Middle School Students' Trust in Their Physical Education Teachers and Health-Promoting Behaviors: Evidence from Korea.Healthcare (Basel, Switzerland) · 2025Article
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Abstract
backgroundObesity is a chronic disease influenced by genetic, cultural, environmental, and psychosocial factors, making it difficult to manage through individual effort alone. Despite this complexity, obesity is often attributed to a lack of willpower and poor control over eating behaviors, contributing to stigma. However, research on this issue remains limited. This study quantified the extent to which multidimensional eating behaviors statistically explained the association between obesity and grit, which shared characteristics with self-control.
methodsWe conducted a cross-sectional study involving Japanese adults across a wide range of age groups. Grit was measured using the 8-item Short Grit Scale. Multidimensional eating behaviors were measured using the Japanese version of the 21-item Three-Factor Eating Questionnaire-R21, including uncontrolled eating, emotional eating, and cognitive restraint. Obesity was defined as a body mass index ≥ 25.0 kg/m
resultsOf the 1,641 adults, 26.8% had obesity. Higher grit level was associated with a lower likelihood of obesity, less uncontrolled and emotional eating, and higher cognitive restraint. Grit was positively associated with cognitive restraint and negatively associated with uncontrolled and emotional eating; these multidimensional eating behaviors statistically accounted for the association between grit and obesity. Uncontrolled and emotional eating fully accounted for the association, whereas cognitive restraint partially accounted for it. These findings are consistent with the possibility of mediation through eating behavior in the relation between grit and obesity.
conclusionsOur findings suggest that healthcare providers and policymakers should prioritize addressing multidimensional eating behaviors that explain the link between grit and obesity rather than on grit itself. Identifying and managing impairments in eating behavior rather than attributing obesity to an individual's lack of willpower may help reduce stigma and support effective obesity prevention strategies.
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