The purpose of this study was to investigate the effect of dietary restraint on binge eating through disinhibition and the difference in mediating effect of disinhibition by neuroticism. A total of 254 female adults were asked to complete the Dutch Eating Behavior Questionnaire, Korean version of Eysenck Personality Questionnaire-Neuroticism, and Binge Eating Scale. Results reveal significant positive correlations between dietary restraint, neuroticism, disinhibition, and binge eating. Additionally, the effect of dietary restraint on binge eating was fully mediated by disinhibition. The effect of neuroticism on disinhibition was significant in high, but not low, neuroticism. Also, the mediating effect of disinhibition on the relationship between dietary restraint and binge eating was significant in high, but not low, neuroticism. That is, dietary restraint has a greater risk of binge eating due to disinhibition, and this risk may increase in the high level of neuroticism. This study explains the psychological mechanism that restrained eating contributes to binge eating, and suggests that interventions for binge eating should strongly consider risk factors.
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