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Abstract Objective This study was to examine whether sleep quality and BMI play mediating roles in the relationship of mindfulness and depressive symptoms via a cross-sectional study. Methods A total of 1182 college students were recruited. The Chinese version of the Five Facet Mindfulness Questionnaire, Pittsburgh Sleep Quality Index questionnaire, BMI, and the nine-item scale, Patient health Questionnaire-9 were used to gather data. Associations among mindfulness, sleep quality, BMI, and depressive symptoms were assessed via correlation and serial-multiple mediation analyses. Results The mindfulness, sleep quality, BMI, and depressive symptoms were found to be significantly correlated. Mindfulness can have a direct negative impact on depressive symptoms, but also an indirect impact through three paths: independent mediating role of sleep quality, independent mediating role of BMI, and chain-mediating role of sleep quality and BMI. Conclusions Mindfulness can affect depressive symptoms through improved sleep quality and decreasing BMI among college students. Interventions aimed at improving the level of mindfulness would be beneficial for sleep quality, body weight, and depressive symptoms.
Xie et al. (Fri,) studied this question.