Interaction effects of co-consumption of fast food and sugar-sweetened beverages on psychological symptoms: Evidence from a nationwide survey among Chinese adolescents.
2020
Abstract Background: Although fast food and sugar-sweetened beverages (SSBs) consumption have been closely linked to childhood and adolescent obesity, the data regarding their co-consumption and relationship to mental health remains controversial. Methods: A multi-centered population-based survey was conducted among Chinese adolescents from grades 7 to 12. Data about participants’ consumption of fast foods and SSBs were obtained from self-reported questionnaires. Psychological symptoms were assessed using the Multi-dimensional Sub-health Questionnaire of Adolescents (MSQA). The association between co-consumption of fast food and SSBs and psychological symptoms was assessed using quantile regression analysis, adjusting for covariates. Results: Approximately one-fifth of the 14,500 participants reported psychological symptoms. The regression coefficient (β) value increased as the quantile of fast food, SSBs, and co-consumption increased in the quantile regression model, and the model had an excellent goodness-of-fit (F = 192.51, p Limitations: Information bias is inevitable in self-reported data among participants. The ability to assess causal relationships is reduced by a cross-sectional study design. Conclusions: Our findings suggest that co-consumption of fast food and SSBs was cross-sectionally associated with mental health problems among adolescents.
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