Objective To investigate current status of dietary intake of children and adolescents in Beijing, and to assess its association with body fat, so as to provide evidence for making scientific strategies for children's dietary management. Methods A total of 14 945 children and adolescents aged 6 to 16 years were selected from 30 schools in Miyun, Tongzhou, Fangshan and Dongcheng districts of Beijing by using a stratified cluster sampling method from November 2017 to January 2018, including 7 483 (50.1%) boys. The survey contents included questionnaire survey (general demographic characteristics, life behavior variables, socioeconomic variables, etc.) and Physical examination (height, weight measurement and body fat test). According to the 2010 American Heart Association Criteria, the status of dietary was categorized as poor, intermediate and ideal. Results The proportions of children and adolescents with ideal, intermediate and poor dietary status were 19.4%, 52.8% and 27.8%, respectively. Fat mass index and fat mass percentage decreased with poor to ideal dietary status after adjusting for confounding factors (β=-0.081, -0.286, Ptrend<0.05). Conclusions The dietary status of children and adolescents aged 6 to 16 years in Beijing is not optimistic, and poor dietary status may affect fat accumulation among children. Therefore, targeted dietary guidance should be put forward at family, school and social levels to reduce the risk of obesity in children and adolescents.
Key words
adolescents /
dietary status /
body fat /
obesity /
children
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