Background Recent decades have shown a rapid increase in the prevalence of overweight and obesity among Chinese children based on several national surveys.Restrictions due to the coronavirus disease 2019 outbreak have...Background Recent decades have shown a rapid increase in the prevalence of overweight and obesity among Chinese children based on several national surveys.Restrictions due to the coronavirus disease 2019 outbreak have worsened its epidemiol-ogy.This review updates the trends in the prevalence of overweight and obesity among Chinese children and adolescents and analyzes the underlying reasons to provide evidence for better policy making.Methods Studies published in English and Chinese were retrieved from PubMed,Google Scholar,China National Knowl-edge Infrastructure andWanfang.Results The prevalence of overweight and obesity has been increasing for decades and varies with age,sex and geography but is more pronounced in primary school students.The increase in obesity in boys appeared to be slower,whereas that in girls showed a declining trend.The northern areas of China have persistently maintained the highest levels of obesity with a stable trend in recent years.Meanwhile,the prevalence in eastern regions has dramatically increased.Notably,the overall prevalence of obesity in children has shown a stabilizing trend in recent years.However,the occurrence of obesity-related metabolic diseases increased.The effect of migrants floating into east-coast cities should not be neglected.Conclusions The high prevalence of overweight and obesity among Chinese children and adolescents persists but with vary-ing patterns.Obesity-related metabolic diseases occur more frequently despite a stable trend of obesity.Multiple factors are responsible for the changing prevalence.Thus,comprehensive and flexible policies are needed to effectively manage and prevent the burden of obesity and its related complications.展开更多
基金supported by the National Key Research and Development Program of China(Nos.2021YFC2701901 and 2016YFC1305301)National Natural Science Foundation of China(Nos.81570759 and 81270938)Zhejiang Provincial Key Disciplines of Medicine(Innovation Discipline,No.11-CX24).
文摘Background Recent decades have shown a rapid increase in the prevalence of overweight and obesity among Chinese children based on several national surveys.Restrictions due to the coronavirus disease 2019 outbreak have worsened its epidemiol-ogy.This review updates the trends in the prevalence of overweight and obesity among Chinese children and adolescents and analyzes the underlying reasons to provide evidence for better policy making.Methods Studies published in English and Chinese were retrieved from PubMed,Google Scholar,China National Knowl-edge Infrastructure andWanfang.Results The prevalence of overweight and obesity has been increasing for decades and varies with age,sex and geography but is more pronounced in primary school students.The increase in obesity in boys appeared to be slower,whereas that in girls showed a declining trend.The northern areas of China have persistently maintained the highest levels of obesity with a stable trend in recent years.Meanwhile,the prevalence in eastern regions has dramatically increased.Notably,the overall prevalence of obesity in children has shown a stabilizing trend in recent years.However,the occurrence of obesity-related metabolic diseases increased.The effect of migrants floating into east-coast cities should not be neglected.Conclusions The high prevalence of overweight and obesity among Chinese children and adolescents persists but with vary-ing patterns.Obesity-related metabolic diseases occur more frequently despite a stable trend of obesity.Multiple factors are responsible for the changing prevalence.Thus,comprehensive and flexible policies are needed to effectively manage and prevent the burden of obesity and its related complications.
