目的 研究扬州市城区学龄前儿童腰围特征,并分析其影响因素,为我国学龄前儿童腹型超重/肥胖筛查与防治提供依据。方法 于2015年4-5月分层整群抽取7所幼儿园2 531名儿童,对家长进行问卷调查;采用集中体检的方式,测量儿童体重、身高、腰围等;对其腰围和腰围身高比进行描述性分析,并通过单因素和多因素Logistic回归分析腰围的影响因素。结果 扬州市城区学龄前儿童腰围随年龄增长逐渐增加,各年龄组男童均大于女童;女童腰围身高比随年龄增长逐渐减低,男童则有波动。单因素分析结果显示,父母体重指数(BMI)、母亲学历、儿童每日睡眠时间、户外活动时间、视屏时间等对儿童腰围有影响(P<0.05)。多因素Logistic回归分析结果显示,父母高BMI是学龄前儿童高腹围的危险因素(母亲BMI:OR=1.15,95%CI:1.09~1.18,P＜0.001;父亲BMI:OR=1.12,95%CI:1.07~1.15,P＜0.001)。结论 需逐步建立我国学龄前儿童腰围正常范围与腹型超重/肥胖腰围筛查界值点,为学龄前儿童腹型超重/肥胖筛查与防治提供依据;要控制腹型肥胖需进行以家庭为中心的饮食、生活方式的综合性干预。
Abstract
Objective To investigate the characteristics and influencing factors of waist circumference among preschool children in urban area of Yangzhou,so as to provide reference for the screening and prevention of abdominal overweight and obesity. Methods Totally 2 531 children were selected from 7 kindergartens from April to May in 2015 by stratified cluster sampling.And their parents were asked to finish a questionnaire investigation.The weight,height,waist circumference of children were measured by centralized physical examination,and were descriptively analyzed.The influencing factors of waist circumference were analyzed by univariate and multivariate Logistic regression analysis. Results Waist circumference increased gradually with age among preschool children in urban area of Yangzhou,and it was larger in boys than that in girls in each age group.Waist to height ratio in girls decreased gradually with age,while waist to height ratio in boys showed fluctuations.Univariate analysis showed that parental body mass index (BMI),maternal education,daily sleep time,outdoor activity time and screen time had influence on waist circumference of children (P<0.05).Multivariate Logistic regression analysis showed that high BMI of parents is a risk factor for high abdominal circumference in preschool children (mother BMI:OR=1.15,95%CI:1.09-1.18;father BMI:OR=1.12,95%CI:1.07-1.15). Conclusions It is supposed to establish the boundary value of normal waist circumference and waistline for abdominal overweight and obesity for preschool children in China,thereby promoting better screening and prevention of abdominal overweight/obesity.Besides,comprehensive intervention of family-centered diet and lifestyle is warranted in order to control abdominal obesity
关键词
学龄前儿童 /
腰围 /
腰围身高比 /
腹型肥胖
Key words
preschool children /
waist circumference /
waist to height ratio /
abdominal obesity
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基金
国家自然科学基金(81573168);江苏省妇幼健康科研项目(F201605)
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