Risk factors of overweight and obesity among the infants

doi:10.11852/zgetbjzz2020-1440

Abstract

Abstract: Objective To explore the prevalence and risk factors associated with overweight and obesity among infants,so as to provide basis for the early prevention of childhood obesity. Methods Infants born from September to December 2018 in Beijing Obstetrics and Gynecology Hospital,Capital Medical University were enrolled in this study,and the maternal factors and infant growth characteristics were collected. Overweight and obesity were defined by the WHO sex-age based body mass index(BMI). Chi-square test,t-test and multivariate Logistic regression were used to analyze the data. Results A total of 3 018 infants were investigated,including 1 566(51.89%) boys and 1 452(48.11%) girls. The rates of overweight and obesity among 6-month-old infants were 10.80% (326/3 018) and 3.48%(105/3 018),respectively,while 10.11% (305/3 018) and 2.85%(86/3 018) in 12-month-old infants. Multivariate Logistic regression analysis showed that maternal pre-pregnancy BMI≥25 kg/m²(OR=1.297),gestational diabetes mellitus(OR=1.215),cesarean section(OR=1.617),macrosomia(OR=1.154),non-exclusive breastfeeding within 6 months old(OR=1.586) and excessive weight gain within 6 months old (OR=1.845) were risk factors of overweight or obesity in 12-month-old infants(P＜0.05). Conclusion Maintenance of appropriate body weight before pregnancy,reducing the incidence of gestational diabetes mellitus,cesarean section and macrosomia,increasing the rate of breastfeeding,and avoiding rapid weight gain from birth to 6 months old are of great significance to prevent the occurrence of overweight and obesity among 12-month-old infants.

Key words: infants, overweight, obesity, risk factors

摘要： 目的了解婴幼儿超重肥胖的现状,对其危险因素进行分析,为早期预防儿童超重肥胖提供依据。方法选取2018年9—12月出生于首都医科大学附属北京妇产医院的儿童为研究对象,调查母亲孕产期和儿童0~12月龄生长发育相关信息。以世界卫生组织(WHO)性别月龄别体重指数(BMI)为超重肥胖的评价标准,采用χ²检验、t检验、多因素Logistic回归分析探究婴幼儿超重肥胖的相关危险因素。结果共纳入儿童3 018人,其中男童1 566人(51.89%),女童1 452人(48.11%)。6月龄儿童超重、肥胖率为10.80%(326/3018)、3.48%(105/3 018),12月龄儿童超重、肥胖率为10.11%(305/3 018)、 2.85%(86/3 018)。多因素Logistic回归分析显示,母孕前BMI≥25 kg/m²(OR=1.297)、妊娠期糖尿病(OR=1.215)、剖宫产(OR=1.617)、巨大儿(OR=1.154)、6月龄内非纯母乳喂养(OR=1.586)及6月龄内体重快速增长(OR=1.845)是12月龄儿童超重肥胖的危险因素(P＜0.05)。结论管理孕前体重、降低妊娠期糖尿病、剖宫产及巨大儿发生率,提高母乳喂养率、避免6月龄内体重快速增长对预防婴幼儿超重肥胖有重要意义。

关键词: 婴幼儿, 超重, 肥胖, 危险因素

CLC Number:

R723.14

CHEN Xiao-zheng, LI Yi-chen. Risk factors of overweight and obesity among the infants[J]. Chinese Journal of Child Health Care, 2021, 29(7): 787-790.

陈笑征, 李一辰. 婴幼儿超重肥胖的危险因素研究[J]. 中国儿童保健杂志, 2021, 29(7): 787-790.

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