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      Association of early-life factors with the incidence of overweight and obesity among primary school students in Guangzhou

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          Abstract

          Objective To investigate the associations between early-life factors and the incidence of overweight and obesity and to provide a reference for childhood overweight and obesity prevention.

          Methods A total of 5 172 children aged 6-11 years from 5 primary schools in Guangzhou were enrolled using stratified random cluster sampling method. After two-years follow up, 3 315 children were included in the final analysis. Questionnaire was used to collect children’s early-life factors. Height and weight were measured objectively at baseline and follow-up.

          Results The incidence of overweight and obesity was 8.7% in children. After adjustment for confounders, results from the Logistic regression analysis showed that maternal pre-pregnancy underweight was negatively associated with the incidence of childhood overweight and obesity ( OR = 0.54, 95% CI = 0.38-0.76) ( P<0.05). While excessive gestational weight gain during pregnancy ( OR = 1.55, 95% CI = 1.14-2.10) and caesarean section ( OR = 1.30, 95% CI = 1.00-1.68) were positively associated with the incidence of childhood overweight and obesity ( P<0.05).

          Conclusion Both excess gestational weight gain and caesarean section would increase the risk of the overweight and obesity of their offspring, while maternal pre-pregnancy underweight would reduce the risk of childhood overweight and obesity.

          Abstract

          【摘要】 目的 探讨广州市 6~11 岁儿童生命早期因素与超重肥胖之间的关系, 为儿童超重肥胖的预防提供科学依据。 方法 基线采用分层整群随机抽样的方法, 于 2017 年抽取广州市 5 所小学共 5 172 名学生作为研究对象, 进行 2 年的随 访, 最终纳人学生 3 315 名。通过问卷调查收集学生的生命早期因素, 并测量基线和随访中身高和体重等指标。采用 Logistic 回归分析儿童生命早期因素与超重肥胖的关系。 结果 广州市 6~11 岁儿童超重肥胖发生率为 8.7%。校正混杂因 素后, Logistic 回归分析显示, 母亲孕前消瘦的儿童超重肥胖发生风险比母亲孕前正常体重的儿童降低了 46% ( OR = 0.54, 95% CI = 0.38~0.76); 母亲孕期增重过多的儿童超重肥胖发生风险比孕期增重正常的儿童增加了 55% ( OR = 1.55, 95% CI = 1.14~2.10); 与自然分娩儿童相比, 剖宫产的儿童超重肥胖发生风险增加了 30% ( OR = 1.30, 95% CI = 1.00~1.68) ( P 值均<0.05)。 结论 母亲孕期增重过多和剖宫产增加儿童超重肥胖的发生风险, 母亲孕前消瘦降低儿童超重肥胖的发生风险。

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          Author and article information

          Journal
          CJSH
          Chinese Journal of School Health
          Chinese Journal of School Health (China )
          1000-9817
          01 September 2021
          01 December 2021
          : 42
          : 9
          : 1403-1406
          Affiliations
          [1] 1Department of Maternal and Child Health, School of Public Health, Sun Yat-sen University, Guangzhou (510080), China
          Author notes
          *Corresponding author: CHEN Yajun, E-mail: chenyj68@ 123456mail.sysu.edu.cn
          Article
          j.cnki.1000-9817.2021.09.031
          10.16835/j.cnki.1000-9817.2021.09.031
          c089e1d9-b09d-44af-a34a-5edad5e5e160
          © 2021 Chinese Journal of School Health

          This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 Unported License (CC BY-NC 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. See https://creativecommons.org/licenses/by-nc/4.0/.

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          Self URI (journal-page): http://www.cjsh.org.cn
          Categories
          Journal Article

          Ophthalmology & Optometry,Pediatrics,Nutrition & Dietetics,Clinical Psychology & Psychiatry,Public health
          Obesity,Life cycle stages,Child,Overveight,Regression analysis

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