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Li P, Lyu J, Zhou S, Liu Z, Feng X, Lin Y, Gao A, Zhang F, Wang H. Association of Peer Network with Childhood Obesity in DECIDE-Children Program. Nutrients 2023; 15:4154. [PMID: 37836438 PMCID: PMC10574409 DOI: 10.3390/nu15194154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 09/12/2023] [Accepted: 09/20/2023] [Indexed: 10/15/2023] Open
Abstract
Some studies have found associations between the peer network and childhood obesity. The present study aimed to analyze the association of the peer network with obesity-related cognition, behaviors and adiposity indicators, and explore whether peer network influences the effect of a childhood-obesity intervention. Based on DECIDE-Children, 1392 children's friendship nominations within the class were collected and peer network indicators including the network size, network density, and in- and out-degree centrality were calculated. The linear mixed model was used to analyze the association between peer network indicators and children's cognition, behaviors and adiposity indicators (body mass index (BMI), BMI z score, the prevalence of overweight and obesity). Children with a higher in-degree centrality had 34.4% (95%CI: 17.4% to 48.1%) lower risk of overweight or obesity. The baseline degree centrality was inversely associated with the BMI and BMI z score at the end of the trial. For each unit increase in in-degree centrality at baseline, the BMI at the end of the trial decreased by 0.047 (95%CI: 0.015 to 0.080), and the BMI z score decreased by 0.015 (95%CI: 0.003 to 0.028). Children's popularity reflected by centrality in their peer network was associated with cognition, behaviors, and adiposity indicators. Future childhood-obesity intervention research could pay more attention to socially inactive children.
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Affiliation(s)
- Ping Li
- Department of Maternal and Child Health, School of Public Health, Peking University, Beijing 100191, China
- Peking University Health Science Center-Weifang Joint Research Center for Maternal and Child Health, Weifang 261000, China
| | - Jinlang Lyu
- Department of Maternal and Child Health, School of Public Health, Peking University, Beijing 100191, China
- Peking University Health Science Center-Weifang Joint Research Center for Maternal and Child Health, Weifang 261000, China
| | - Shuang Zhou
- Department of Maternal and Child Health, School of Public Health, Peking University, Beijing 100191, China
| | - Zheng Liu
- Department of Maternal and Child Health, School of Public Health, Peking University, Beijing 100191, China
| | - Xiangxian Feng
- Department of Preventive Medicine, Changzhi Medical College, Changzhi 046000, China
| | - Yi Lin
- Urumuqi Primary and Secondary School Health Care Center, Urumuqi 830003, China
| | - Aiyu Gao
- Dongcheng Primary and Secondary School Health Care Center, Beijing 100010, China
| | - Fang Zhang
- Mentougou Primary and Secondary School Health Care Center, Beijing 102300, China
| | - Haijun Wang
- Department of Maternal and Child Health, School of Public Health, Peking University, Beijing 100191, China
- Peking University Health Science Center-Weifang Joint Research Center for Maternal and Child Health, Weifang 261000, China
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