Association between temperament and body mass index two years later in preschool children based on China Family Panel Studies

doi:10.11852/zgetbjzz2023-0032

Abstract

Abstract: Objective To investigate the association between temperament and body mass index (BMI) in children, in order to provide scientific basis for designing individualized obesity intervention measures based on temperament of children in the future. Methods In the China Family Panel Studies (CFPS) database, 1 385 children who participated in the temperament questionnaire survey of children aged 1 to 3 in 2016 and had completed height and weight information in the survey in 2018 were selected as study subjects. Multiple linear regression models were used to analyze the association between scores on five temperament dimensions (activity, social inhibition, reactivity, emotionality and preoccupation) and BMI in children two years later. Results After adjusting for children's age, sex, region, baseline BMI, parental education level and depression, each one-point increase in childhood activity score was associated with a lower BMI by 0.6% two years later (95%CI: 0.004% - 1.2%, P=0.048). For every one-point increase in social inhibition scores, BMI was lower by 0.7% two years later (95% CI: 0.2% - 1.3%, P=0.013). The association did not differ between subgroups (P_interaction>0.05). The associations of early childhood reactivity, emotional and focus scores with preschool BMI were not observed (P>0.05). Conclusions Higher activity and social inhibition in children of 1 to 3 years old are associated with lower BMI in early school age. The results of this study provide preliminary scientific basis for designing individualized obesity intervention measures based on temperament of children in the future.

Key words: child temperament, body mass index, China Family Panel Studies

摘要： 目的本研究旨在探讨气质与儿童体质量指数(BMI)的关联,为基于儿童气质特点设计有针对性的肥胖早期预防性措施提供科学依据。方法在中国家庭追踪调查(CFPS)数据库中,选取2016年参加1~3岁儿童气质问卷调查并在2018年调查中身高和体质量信息完整的1 385名儿童作为研究对象。使用多元线性回归模型分别分析5个气质维度(活动性、社会抑制性、反应性、情绪性和专注性)得分与两年后儿童BMI的关联。结果校正儿童年龄、性别、地区、基线BMI、父母受教育水平和抑郁情况后,儿童在幼儿期的活动性得分每增加1分,其两年后BMI降低0.6%(95%CI:0.004%~1.2%, P=0.048);社会抑制性得分每增加1分,其两年后BMI降低0.7%(95%CI:0.2%~1.3%,P=0.013)。未发现活动性和社会抑制性得分与BMI的关联在不同亚组间存在差异(P_交互>0.05)。未发现气质的其他3个维度(反应性、情绪性和专注性)得分与学龄前BMI存在关联(P>0.05)。结论我国1~3岁幼儿较高的活动性和社会抑制性倾向与其在学龄前期较低的BMI存在关联。本研究结果为未来基于幼儿气质设计个性化肥胖干预措施提供初步科学依据。

关键词: 儿童气质, 体质量指数, 中国家庭追踪调查

CLC Number:

R179

XIAO Wucai, CHEN Jing, SHAN Rui, GUO Yawei, LIU Zheng. Association between temperament and body mass index two years later in preschool children based on China Family Panel Studies[J]. Chinese Journal of Child Health Care, 2023, 31(8): 831-835.

肖伍才, 陈敬, 单蕊, 郭雅伟, 刘峥. 儿童幼儿期气质与两年后体质量指数的关联分析:基于中国家庭追踪调查[J]. 中国儿童保健杂志, 2023, 31(8): 831-835.

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