Association between lifestyle and fat mass index in different positions of children and adolescents
Objective To explore the association between lifestyle and fat mass index(FMI)in different positions of children and adolescents aged 7-18,so as to provide a scientific basis for health promotion in children and adolescents.Methods A total of 1 531 students aged 7-18 was selected by intentional sampling from 4 schools in Tongzhou District,Beijing from September to December in 2020 and August in 2022.Questionnaire survey was used to collect lifestyle including dietary behavior,moderate to vigorous physical activity,smoke and drink behaviors,sleep time and sleep quality.Dual energy X-ray absorptiometry was employed to assess fat mass,and calculated total,android,trunk,hip,gynoid and leg fat mass index(FMI).The t-test and Chi-square test were used to compare the differences of different lifestyle.Logistic regression was used to analysis association between lifestyle and body composition in different positions.Results Compared with healthy lifestyle,unhealthy lifestyle had higher risk for high-trunk FMI(OR=1.40,P＜0.05).After adjusted for sex and age,unhealthy lifestyle had higher risk for high-total FMI,high-android FMI,high-trunk FMI(OR=1.37,1.37,1.50,P＜0.05),compared with healthy lifestyle.Stratified analysis found the associations between unhealthy lifestyle and high-total FMI,high-android FMI,high-trunk FMI,and high-thigh FMI were only significant in girls with 7-12 years old(OR=2.13,2.46,2.13,2.13,P＜0.05).Conclusions Unhealthy lifestyle is associated with high-total FMI,high-android FMI and high-trunk FMI.A healthy lifestyle should be maintained during puberty,especially before puberty,to help children and adolescents reduce body fat and promote a balanced distribution of body composition.
Life styleFat mass indexGrowth and developmentRegression analysisChildAdolescent
万方数据
维普
