Association between body mass index and body fat measured by dual-energy X-ray absorptiometry (DXA) in China: a systematic review and meta-analysis
作者机构：International Obesity and Metabolic Disease Research CenterGlobal Health InstituteSchool of Public HealthXi'an Jiaotong UniversityXi'anShaanxi 710061China Nutrition and Health Promotion CenterDepartment of Public HealthMedical CollegeQinghai UniversityXiningQinghai 810061China Alive&Thrive East Asia PacificFHI 360Hanoi 11022Vietnam
出 版 物：《Global Health Journal》 (全球健康杂志（英文）)
年 卷 期：2023年第7卷第2期
页 面：61-69页
学科分类：1002[医学-临床医学] 100201[医学-内科学(含：心血管病、血液病、呼吸系病、消化系病、内分泌与代谢病、肾病、风湿病、传染病)] 10[医学]
基 金：funded in part by the United Nations Children's Fund(UNICEF)(grant number:UNICEF 2018-Nutrition-2.1.2.3) the Chinese Nutrition Society-National Nutrition Science Research Grant(grant number:CNS-NNSRG2019-97)
主 题：Body mass index Dual-energy x-ray absorptiometry Body adiposity Children Adults China
摘 要：Objective:We examined the association between body mass index(BMI)and body fat percentage(BF%)measured by dual-energy X-ray absorptiometry(DXA)among adults and children in ***:We searched four databases-PubMed,China National Knowledge Infrastructure,Wanfang,and Vip for studies published in the past 22 ***-analysis was conducted using random-or fixed-effect ***:In total of 21 studies met inclusion criteria and were included in review,and 17 ot them in *** were conducted across *** sample size ranged from 62 to 5726,and participants age ranged from 6-80 ***-analysis revealed strong associations between BMI and BF% measured by DXA in adults(pooled r=0.71,95% CI:0.66 to 0.74)and children(pooled r=0.60,95% CI:0.52 to 0.68).The association was stronger in Northern China than in East China in children(β=-0.40,95%CI:-0.65 to-0.14)and in Central China in adults(β=-0.25;95% CI:-0.51 to-0.01).Urban children s BMI was strongly associated with BF%than rural(β=0.19;95%CI:0.04 to 0.35),whereas it was stronger in adults living in rural than in urban(β=-0.35;95% CI:-0.66 to-0.05).Conclusions:BMI was strongly associated with BF%measured by DXA,and the association in children and adults in China varied by residence and region.
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