| 彭和香,高文静,吕筠,余灿清,黄涛,孙点剑一,廖春晓,逄增昌,俞敏,汪华,吴先萍,董忠,吴凡,江国虹,王晓节,刘彧,邓健,陆林,曹卫华,李立明.中国成年双生子体质指数的分布特征[J].Chinese journal of Epidemiology,2021,42(7):1160-1166 |
| 中国成年双生子体质指数的分布特征 |
| A descriptive analysis on body mass index distribution in adult twin pairs in China |
| Received:September 16, 2020 |
| DOI：10.3760/cma.j.cn112338-20200916-01164 |
| KeyWord: 体质指数 双生子 肥胖/超重 分布现况 |
| English Key Word: Body mass index Twins Obesity and overweight Population distributions |
| FundProject:公益性行业科研专项（201502006，201002007） |
| Author Name | Affiliation | E-mail | | Peng Hexiang | Department of Epidemiology and Biostatistc, School of Public Health, Peking University, Beijing 100191, China | | | Gao Wenjing | Department of Epidemiology and Biostatistc, School of Public Health, Peking University, Beijing 100191, China | pkuepigwj@126.com | | Lyu Jun | Department of Epidemiology and Biostatistc, School of Public Health, Peking University, Beijing 100191, China | | | Yu Canqing | Department of Epidemiology and Biostatistc, School of Public Health, Peking University, Beijing 100191, China | | | Huang Tao | Department of Epidemiology and Biostatistc, School of Public Health, Peking University, Beijing 100191, China | | | Sun Dianjianyi | Department of Epidemiology and Biostatistc, School of Public Health, Peking University, Beijing 100191, China | | | Liao Chunxiao | Department of Epidemiology and Biostatistc, School of Public Health, Peking University, Beijing 100191, China | | | Pang Zengchang | Qingdao Municipal Center for Disease Control and Prevention, Qingdao 266033, China | | | Yu Min | Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310051, China | | | Wang Hua | Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, China | | | Wu Xianping | Sichuan Center for Disease Control and Prevention, Chengdu 610041, China | | | Dong Zhong | Beijing Center for Disease Control and Prevention, Beijing 100013, China | | | Wu Fan | Shanghai Municipal Center for Disease Control and Prevention, Shanghai 200336, China | | | Jiang Guohong | Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China | | | Wang Xiaojie | Qinghai Center for Disease Control and Prevention, Xining 810007, China | | | Liu Yu | Heilongjiang Provincial Center for Disease Control and Prevention, Harbin 150030, China | | | Deng Jian | Handan Center for Disease Control and Prevention, Handan 056001, China | | | Lu Lin | Yunnan Center for Disease Control and Prevention, Kunming 650034, China | | | Cao Weihua | Department of Epidemiology and Biostatistc, School of Public Health, Peking University, Beijing 100191, China | | | Li Liming | Department of Epidemiology and Biostatistc, School of Public Health, Peking University, Beijing 100191, China | |
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| Abstract: |
| 目的 描述中国双生子登记系统（CNTR）成年双生子BMI的分布特征，探索BMI在双生子人群中的特殊分布规律，为超重及肥胖高危因素分析和制定防制策略提供线索和基础资料。方法 选自CNTR中2010-2018年完成问卷调查的双生子对，纳入≥ 18岁具有完整双生子对登记信息，且身高、体重等关键变量无缺失或异常者进行分析，共计32 725对成年双生子。描述CNTR项目成年双生子BMI的人群、地区分布特征及双生子对内成员BMI差异的分布现况。结果 研究对象年龄（34.6±12.4）岁，同性别双生子对79.7%。研究对象平均BMI为22.5 kg/m2，超重率为23.7%，肥胖率为4.9%。男性、50~59岁组、北方地区、低文化程度者、在婚者的双生子超重率和肥胖率相对更高（P<0.001）。同卵和异卵间差异无统计学意义，但先出生的双生子超重和肥胖率略高于后出生者（P<0.05）。同性别双生子对内分析发现，对内BMI差异与年龄呈正相关（趋势性检验P<0.001），异卵差异高于同卵，且卵型间差异随年龄增长发生变化。BMI一致率存在卵型差异（P<0.05），同卵高于异卵。结论 本研究的双生子人群BMI的分布存在人群和地区差异；BMI为可遗传的性状，且遗传作用可能随年龄而变化。 |
| English Abstract: |
| Objective To describe the differences in body mass index (BMI) distribution in adult twins registered in Chinese National Twin Registry (CNTR), and provide evidence for the risk factor analysis and prevention and control of overweight or obesity. Methods A total of 32 725 twin pairs aged 18 years and above who completed the questionnaire survey during 2010-2018 and had complete registered information in CNTR and normal body weight and length were included in the analysis on the population and region specific distributions of BMI of twin pairs and the difference in BMI in twin pairs. Results The twin pairs included in the analysis were aged (34.6±12.4) years, the twin pairs of same gender accounted for 79.7%. The average BMI was 22.5 kg/m2. The overall prevalence of obesity and overweight was 4.9% and 23.7%, respectively. Participants who were men, 50-59 years old, married, had lower education level, and lived in northern China had higher overweight rate and obesity rate (P<0.001). The difference in overweight or obesity prevalence between monozygotic (MZ) twin pars and dizygotic (DZ) twin pairs was not significant, but firstborn twin pairs had slightly higher rates of overweight and obesity than later-born twin pairs (P<0.05). The analysis in same gender-twin pairs indicated that the difference in BMI was associated with age (trend test:P<0.001), and the difference was more obvious in DZ twin pair in MZ pair and this difference increased with age. The concordant rate of BMI was higher in MZ twin pairs than DZ twin pairs (P<0.05). Conclusion The distribution of BMI of twin pairs varied with population and region and BMI varied with age due to its genetic nature. |
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