文章摘要
毋之钰,高文静,曹卫华,吕筠,余灿清,王胜锋,黄涛,孙点剑一,廖春晓,庞元捷,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,李立明.中国成年双生子饮茶行为分布特征[J].中华流行病学杂志,2022,43(8):1241-1248
中国成年双生子饮茶行为分布特征
A descriptive analysis of tea consumption in adult twins in China
收稿日期:2021-12-10  出版日期:2022-08-13
DOI:10.3760/cma.j.cn112338-20211210-00964
中文关键词: 饮茶  双生子  遗传  环境
英文关键词: Tea consumption  Twins  Genetic factor  Environmental factor
基金项目:公益性行业科研专项(201502006,201002007);国家自然科学基金(81973126,82073633)
作者单位E-mail
毋之钰 北京大学公共卫生学院流行病与卫生统计学系, 北京 100191  
高文静 北京大学公共卫生学院流行病与卫生统计学系, 北京 100191 pkuepigwj@126.com 
曹卫华 北京大学公共卫生学院流行病与卫生统计学系, 北京 100191  
吕筠 北京大学公共卫生学院流行病与卫生统计学系, 北京 100191  
余灿清 北京大学公共卫生学院流行病与卫生统计学系, 北京 100191  
王胜锋 北京大学公共卫生学院流行病与卫生统计学系, 北京 100191  
黄涛 北京大学公共卫生学院流行病与卫生统计学系, 北京 100191  
孙点剑一 北京大学公共卫生学院流行病与卫生统计学系, 北京 100191  
廖春晓 北京大学公共卫生学院流行病与卫生统计学系, 北京 100191  
庞元捷 北京大学公共卫生学院流行病与卫生统计学系, 北京 100191  
逄增昌 青岛市疾病预防控制中心, 青岛 266033  
俞敏 浙江省疾病预防控制中心, 杭州 310051  
汪华 江苏省疾病预防控制中心, 南京 210009  
吴先萍 四川省疾病预防控制中心, 成都 610041  
董忠 北京市疾病预防控制中心, 北京 100013  
吴凡 上海市疾病预防控制中心, 上海 200336  
江国虹 天津市疾病预防控制中心, 天津 300011  
王晓节 青海省疾病预防控制中心, 西宁 810007  
刘彧 黑龙江省疾病预防控制中心, 哈尔滨 150090  
邓健 邯郸市疾病预防控制中心, 邯郸 056001  
陆林 云南省疾病预防控制中心, 昆明 650034  
李立明 北京大学公共卫生学院流行病与卫生统计学系, 北京 100191  
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中文摘要:
      目的 描述中国双生子登记系统(CNTR)成年双生子饮茶行为的分布特征,探索饮茶行为在双生子人群中的分布规律,为探究遗传和环境因素对饮茶行为的影响提供线索。方法 样本选自2010-2018年在CNTR进行登记的双生子,纳入≥18岁且具有饮茶信息的双生子共25 264对进行分析,描述双生子中饮茶行为的人群、地区分布特征,以及不同卵型双生子饮茶行为一致率和对内饮茶量差异分布情况。结果 研究对象年龄(35.38±12.45)岁,每周饮茶者占比17.0%,饮茶量(3.36±2.44)杯/d。男性、50~59岁、南方、城镇、文化程度高、双生子中先出生的个体中每周饮茶者比例较高(P<0.05),未婚者中比例较低(P<0.001)。双生子对内分析发现同卵饮茶行为一致率均大于异卵,饮茶遗传度为13.45%(11.38%~15.51%),除女性亚组外,不同性别、年龄、地区间饮茶一致率差异有统计学意义(均P<0.05);根据性别、年龄、地区分层后仅男性同卵一致率始终呈大于异卵趋势。同性别双生子对内饮茶量差异在男性中呈现同卵小于异卵的特征(P<0.05),而女性中差异不明显。结论 本研究双生子人群饮茶行为的分布存在人群和地区差异,饮茶行为主要受环境因素影响,遗传因素影响较弱,且遗传效应大小在不同性别、年龄、地区间不尽相同,性别可修饰这一遗传作用。
英文摘要:
      Objective To describe the distribution characteristics of tea consumption in adult twins recruited in the Chinese National Twin Registry (CNTR) and provide clues to genetic and environmental influences on tea consumption. Methods Enrolled in CNTR during 2010-2018, 25 264 twin pairs aged 18 years and above were included in subsequent analysis. Random effect models were used to estimate tea consumption in the population and regional distribution characteristics. The concordance rate of the behavior and difference in consumption volume of tea within pairs were also described. Results The mean age of all subjects was (35.38±12.45) years old. The weekly tea consumers accounted for 17.0%, with an average tea consumption of (3.36±2.44) cups per day. The proportion of weekly tea consumers was higher among males, 50-59 years old, southern, urban, educated, and the first-born in the twin pair (P<0.05), and lower among unmarried individuals (P<0.001). Within-pair analysis showed that the concordance rate of tea consumption of monozygotic (MZ) twins was higher than that of dizygotic (DZ) twins and the overall heritability of tea consumption was 13.45% (11.38%-15.51%). Stratified by the characteristics mentioned above, only in males, the concordance rate of MZ showed a tendency to be greater than that of DZ (all P<0.05). The differences in consumption volume of tea within twin pairs were minor in MZ among males (P<0.05), while the differences were not significant in female twins. Conclusion There were discrepancies in the distribution of tea consumption among twins of different demographic and regional characteristics. Tea consumption was mainly influenced by environmental factors and slightly influenced by genetic factors. The size of genetic factors varied with gender, age, and region, and gender was a potential modified factor.
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