Relationships between black tea consumption and key health indicators in the world: an ecological study.
Relationships between black tea consumption and key health indicators in the world: an ecological study.
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DOI：
10.1136/bmjopen-2011-000648
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发表时间：
2012
期刊：
影响因子：
2.9
通讯作者：
Bremond-Gignac D
中科院分区：
文献类型：
--
作者：
Beresniak A;Duru G;Berger G;Bremond-Gignac D
这项研究的目的是调查世界上红茶消费量与关键健康指标之间的潜在统计关系。研究问题是：茶消费是否与一个或多个流行病学指标相关？使用系统的数据挖掘方法进行生态研究，其中分析单位是一个国家的人口。在全球范围内研究了六个变量，即红茶消费数据和呼吸道疾病、传染病、癌症、心血管疾病和糖尿病的患病率数据。对来自50个参加世界卫生调查的国家的数据进行了调查。变量之间的统计关系水平。主成分分析建立了一个非常高的贡献红茶消费参数的第三轴（81%）。相关圆证实，“红茶”向量与糖尿病向量呈负相关，与其他四项健康指标中的任何一项都不相关。然后，线性相关模型证实了高红茶消费量和低糖尿病患病率之间的显着统计相关性。这项创新的研究建立了世界上高红茶消费量和低糖尿病患病率之间的线性统计相关性。这些结果与红茶对糖尿病影响的生物学和生理学研究一致，并证实了欧洲先前的生态研究结果。需要进一步的流行病学研究和随机研究来调查因果关系。
The aim of this study was to investigate potential statistical relationships between black tea consumption and key health indicators in the world. The research question is: Does tea consumption is correlated with one or more epidemiological indicators? Ecological study using a systematic data-mining approach in which the unit of the analysis is a population of one country. Six variables, black tea consumption data and prevalence data of respiratory diseases, infectious diseases, cancer, cardiovascular diseases and diabetes, have been studied at a global level. Data from 50 participating countries in the World Health Survey were investigated. Level of statistical relationships between variables. Principal component analysis established a very high contribution of the black tea consumption parameter on the third axis (81%). The correlation circle confirmed that the ‘black tea’ vector was negatively correlated with the diabetes vector and was not correlated with any of the other four health indicators. A linear correlation model then confirmed a significant statistical correlation between high black tea consumption and low diabetes prevalence. This innovative study establishes a linear statistical correlation between high black tea consumption and low diabetes prevalence in the world. These results are consistent with biological and physiological studies conducted on the effect of black tea on diabetes and confirm the results of a previous ecological study in Europe. Further epidemiological research and randomised studies are necessary to investigate the causality.
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