Green tea intake and the risk of hypertension in premenopausal women: the TCLSIH cohort study

医学 前瞻性队列研究 危险系数 混淆 比例危险模型 队列 队列研究 低风险 内科学 人口 置信区间 流行病学 环境卫生
作者
Quan Jing,Tingjing Zhang,Yeqing Gu,Ge Meng,Qing Zhang,Haibo Liu,Hongmei Wu,Shunming Zhang,Xuena Wang,Juanjuan Zhang,Shaomei Sun,Xing Wang,Ming Zhou,Qiyu Jia,Kun Song,Kaijun Niu
出处
期刊:Food & Function [Royal Society of Chemistry]
卷期号:14 (9): 4406-4413 被引量:1
标识
DOI:10.1039/d2fo03342a
摘要

Background and aims: Tea polyphenols, such as green tea polyphenols, have been extensively studied as agents that ameliorate cardiovascular disease and blood pressure in vitro and in animal studies. However, epidemiological evidence for the association of green tea consumption with hypertension (HTN) is inconsistent. In addition, such an association has not been prospectively examined in the general adult population, particularly among young women. Therefore, we designed a cohort study to examine whether green tea consumption increases the risk of HTN in premenopausal women. Methods and results: This prospective cohort study investigated 6633 premenopausal female participants without hypertension, cardiovascular disease, and cancer at the baseline. Green tea consumption was measured at the baseline using a validated food frequency questionnaire. Hypertension was confirmed with the SBP ≥140 mm Hg-1 or with the DBP ≥90 mm Hg-1. Cox proportional hazards regression models were used to examine the association of green tea consumption with incident hypertension. A total of 488 first incident cases of hypertension occurred during 24 957 person-years of follow-up (median follow-up of 4.0 years). After adjustment for potential confounding variables, the multivariable hazard ratios (95% confidence intervals) for incident hypertension in premenopausal female participants with different green tea consumption frequencies were 1.00 (reference) for almost never, 0.84 (0.67, 1.07) for 1 cup per week, 1.02 (0.77, 1.35) for 2-6 cups per week, and 0.65 (0.44, 0.96) for ≥1 cup per day. Conclusions: The results from our prospective study indicate that the consumption of green tea is associated with a reduced risk of HTN in premenopausal women.
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