1. Is There a Dose-Response Relationship between Tea Consumption and All-Cause, CVD, and Cancer Mortality?
- Author
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Yan, Yi, Sui, Xuemei, Yao, Bin, Lavie, Carl J., and Blair, Steven N.
- Subjects
CANCER-related mortality ,TEA & health ,CARDIOVASCULAR disease related mortality ,LONGITUDINAL method ,TEA ,TUMORS ,PROPORTIONAL hazards models - Abstract
Background: A small change in tea consumption at population level could have large impact on public health. However, the health benefits of tea intake among Americans are inconclusive. Objective: To evaluate the association between tea consumption and all-causes, cardiovascular disease (CVD) and cancer mortality in the Aerobics Center Longitudinal study (ACLS). Methods: 11808 participants (20-82 years) initially free of CVD and cancers enrolled in the ACLS and were followed for mortality. Participants provided baseline self-report of tea consumption (cups/day). During a median follow-up of 16 years, 842 participants died. Of others, 250 died from CVD, and 345 died from cancer, respectively. A Cox proportional hazard model was used to produce hazard ratio (HR) and 95% confidence interval (CI). Results: Compared with participants consuming no tea, tea drinkers had a survival advantage ( Log-2 = 10.2, df = 3, P = 0.017); however, the multivariate hazard ratios (HRs) of all-cause mortality for those drinking 1–7, 8–14, and >14 cups/week were 0.95 (95% CI, 0.81–1.12), 1.00 (95% CI, 0.82–1.22), and 0.98 (95% CI, 0.76–1.25), respectively (P for linear trend = 0.83). The multivariate HR were 1.16 (95% CI, 0.86–1.56), 1.22 (95% CI, 0.85–1.76), and 0.94 (95% CI, 0.56–1.54) for CVD mortality (P for linear trend = 0.47), and 0.97 (95% CI, 0.75–1.25), 0.85 (95% CI, 0.60–1.16), and 0.94 (95% CI, 0.64–1.38) for cancer mortality (P for trend = 0.62). Conclusions: There were week or null relationships between tea consumption and mortality due to all-cause, CVD disease or cancer were observed in ACLS. [ABSTRACT FROM PUBLISHER]
- Published
- 2017
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