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Ohsaki National Health Insurance Cohort study

Propective cohort study initiated in 1994 to investigate the association between green tea consumption and all-cause & cause- specific mortality. Subjects: 40,530 Japanese adults age 40-79 years No history of CAD, stroke, cancer at start of study Followup 11 years all-cause mortality, 1994-2005, 7 years, cause-specific mortality (1194-2001) Results: 1) green tea consuption was inversely associated with mortality due to all causes & due to cardiovascular disease - no mortality reduction due to cancer 2) RR (relative to < 1 cup/day) - all-cause mortality - men: 1-2 cups 0.84, 0.69 3-4 cups, 0.88 > 5 cups - women: 1-2 cups 0.98, 0.82 3-4 cups, 0.77 > 5 cups - cardiovascular disase - women: 1-2 cups 0.84, 0.69 3-4 cups, 0.69 > 5 cups

Related

Camellia sinensis (green & black tea)

General

cohort study

References

  1. Kuriyama S et al, Green tea consumption and mortality due to cardiovascular disease, cancer and all causes in Japan. The Ohsaka Study. JAMA 2006, 296:1255 PMID: 16968850