Jian 2007

Methods	Case‐control study in China
Participants	130 cases, 274 controls
Interventions	N/A
Outcomes	Association of green tea consumption with cancer risk No detailsreported on matching Adjusted for age, height, weight, BMI, locality, education, income, marital status, family history of prostate cancer, physical activities, intakes of fat and calories
Cancer type & time of follow‐up	Prostate cancer
Sponsor	Not declared
Notes	0 g green tea leaves/day OR = 1.00 0.3 to 2.9 g green tea leaves /day OR = 0.45 (95% CI, 0.25 to 0.82) 3.0 to 4.9 g green tea leaves/day OR = 0.24 (95% CI, 0.10 to 0.57) ≥ 5 g green tea leaves/day OR = 0.13 (95% CI, 0.05 to 0.32) No p‐values provided