Ji 1996

Methods	Case‐control study, Population‐based in China
Participants	1,124 cases, 1,451 controls
Interventions	N/A
Outcomes	Association of green tea consumption and cancer risk Matched for age and sex Adjusted for age, monthly family per capita income and educational level
Cancer type & time of follow‐up	Gastric cancer
Sponsor	Not declared
Notes	Alle + Männer + Frauen Men: ≤ 1200 g green tea leaves/year OR = 1.06 (95% CI, 0.76 to 1.49) > 1200 to ≤ 2000 g/year OR = 1.15 (95% CI, 0.82 to 1.61) > 2000 to ≤ 3000 g/year OR = 0.88 (95% CI, 0.64 to 1.24) > 3000 g/year OR = 0.76 (95% CI, 0.55 to 1.27) p = 0.2 Women: ≤ 1200 g/year OR = 0.74 (95% CI, 0.45 to 1.21) > 1200 g/year OR = 0.81 (95% CI, 0.46 to 1.43) p = 0.24