Ji 1997

Methods	Case‐control study, population‐based in China
Participants	2,266 cases, 1,552 controls
Interventions	N/A
Outcomes	Association of green tea consumption with cancer risk
Cancer type & time of follow‐up	Pancreatic and colorectal cancer Matched for age and sex Adjusted for age, income, education, smoking, place of birth, diet, BMI, physical activity
Sponsor	Not declared
Notes	Men: Colon cancer Non‐drinkers OR = 1.00 1 to 199 g green tea leaves/month OR = 1.13 (95% CI, 0.80 to 1.61) 200 to 299 g green tea leaves/month OR = 0.92 (95% CI, 0.62 to 1.37) ≥ 300 g green tea leaves/month OR = 0.82 (95% CI, 0.52 to 1.28) p = 0.38 Rectum cancer Non‐drinkers OR = 1.00 1 to 199 g green tea leaves/month OR = 0.99 (95% CI,) 200 to 299 g green tea leaves/month OR = 0.66 (95% CI,) ≥ 300 g green tea leaves/month OR = 0.72 (95% CI,) p = 0.04 Pancreas cancer Non‐drinkers OR = 1.00 1 to 199 g green tea leaves/month OR = 1.23 (95% CI, 0.69 to 1.41) 200 to 299 g green tea leaves/month OR = 0.57 (95% CI, 0.43 to 0.99) ≥ 300 g green tea leaves/month OR = 0.63 (95% CI, 0.46 to 1.13) p = 0.04 Women Colon cancer Non‐drinkers OR = 1.00 1 to 200 g green tea leaves/month OR = 0.83 (95% CI, 0.57 to 1.21) > 200 g green tea leaves/month OR = 0.67 (95% CI, 0.41 to 1.10) p = 0.07 Rectum cancer Non‐drinkers OR = 1.00 1 to 200 g green tea leaves/month OR = 0.51 (95% CI, 0.33 to 0.79) > 200 g green tea leaves/month OR = 0.57 (95% CI, 0.34 to 0.97) p = 0.001 Pancreas cancer Non‐drinkers OR = 1.00 1 to 199 g green tea leaves/month OR = 0.47 (95% CI, 0.25 to 0.89) > 200 g green tea leaves/month OR = 0.53 (95% CI, 0.25 to 1.09) p = 0.008