Setiawan 2001

Methods	Case‐control study, population‐based in USA
Participants	299 (of which n = 166 chronic gastritis) cases, 433 controls
Interventions	N/A
Outcomes	Association of green tea consumption with cancer risk Not matched controls Adjusted for age, gender, education, smoking, alcohol and BMI
Cancer type & time of follow‐up	Gastric cancer
Sponsor	National Institute of Health, Department of Health and Human Services and University of California ‐ Los Angeles Jonsson Comprehensive Cancer Care Center Foundation and Weissman Fund
Notes	Non‐drinkers: OR = 1.00 1 to 21 cups/week OR = 0.70 (95% CI, 0.36 to 1.36) > 21 cups/week OR = 0.39 (95% CI, 0.15 to 1.01) p = 0.048