Wu 2003

Methods	Case‐control study, population‐based of Asian Americans in USA
Participants	501 cases, 594 controls
Interventions	N/A
Outcomes	Association of green tea consumption with cancer risk Matched for age and ethnicity Adjusted for age, ethnicity, birth place, smoking and alcohol consumption
Cancer type & time of follow‐up	Breast cancer
Sponsor	California Breast Cancer Research program and USC/Norris Comprehensive Cancer Center, USA
Notes	Non‐drinker OR = 1.00 ≤ 85.7 ml/day OR = 0.73 (95% CI, 0.40 to 1.32) ≥ 85.7 ml/day OR = 0.47 (95% CI, 0.26 to 0.85)