Zhong 2001

Methods	Case‐control study, population‐based in China
Participants	649 cases, 675 controls
Interventions	N/A
Outcomes	Association of green tea consumption with cancer risk Matched for age Adjusted for age, income, number of years of exposure to environmental tobacco smoke at work, high‐risk occupation, family history of lung cancer, Vitamin C intake, cooking food at high temperature and respondent status
Cancer type & time of follow‐up	Lung cancer
Sponsor	National Natural Science Foundation of China
Notes	Non‐drinkers OR = 1.00 1 to 500 g green tea leaves/year OR = 0.80 (95% CI, 0.45 to 1.42) 501 to 1500 g green tea leaves/year OR = 0.62 (0.36 to 1.08) > 1500 g green tea leaves/year OR = 0.46 (95% CI, 0.22 to 0.96) No p‐values provided