Wang 2007

Methods	Case‐control study, population‐based in Singapore
Participants	355 cases, 408 controls
Interventions	N/A
Outcomes	Association of green tea consumption with cancer risk Matched for sex and age Adjusted for age, marital status and education years.
Cancer type & time of follow‐up	Esophageal cancer (squamous cell carcinoma)
Sponsor	National Nature Science Foundation of China
Notes	Men: 0 cups/year OR = 1.00 < 30 cups/year OR = 1.312 (95% CI, 0.846 to 2.033) p = 0.225 ≥30 cups/day OR = 1.435 (95% CI, 0.908 to 2.268) p = 0.122 Women: 0 cups/year OR = 1.00 < 30 cups/year OR = 0.327 (95% CI, 0.064 to 1.677) p = 0.18 ≥30 cups/day OR = 0.182 (95% CI, 0.021 to 1.544) p = 0.118