Methods | Case‐control study within a cohort study of Japanese population living in Hawaii, USA | |
Participants | 11,907 cohort participants 108 cases, sub‐cohort control |
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Interventions | N/A | |
Outcomes | Incidence Adjusted for age, gender years of education, place of birth |
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Cancer type & time of follow‐up | Gastric cancer (14.8 years follow‐up) | |
Sponsor | not declared | |
Notes | All None RR = 1.00 1 cup / day RR = 1.3 (95% CI, 0.7 to 2.1) ≥ 2 cups / day RR = 1.5 (95% CI, 0.9 to 2.3) p = 0.10 Men None RR = 1.00 1 cup / day RR = 1.2 (95% CI, 0.6 to 2.5) ≥ 2 cups / day RR = 1.6 (95% CI, 0.9 to 2.9) p = 0.11 Women None RR = 1.00 1 cup / day RR = 1.3 (95% CI, 0.6 to 2.9 ≥ 2 cups / day RR = 1.3 (95% CI, 0.6 to 2.6) p = 0.50 |