| Green tea intake assessed by baseline questionnaire |  | ||||||
---|---|---|---|---|---|---|---|---|
 | Less than one cup per day | One to two cups per day | Three to four cups per day | Five or more cups per day | P for trend | |||
All subjects | Â | Â | Â | Â | Â | Â | Â | Â |
No. of cases | 154 | 117 | 160 | 150 | Â | |||
Age- and area-adjusted HR (95% CI) | 1.00 | 1.01 | (0.79 to 1.29) | 1.08 | (0.86 to 1.36) | 1.02 | (0.81 to 1.30) | 0.75 |
Multivariate HR (95% CI)* | 1.00 | 1.04 | (0.80 to 1.35) | 1.08 | (0.84 to 1.39) | 1.03 | (0.80 to 1.34) | 0.76 |
ER+PR+ breast cancer | Â | Â | Â | Â | Â | Â | Â | Â |
No. of cases | 29 | 25 | 32 | 32 | Â | |||
Age- and area-adjusted HR (95% CI) | 1.00 | 1.25 | (0.73 to 2.17) | 1.18 | (0.69 to 2.00) | 1.05 | (0.62 to 1.79) | 0.93 |
Multivariate HR (95% CI)* | 1.00 | 1.33 | (0.75 to 2.38) | 1.35 | (0.77 to 2.36) | 1.02 | (0.57 to 1.83) | 0.92 |
ER- PR- breast cancer | Â | Â | Â | Â | Â | Â | Â | Â |
No. of cases | 23 | 16 | 20 | 16 | Â | |||
Age- and area-adjusted HR (95% CI) | 1.00 | 1.10 | (0.58 to 2.11) | 1.09 | (0.58 to 2.05) | 0.82 | (0.42 to 1.60) | 0.61 |
Multivariate HR (95% CI)* | 1.00 | 1.13 | (0.55 to 2.32) | 1.23 | (0.63 to 2.41) | 0.81 | (0.39 to 1.69) | 0.69 |
Premenopausal women | Â | Â | Â | Â | Â | Â | Â | Â |
No. of cases | 81 | 59 | 71 | 51 | Â | |||
Age- and area-adjusted HR (95% CI) | 1.00 | 1.01 | (0.72 to 1.43) | 1.13 | (0.81 to 1.58) | 0.95 | (0.66 to 1.37) | 0.99 |
Multivariate HR (95% CI)* | 1.00 | 1.05 | (0.73 to 1.49) | 1.12 | (0.79 to 1.58) | 0.97 | (0.66 to 1.41) | 0.99 |
Postmenopausal women | Â | Â | Â | Â | Â | Â | Â | Â |
No. of cases | 70 | 56 | 86 | 96 | Â | |||
Age- and area-adjusted HR (95% CI) | 1.00 | 1.01 | (0.71 to 1.45) | 1.04 | (0.75 to 1.45) | 1.05 | (0.76 to 1.45) | 0.76 |
Multivariate HR (95% CI)* | 1.00 | 1.01 | (0.67 to 1.50) | 1.02 | (0.71 to 1.48) | 1.08 | (0.75 to 1.55) | 0.67 |