Table 1. Characteristics of the subjects according to green tea consumption.
| Men | Women | ||||||||
| Cohort 1 | Cohort 2 | Cohort 1 | Cohort 2 | ||||||
| Green tea consumption (cups / day) | Green tea consumption (cups / day) | ||||||||
| <1 | 5+ | <1 | 5+ | 5+ | 5+ | 5+ | 5+ | ||
| Characteristics | |||||||||
| No. | 2,253 | 4,870 | 5,640 | 4,782 | 4,782 | 4,782 | 4,782 | 4,782 | |
| Age (yr), mean ± standard deviation | 56.3 ± 11.3 | 57.6 ± 10.8 | 50.5 ± 7.5 | 53.7 ± 7.4 | 53.7 ± 7.4 | 53.7 ± 7.4 | 53.7 ± 7.4 | 53.7 ± 7.4 | |
| Smoking (%) | |||||||||
| Never | 27.9 | 18.8 | 21.1 | 17.1 | 17.1 | 17.1 | 17.1 | 17.1 | |
| Past | 23.8 | 23.2 | 20.2 | 20.8 | 20.8 | 20.8 | 20.8 | 20.8 | |
| Current (1-19 cigarettes / day) | 18.9 | 17.2 | 16.2 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | |
| Current (20+cigarettes / day) | 29.4 | 40.9 | 42.6 | 48.7 | 48.7 | 48.7 | 48.7 | 48.7 | |
| Alcohol drinkig (%) | |||||||||
| Never | 16.3 | 15.6 | 15.9 | 17.7 | 17.7 | 17.7 | 17.7 | 17.7 | |
| Past | 10.6 | 8.0 | 7.2 | 8.0 | 8.0 | 8.0 | 8.0 | 8.0 | |
| Current | 73.1 | 76.4 | 76.9 | 74.4 | 74.4 | 74.4 | 74.4 | 74.4 | |
| Body mass index (%) | |||||||||
| <18.5 | 5.2 | 4.4 | 1.9 | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | |
| 18.5-24.9 | 72.3 | 73.4 | 70.5 | 68.5 | 68.5 | 68.5 | 68.5 | 68.5 | |
| 25.0+ | 22.5 | 22.2 | 27.7 | 29.3 | 29.3 | 29.3 | 29.3 | 29.3 | |
| Daily beverage consumption (%) | |||||||||
| Black tea (cups / day) | |||||||||
| Never | 65.0 | 47.6 | 64.9 | 59.8 | 59.8 | 59.8 | 59.8 | 59.8 | |
| Occasionally | 31.3 | 44.8 | 33.2 | 36.8 | 36.8 | 36.8 | 36.8 | 36.8 | |
| 1-2 | 2.9 | 5.6 | 1.5 | 2.3 | 2.3 | 2.3 | 2.3 | 2.3 | |
| 3+ | 0.8 | 1.9 | 0.3 | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 | |
| Coffee (cups / day) | |||||||||
| Never | 34.7 | 18.0 | 20.6 | 19.8 | 19.8 | 19.8 | 19.8 | 19.8 | |
| Occasionally | 35.2 | 46.5 | 32.9 | 41.7 | 41.7 | 41.7 | 41.7 | 41.7 | |
| 1-2 | 19.5 | 25.2 | 29.0 | 24.6 | 24.6 | 24.6 | 24.6 | 24.6 | |
| 3+ | 10.6 | 10.4 | 17.5 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | |