Total | Events (n) | Incidence rate (per 1000 person-years) | Model 1* | Model 2* | Model 3* | |
---|---|---|---|---|---|---|
0 | 1,320,897 | 8423 | 0.92 | 1 (Ref.) | 1 (Ref.) | 1 (Ref.) |
1 | 636,816 | 6125 | 1.39 | 1.50 (1.45, 1.55) | 1.20 (1.16, 1.25) | 1.23 (1.19, 1.27) |
2 | 359,679 | 4143 | 1.68 | 1.82 (1.75, 1.89) | 1.38 (1.33, 1.44) | 1.39 (1.33, 1.44) |
3 | 134,811 | 1883 | 2.12 | 2.30 (2.19, 2.42) | 1.64 (1.56, 1.73) | 1.65 (1.56, 1.73) |
4 | 33,841 | 577 | 2.76 | 3.00 (2.76, 3.26) | 2.04 (1.87, 2.22) | 2.05 (1.88, 2.23) |
5 | 3674 | 80 | 3.77 | 4.10 (3.29, 5.11) | 2.69 (2.16, 3.36) | 2.62 (2.10, 3.27) |
P for trend | < 0.001 | < 0.001 | < 0.001 |