All causes |
Rate/100 000, pack-years (n) | 100 (28) | 192 (17) | 164 (35) | 186 (20) |
Age-adjusted HR (95% CI) | 1.0 | 2.05 (1.12 to 3.75) | 1.61 (0.98 to 2.64) | 1.95 (1.10 to 3.47) |
Fully adjusted HR‡ (95% CI) | 1.0 | 2.01 (1.09 to 2.76) | 1.68 (1.01 to 2.76) | 1.92 (1.07 to 3.43) |
Cancer |
Rate/100 000, pack-years (n) | 43 (11) | 99 (8) | 87 (17) | 122 (12) |
Age-adjusted HR (95% CI) | 1.0 | 2.47 (1.00 to 6.16) | 1.99 (0.93 to 4.26) | 2.76 (1.19 to 6.37) |
Fully adjusted HR (95% CI) | 1.0 | 2.51 (1.00 to 6.31) | 2.03 (0.95 to 4.35) | 2.74 (1.17 to 6.39) |
Other causes |
Rate/100 000, pack-years (n) | 39 (10) | 37 (3) | 41 (8) | 71 (7) |
Age-adjusted HR (95% CI) | 1.0 | 0.89 (0.09 to 8.01) | 0.64 (0.11 to 3.53) | 1.43 (0.26 to 7.89) |
Fully adjusted HR (95% CI) | 1.0 | 0.86 (0.09 to 8.08) | 0.73 (0.12 to 4.16) | 1.60 (0.27 to 9.38) |