Age groups Smoking percentile (years) | Primary model | Model I | Model II | ||||
OR (95% CI) | P | OR (95% CI) | P | OR (95% CI) | P | ||
<45 (n = 189) | The percentile of smoking years 1 (n = 63) | 1.000 | 1.000 | 1.000 | |||
The percentile of smoking years 2 (n = 63) | 0.86 (0.42 - 1.73) | 0.667 | 0.57 (0.25 - 1.33) | 0.195 | 0.52 (0.21 - 1.26) | 0.146 | |
The percentile of smoking years 3 (n = 63) | 1.09 (0.53 - 2.24) | 0.813 | 1.17 (0.50 - 2.74) | 0.721 | 1.22 (0.51 - 2.92) | 0.657 | |
45 - 60 (n = 267) | The percentile of smoking years 1 (n = 89) | 1.000 | 1.000 | 1.000 | |||
The percentile of smoking years 2 (n = 89) | 1.60 (0.87 - 2.94) | 0.128 | 1.76 (0.93 - 3.32) | 0.082 | 1.64 (0.86 - 3.13) | 0.133 | |
The percentile of smoking years 3 (n = 89) | 1.09 (0.62 - 1.93) | 0.766 | 1.28 (0.70 - 2.35) | 0.428 | 1.18 (0.64 - 2.18) | 0.606 | |
60 - 75 (n = 234) | The percentile of smoking years 1 (n = 78) | 1.000 | 1.000 | 1.000 | |||
The percentile of smoking years 2 (n = 78) | 0.79 (0.40 - 1.53) | 0.475 | 0.83 (0.42 - 1.63) | 0.585 | 0.86 (0.43 - 1.72) | 0.665 | |
The percentile of smoking years 3 (n = 78) | 0.97 (0.52 - 1.83) | 0.935 | 1.00 (0.52 - 1.92) | 0.999 | 1.15 (0.59 - 2.22) | 0.683 | |
>75 (n = 57) | The percentile of smoking years 1 (n = 19) | 1.000 | 1.000 | 1.000 | |||
The percentile of smoking years 2 (n = 19) | 3.25 (0.86 - 12.28) | 0.082 | 2.2 (0.53 - 9.21) | 0.279 | 2.51 (0.54 - 11.72) | 0.241 | |
The percentile of smoking years 3 (n = 19) | 0.83 (0.13 - 5.50) | 0.850 | 0.81 (0.11 - 6.09) | 0.842 | 0.84 (0.10 - 6.87) | 0.867 |