Table 2
Relative risk of lung cancer from exposure to asbestos (fibres/ml-year) and asbestosis
| Unadjusted HR (95% CI) | p value | Adjusted* HR (95% CI) | p value | |
|---|---|---|---|---|
| *Adjusted for all covariates. | ||||
| Non-smoker | 1.00 | 1.00 | ||
| Past smoker | 18.1 (2.48 to 132.5) | 0.004 | 9.53 (1.29 to 70.6) | 0.027 |
| Current smoker | 30.1 (4.06 to 223.7) | 0.001 | 26.5 (3.54 to 198.5) | 0.001 |
| Asbestosis | 4.71 (2.72 to 8.14) | 0.007 | 1.94 (1.09 to 3.46) | 0.025 |
| Age at start of study | 1.08 (1.05 to 1.11) | 0.000 | 1.07 (1.04 to 1.11) | 0.000 |
| Male | 4.09 (1.63 to 10.3) | 0.003 | 1.24 (0.41 to 3.75) | 0.701 |
| Ex-resident | 0.14 (0.06 to 0.35) | 0.000 | 0.49 (0.16 to 1.48) | 0.206 |
| Cumulative exposure | ||||
| (log f/ml-y) | 1.44 (1.22 to 1.71) | 0.000 | 1.21 (1.02 to 1.42) | 0.026 |
