Lung cancer incidence and mortality by cumulative exposure to radon progeny in working level months (WLM)* among Ontario male miners
| Lung cancer incidence | Lung cancer mortality | |||||
|---|---|---|---|---|---|---|
| Cumulative exposure (WLM) | Mean exposure (WLM)† | Lung cancer cases | Relative risks‡ and 95% CI | Mean exposure (WLM)† | Lung cancer deaths | Relative risks‡ and 95% CI |
| 0 | 0 | 70 | 1 | 0 | 60 | 1 |
| >0–1 | 0.35 | 119 | 1.10 (0.82 to 1.48) | 0.36 | 124 | 1.43 (1.05 to 1.95) |
| >1–5 | 2.64 | 165 | 0.99 (0.75 to 1.31) | 2.66 | 162 | 1.22 (0.91 to 1.65) |
| >5–10 | 7.22 | 124 | 0.86 (0.64 to 1.15) | 7.23 | 121 | 1.06 (0.77 to 1.44) |
| >10–20 | 14.3 | 186 | 1.02 (0.77 to 1.34) | 14.3 | 179 | 1.24 (0.92 to 1.66) |
| >20–30 | 24.4 | 119 | 1.21 (0.90 to 1.62) | 24.4 | 111 | 1.41 (1.03 to 1.94) |
| >30–50 | 38.6 | 150 | 1.28 (0.96 to 1.70) | 38.6 | 145 | 1.56 (1.15 to 2.12) |
| >50–100 | 70.0 | 167 | 1.47 (1.11 to 1.95) | 69.9 | 163 | 1.81 (1.35 to 2.45) |
| >100 | 163.5 | 174 | 1.92 (1.45 to 2.54) | 162.7 | 165 | 2.33 (1.73 to 3.14) |
*Cumulative exposures were lagged by 5 years.
†Means were weighted by person-years.
‡Relative risks were adjusted for attained age and calendar period.