Relative risk (RR) (95% CI) of mortality from lung cancer for estimated cumulative exposure to respirable TiO2 dust
| Cumulative exposure (mg/m3-year) | France (n=833)* | Pooled European cohort† | ||
| Lung cancer deaths | RR (95% CI) | Lung cancer deaths | RR (95% CI) | |
| 0–0.73 | 4 | 1.0 Reference | 53 | 1.0 Reference |
| 0.73–3.43 | 3 | 1.06 (0.21 to 5.30) | 53 | 1.19 (0.80 to 1.77) |
| 3.44–13.19 | 5 | 1.49 (0.39 to 5.67) | 52 | 1.03 (0.69 to 1.55) |
| 13.20+ | 4 | 1.63 (0.38 to 6.95) | 53 | 0.89 (0.58 to 1.35) |
*From table 4.4 of Boffetta et al.3
†From Boffetta et al.2