RRs for mortality from rectal cancer predicted from Cox models in this study* and a past analysis†
| Straight exposure (mg/m3-year) | Penalised spline* | Linear† | ||
|---|---|---|---|---|
| No lag | 15-year lag | 20-year lag | No lag | |
| *Corresponds to results in fig 3. | ||||
| †Past model is from Eisen et al.6 | ||||
| ‡Significant result at the 0.05 level. | ||||
| 0.5 | 1.0 | 1.0 | 1.0 | 1.0 |
| 1 | 1.0 | 1.0 | 1.1‡ | 1.0 |
| 3 | 1.1‡ | 1.1‡ | 1.2‡ | 1.0 |
| 5 | 1.1‡ | 1.2‡ | 1.2‡ | 1.0 |
| 10 | 1.3‡ | 1.5‡ | 1.6‡ | 1.0 |
| 25 | 1.7‡ | 2.5‡ | 2.6‡ | 1.1 |
| 40 | 2.1‡ | 3.2‡ | 2.9‡ | 1.2 |