Relative risk for lung cancer by time weighted average and cumulative exposure6-150
| Exposure | Cases | Controls | OR6-150(95% CI) |
|---|---|---|---|
| Cumulative exposure (mg/m3 • years) | |||
| <1.56 | 63 | 195 | 1.00 |
| 1.56–2.88 | 54 | 197 | 0.95 (0.48 to 1.53) |
| 2.89–4.68 | 52 | 212 | 0.92 (0.44 to 1.61) |
| >4.68 | 78 | 191 | 1.04 (0.53 to 1.89) |
| Σ | 247 | 795 | |
| p for trend = 0.69 | |||
| Time weighted average exposure (mg/m3) | |||
| <0.04 | 64 | 194 | 1.0 |
| 0.04–0.07 | 45 | 207 | 0.74 (0.42 to 1.27) |
| 0.08–0.11 | 62 | 209 | 0.96 (0.56 to 1.71) |
| ⩾0.12 | 76 | 185 | 0.82 (0.47 to 1.44) |
| Σ | 247 | 795 | |
| p for trend = 0.87 | |||
↵6-150 Adjusted for the same factors as listed in table 5.