STS risk and distance of main residence from incinerator
| Distance of the main residence from the incinerator (km) | Cases (n) | Controls (n) | OR* | 95% CI† |
|---|---|---|---|---|
| *OR, odds ratio, adjusted by age and gender. | ||||
| †CI, confidence interval. | ||||
| ⩽2 | 5 | 1 | 31.4 | 5.6 to 176.1 |
| 2–3 | 3 | 26 | 0.7 | 0.2 to 3.1 |
| 3–4 | 11 | 57 | 1.2 | 0.4 to 3.4 |
| 4–5 | 11 | 43 | 1.6 | 0.6 to 4.5 |
| >5 | 7 | 44 | 1 | |