Childhood acute leukaemia and close neighbouring businesses according to period of exposure
| Cases (n = 280) | Controls (n = 285) | OR | [95% CI] | |||
|---|---|---|---|---|---|---|
| No. | % | No. | % | |||
| *With or without another business. | ||||||
| In utero period | ||||||
| No neighbouring business | 257 | 91.8 | 256 | 89.8 | 1.0 | (ref.) |
| Repair garage or petrol station* | 13 | 4.7 | 8 | 2.8 | 2.2 | (0.9 to 5.7) |
| Other neighbouring business | 6 | 2.1 | 9 | 3.2 | 0.8 | (0.3 to 2.4) |
| Missing values | 4 | 1.4 | 12 | 4.9 | ||
| Childhood period | ||||||
| No neighbouring business | 249 | 88.9 | 258 | 90.5 | 1.0 | (ref.) |
| Repair garage or petrol station* | 17 | 6.1 | 7 | 2.5 | 4.0 | (1.5 to 10.3) |
| Other neighbouring business | 8 | 2.9 | 8 | 2.8 | 1.4 | (0.5 to 4.1) |
| Missing values | 6 | 2.1 | 12 | 4.2 | ||