Childhood acute leukaemia (AL) and exposure to close neighbouring businesses during childhood according to type of AL
| Cases (n = 280) | Controls (n = 285) | OR | (95% CI) | |||
|---|---|---|---|---|---|---|
| No. | % | No. | % | |||
| *With or without another business. | ||||||
| Acute non-lymphocytic leukaemia | (n = 40) | |||||
| No neighbouring business | 35 | 87.5 | 258 | 90.5 | 1.0 | (ref.) |
| Repair garage or petrol station* | 4 | 10.0 | 7 | 2.5 | 7.7 | (1.7 to 34.3) |
| Other neighbouring business | 1 | 2.9 | 8 | 2.8 | 1.0 | (0.1 to 8.9) |
| Missing values | 0 | 0 | 12 | 4.2 | ||
| Acute lymphocytic leukaemia | (n = 240) | |||||
| No neighbouring business | 214 | 89.2 | 258 | 90.5 | 1.0 | (ref.) |
| Repair garage or petrol station* | 13 | 5.4 | 7 | 2.5 | 3.6 | (1.3 to 9.9) |
| Other neighbouring business | 7 | 2.9 | 8 | 2.8 | 1.5 | (0.5 to 4.6) |
| Missing values | 6 | 2.5 | 12 | 4.2 | ||