Home and garden pesticide use and childhood acute leukaemia by period of exposure
| Pesticide use during pregnancy* | Pesticide use during childhood† | |||||||
|---|---|---|---|---|---|---|---|---|
| Cases (n = 280) | Controls (n = 288) | OR‡ | 95% CI | Cases (n = 280) | Controls (n = 288) | OR‡ | 95% CI | |
| *Exposure of the mother during pregnancy. | ||||||||
| †Exposure of the child from birth to diagnosis. | ||||||||
| ‡Odds ratios adjusted for age, gender, hospital, ethnic origin, and maternal educational level. | ||||||||
| Home insecticide use | ||||||||
| Never | 188 | 223 | 1.0 | Reference | 164 | 198 | 1.0 | Reference |
| Ever | 92 | 60 | 1.8 | (1.2–2.8) | 111 | 84 | 1.7 | (1.1–2.4) |
| Missing | 0 | 5 | 5 | 6 | ||||
| Garden pesticide use | ||||||||
| Never | 252 | 272 | 1.0 | Reference | 191 | 198 | 1.0 | Reference |
| Ever | 14 | 7 | 2.5 | (0.8–7.2) | 70 | 45 | 1.7 | (1.1–2.7) |
| Missing | 0 | 6 | 2 | 6 | ||||
| Insecticide | 9 | 4 | 1.9 | (0.6–6.5) | 47 | 20 | 2.4 | (1.3–4.3) |
| Herbicide | 6 | 3 | 5.9 | (0.7–52) | 40 | 31 | 1.4 | (0.8–2.4) |
| Fungicide | 3 | 0 | – | 17 | 8 | 2.5 | (1.0–6.2) | |