Risk of sensitisation to various allergens with respect to childhood and current farming environment
| Living on a farm in childhood/adulthood | n | OR (95% CI) of sensitisation to any of the pollens* | OR (95% CI) of sensitisation to dog or cat* | Prevalence of sensitisation to bovine dander (%)† |
|---|---|---|---|---|
| *Adjusted for smoking history. | ||||
| †ORs could not be calculated because of the small number of subjects sensitised to bovine dander. | ||||
| No/no | 103 | 1 | 1 | 0 |
| No/yes | 70 | 0.93 (0.44–2.0) | 0.74 (0.33–1.7) | 5.7 |
| Yes/no | 99 | 0.55 (0.26–1.2) | 0.49 (0.22–1.1) | 0 |
| Yes/yes | 160 | 0.18 (0.08–0.42) | 0.36 (0.17–0.74) | 8.8 |