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Table 7 Multivariate analysis of variables associated with GPA
| Model | Variables included | Significant variables (OR (95 % CI)) | |
|---|---|---|---|
| Gardening | Digging, planting, mowing and time in garden | Digging | 2.6 (1.2–5.7) |
| Mowing | 2.3 (1.0–5.0) | ||
| Farming | Farm worker, livestock, sheep, farm any in 12 months prior to index date, farm visit in 12 months prior to index date | Farm visit | 9.3 (3.2–26.7) |
| Farm worker | 4.4 (1.9–10.3) | ||
| Dusts | Any dust, grain dust, silica dust, chemical sprays, construction, petrol/diesel fumes, hobby dust silica, solvent, metals | Grain dust | 7.2 (2.7–19.4) |
| Hobby dust | 8.1 (2.6–24.7) | ||
| Petrol/diesel | 5.1 (1.2–19.9) | ||
| Solvent exposure | 1.03 (1.01–1.05) | ||
| Vaccination | Vaccination | 0.4 (0.2–0.9) | |
| Combined | Digging, mowing, farm visit, farm worker, grain dust, hobby dust, petrol/diesel fumes, solvent exposure, vaccination | Grain dust | 4.0 (1.1–13.8) |
| Hobby dust | 8.3 (2.4–28.3) | ||
| Farm worker | 3.5 (1.1–11.5) | ||
| Farm visit | 8.9 (2.6–29.9) | ||
| Petrol/diesel | 6.2 (1.2–32.7) | ||
| Solvent exposure | 1.04 (1.02–1.07) |
