Variable | Category | N (%) | Prev (%) | aOR | 95% CI | |
---|---|---|---|---|---|---|
Distance to the nearest bulk milk PCR-positive farm (km) | < 8 | 48 | 50.0 | 66.7 | 12.9 | 3.0-54.8 |
 | ≥ 8 | 48 | 50.0 | 20.8 | Ref |  |
Cattle density per km2 in farm municipality (excl. meat calves) | ≥ 100 | 67 | 69.8 | 50.8 | 14.4 | 2.7-78.4 |
 | < 100 | 29 | 30.2 | 27.6 | Ref |  |
Herd size (number of goats according to UBN registry) | ≥ 800 | 47 | 49.0 | 59.6 | 2.8 | 0.8-9.4 |
 | < 800 | 49 | 51.0 | 28.6 | Ref |  |
Control nuisance animals (e.g. wild birds) in 2008 | Yes, by covering air spaces | 15 | 84.4 | 73.3 | 48.8 | 4.0-591.2 |
 | By other ways or not applicable | 81 | 15.6 | 38.3 | Ref |  |
Dogs(s) in goat stable | Yes | 60 | 62.5 | 51.7 | 3.8 | 1.0-14.2 |
 | No/unknown | 36 | 37.5 | 30.6 | Ref |  |
Cat(s) in goat stable | Yes | 34 | 35.4 | 58.8 | 6.3 | 1.5-25.8 |
 | No/unknown | 62 | 64.6 | 35.5 | Ref |  |
Origin of Straw | Abroad/unknown | 59 | 61.5 | 49.2 | 5.0 | 1.3-19.6 |
 | No straw or domestic straw | 37 | 38.5 | 35.1 | Ref |  |
Signs of vermin (mice, rats, birds) in roughage or litter during past 12 months | Unknown | 14 | 14.6 | 64.3 | 4.3 | 0.8-22.3 |
 | Known (yes or no) | 82 | 85.4 | 40.2 | Ref |  |