Variable | Â | OR (95% CI) a | P (Wald test) |
---|---|---|---|
Age | Â | Â | Â |
 | Juvenile | Ref. |  |
 | Adult | 2.09 (1.50-2.92) | <0.001 |
Sex and neuter status | Â | Â | Â |
 | Intact Female | Ref. |  |
 | Spayed Female | 1.35 (0.66-1.65) | 0.227 |
 | Intact Male | 3.14 (1.85-3.76) | <0.001 |
 | Neutered Male | 2.68 (1.44-3.14) | <0.001 |
Outdoor Exposure | Â | Â | Â |
 | Indoor | Ref. |  |
 | Outdoor | 2.58 (1.74-3.93) | <0.001 |
Health Status | Â | Â | Â |
 | Healthy | Ref. |  |
 | Ill | 0.60 (0.52-0.90) | <0.001 |
Random effects | Variance | SE | 95% CI |
At testing facility level | 1.196 | 0.25 | 1.06-1.77 |