Variable | Number examined (%) | Number positive | Prevalence (%) | P-value (χ 2) | Odds ratio (95 % CI) |
---|---|---|---|---|---|
Age | Â | Â | Â | Â | Â |
Adults (> 6 months) | 484 (67.9) | 93 | 17.2 | 0.0057 | 1.932 |
Piglets (≤ 6 months) | 228 (32.1) | 25 | 15.4 | (7.629) | (1.203–3.100) |
Total | 712 (100) | 118 | 16.6 | Â | Â |
Sex | Â | Â | Â | Â | Â |
Female | 458 (64.3) | 91 | 19.9 | < 0.0001 |  |
Male | 254 (35.7) | 27 | 10.6 | (10.09) | 2.085 |
Total | 712 (100) | 118 | 16.6 |  | (1.315–3.304) |