Variable | Adjusted IAV positive proportion | Standard error | Prevalence ratio (95% CI) | P-value |
---|---|---|---|---|
Processing | 0.15 | 0.04 | Reference | – |
Vaccination | 0.94 | 0.15 | 6.20 (5.91–6.49) | < 0.0001 |
Weaning | 0.91 | 0.18 | 5.98 (5.62–6.33) | < 0.0001 |
Hands | 0.46 | 0.08 | Reference | – |
Coverall | 0.55 | 0.10 | 1.19 (0.99–1.39) | 0.42 |
Farm A | 0.49 | 0.09 | Reference | – |
Farm B | 0.48 | 0.14 | 0.97 | 0.99 |
Farm C | 0.56 | 0.10 | 1.13 | 0.86 |