Table V.
Final multivariable regression model for associations between predictor variables and pen Salmonella status on 10 farrow-to-finish pig farms from Alberta and Saskatchewan
| Variable | β (coefficient)a | 95% CI (β) | P-value |
|---|---|---|---|
| Fed pelleted feed | |||
| Yes | 2.1 | 1.18 to 3.03 | 0.000 |
| No | Reference | ||
| Nose-to-nose contact | |||
| Yes | 0.81 | 0.24 to 1.37 | 0.005 |
| No | Reference | ||
| Production phase | |||
| Nursery | −1.4 | −1.91 to −0.88 | 0.000 |
| Grow-finish | −0.84 | −1.30 to −0.88 | 0.000 |
| Sows | Reference | ||
| Grow-finish | 0.56 | 0.09 to 1.02 | 0.019 |
| Sows | 1.40 | 1.91 to 0.88 | 0.000 |
| Nursery | Reference | ||
95% CI — 95% confidence interval.
a
Log odds ratio from random-effects logistic regression model.