Table 3 Final logistic regression model for factors associated with low growing-finishing performance (41 herds, odds ratio (OR) with 95% confidence interval (CI))
Variables | % of herds identified as low performers (Group 2) | OR | 95% CI | p |
|---|---|---|---|---|
Herd type | 0.04 | |||
 Farrow-to-finish | 65.0 | 5.1 | 1.1–23.8 |  |
 Wean-to-finish | 19.1 | – |  |  |
PRRSV serological status of growers and finishers | 0.01 | |||
 Negative | 26.1 | – |  |  |
 Positive | 61.1 | 8.8 | 1.8–41.7 |  |