Parameter | Odds ratio | Standard error | 95% confidence interval | p-value |
---|
M. hyo seropositivity |
No | Referent | | | |
Yes | 1.66 | 0.31 | 1.15–2.41 | 0.007 |
Production stage |
At weaning | 3.10 | 0.54 | 2.20–4.35 | < 0.001 |
End of nursery | Referent | | | |
End of grower | 2.30 | 0.40 | 1.63–3.22 | < 0.001 |
End of finisher | 2.89 | 0.52 | 2.03–4.10 | < 0.001 |
Cohorta |
One | Referent | | | |
Two | 3.64 | 0.98 | 2.15–6.16 | < 0.001 |
- This table displays the mixed-effects multi-level logistic regression analysis for influenza A virus (IAV) seropositivity with farrowing source and sow as random effects in 9 seropositive groups that had more than 20% of pigs test seropositive to IAV by ELISA
- M. hyo = Mycoplasma hyopneumoniae
- aCohort One: Pigs were born between May and August; Cohort Two: Pigs were born between October and January