TABLE 3

Estimated model parameters from the cumulative link mixed model and odds ratios (ORs) in relation to the respective reference category

Fixed effectsEstimated coefficients and 95% CIOR (related to reference category)
Threshold
 Negative0.43 (0.13 to 0.73)
 Mild pneumonia1.31 (1.02 to 1.61)
 Moderate pneumonia2.80 (2.50 to 3.09)
2008 I (reference)
 2008 II−0.25 (−0.30 to −0.21)***0.78
 2008 III−0.43 (−0.49 to −0.38)***0.65
 2008 IV−0.26 (−0.31 to −0.21)***0.77
 2009 I−0.01 (−0.05 to 0.04)0.99
 2009 II−0.31 (−0.36 to −0.26)***0.73
 2009 III−0.65 (−0.70 to −0.60)***0.52
 2009 IV−0.33 (−0.38 to −0.27)***0.72
 2010 I−0.28 (−0.34 to −0.22)***0.76
 2010 II−0.45 (−0.51 to −0.40)***0.64
 2010 III−0.51 (−0.56 to −0.46)***0.60
 2010 IV−0.32 (−0.38 to −0.27)***0.72
 2011 I−0.19 (−0.24 to −0.14)***0.83
 2011 II−0.49 (−0.54 to −0.44)***0.61
Farrow-to-finish farm (reference)
 Fattening farm−0.44 (−0.87 to 0.00)*0.65
Not vaccinated against PCV-2 (reference)
  Vaccinated against PCV-2 −0.05 (−0.09 to −0.01)**0.95
Farrow-to-finish farm/Not vaccinated against PCV-2 (reference)
 Fattening farm/Vaccinated against PCV-2 (interaction)−0.19 (−0.23 to −0.15)***0.83
Random effectsVariance component
 Farm0.712
 Meat inspector0.103
  • Significance level: *P<0.05; **P<0.01; ***P<0.001

  • PCV-2, porcine circovirus type 2.