Variable | n | ORb | 95% CI | P-value | |
---|---|---|---|---|---|
PCVAD outbreak | 1.33 | 0.97 - 1.83 | 0.08 | ||
PRRSV outbreakc | 0.83 | 0.56 - 1.24 | 0.36 | ||
Seasonc | Fall | 91 | Referent | - | - |
Spring | 101 | 0.86 | 0.56 - 1.28 | 0.43 | |
Summer | 91 | 1.01 | 0.66 - 1.54 | 0.98 | |
Winter | 99 | 1.12 | 0.73 - 1.72 | 0.62 | |
Year | 2000 | 52 | Referent | - | - |
2001 | 52 | 0.92 | 0.61 - 1.38 | 0.68 | |
2002 | 52 | 1.06 | 0.72 - 1.57 | 0.76 | |
2003 | 52 | 0.66 | 0.44 - 0.99 | 0.047 | |
2004 | 52 | 0.86 | 0.49 - 1.50 | 0.59 | |
2005 | 52 | 0.36 | 0.22 - 0.59 | <0.001 | |
2006 | 52 | 0.22 | 0.15 - 0.34 | <0.001 | |
2007 | 18 | 0.22 | 0.15 - 0.34 | <0.001 | |
Year*Season interactiond | 2001*spring | 0.84 | 1.15 | 0.64 - 2.07 | 0.64 |
2001*summer | 0.88 | 0.58 | 0.46 - 1.54 | 0.58 | |
2001*winter | 1.10 | 0.66 | 0.49 - 1.58 | 0.66 | |
2002*spring | 0.89 | 0.73 | 0.63 - 1.92 | 0.73 | |
2002*summer | 0.69 | 0.69 | 0.51 - 1.57 | 0.69 | |
2002*winter | 1.17 | 0.19 | 0.39 - 1.21 | 0.19 | |
2003*spring | 1.13 | 0.58 | 0.67 - 2.05 | 0.58 | |
2003*summer | 1.32 | 0.68 | 0.63 - 2.04 | 0.68 | |
2003*winter | 1.65 | 0.33 | 0.75 - 2.33 | 0.33 | |
2004*spring | 0.88 | 0.08 | 0.95 - 2.87 | 0.08 | |
2004*summer | 0.76 | 0.65 | 0.50 - 1.55 | 0.65 | |
2004*winter | 1.70 | 0.41 | 0.40 - 1.45 | 0.41 | |
2005*spring | 1.09 | 0.05 | 0.99 - 2.90 | 0.05 | |
2005*summer | 1.46 | 0.75 | 0.63 - 1.90 | 0.75 | |
2005*winter | 2.24 | 0.23 | 0.79 - 2.72 | 0.23 | |
2006*spring | 1.50 | 0.007 | 1.25 - 4.00 | 0.007 | |
2006*summer | 1.25 | 0.16 | 0.86 - 2.63 | 0.16 | |
2006*winter | 1.26 | 0.47 | 0.69 - 2.26 | 0.47 | |
2007*spring | 0.84 | 0.42 | 0.69 - 2.31 | 0.42 |