Skip to main content

Table 3 Multivariable analysis of the exposure variables relative to the animal seropositivity outcome

From: Serological evidence of bluetongue virus infection and serotype distribution in dairy cattle in South Korea

Variable OR 95% CI p value
Land use
 Agricultural 1.446 0.751 - 2.784 0.270
 Woodland and semi-natural 1.034 0.542 - 1.973 0.920
 Urban - - -
Herd size
 ≤5 2.951 1.411 - 6.171 0.004
 6-30 4.512 2.218 - 9.180 <0.001
 ≥31 - - -
Cattle density
 ≤10 1.478 0.745 - 2.935 0.264
 11-20 1.711 0.883 - 3.314 0.111
 ≥21 - - -
Adult/calf ratios
 ≤1.0 0.578 0.291 - 1.150 0.118
 1.1-2.0 1.550 0.841 - 2.857 0.160
 ≥2.1 - - -
Age class
 Juvenile 0.249 0.128 - 0.484 <0.001
 Subadult 0.449 0.244 - 0.828 0.010
 Adult - - -
Reproductive problems
 Yes 1.081 0.641 - 1.822 0.771
 No - - -
Southern vs northern
 Southern 3.525 2.000 - 6.214 <0.001
 Northern - - -
Eastern vs western
 Eastern 0.332 0.171 - 0.647 0.001
 Western - - -