Table 3 Results of multivariable analysis for FMD transmission between farms
Group | Variables | Level | Odds ratio | 95% Confidence interval | P-value |
|---|---|---|---|---|---|
Cattle | |||||
Area A1) | herd size | large | 2.8 | 1.2-6.7 | 0.02 |
small | 1.0 | ||||
farm equipment was shared with other farms | Yes | 9.6 | 1.1-80.2 | 0.04 | |
No | 1.0 | ||||
Constant | - | 0.54 | |||
Area B2) | herd size | large | 28.8 | 5.8-143.4 | <0.01 |
small | 1.0 | ||||
staff of livestock related companies visited the farm | Yes | 20.4 | 1.1-383.0 | 0.04 | |
No | 1.0 | ||||
feed transport vehicles visited the farm | Yes | 5.1 | 1.5-16.7 | 0.01 | |
No | 1.0 | ||||
Constant | - | <0.01 | |||
Pig | |||||
Area A3) | herd size | large | 0.7 | 0.2-3.3 | 0.70 |
small | 1.0 | ||||
fattening farm | Yes | 0.1 | 0.0-0.4 | <0.01 | |
No | 1.0 | ||||
farm staff commuted from outside | Yes | 20.0 | 1.8-226.9 | 0.02 | |
No | 1.0 | ||||
barn has physical barriers | Yes | 0.1 | 0.0-0.5 | <0.01 | |
No | 1.0 | ||||
Constant | - | 0.15 |