|
Hazard ratios (HR) from univariate analysis of risk factors affecting the restriction period for pig farms infected with Salmonella Cubana. Only significant variables (p < 0.10) included. (HR>1 = shorter restriction period, HR<1 = longer restriction period). |
||
| HR |
P-value |
|
|
|
||
| No. of pos. samples |
0.3 |
0.00 |
| ≰3 pos. samples at one occasion |
3.9 |
0.00 |
| Empty stable unit |
0.5 |
0.07 |
| Uncomplicated C & D*; feed systems |
1.8 |
0.08 |
| Uncomplicated C & D*; stables |
3.7 |
0.07 |
| Hygiene level: high |
3.8 |
0.07 |
| Farmers' motivation: middle |
3.9 |
0.04 |
| Farmers' motivation: high |
2.6 |
0.07 |
| External factors |
0.52 |
0.06 |
|
* C & D = cleaning and disinfection | ||
Österberg et al. Acta Veterinaria Scandinavica 2006 47:13 doi:10.1186/1751-0147-47-13 |
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