Table 11.
Summary of herd level multivariable regression analysis examining associations between potential risk factors and testing outcomes from a subset of 108 herds providing additional information.
| Odds ratio | 95% CI | P -value | ||
|---|---|---|---|---|
| Risk factor for a positive ELISA result | ||||
| Had animals show JD symptoms in last 3 years | No | 1.00 (base) | ||
| Yes | 3.47 | 1.11–10.9 | 0.03* | |
| Purchased replacements in last 5 years | Yes | 1.00 (base) | ||
| No | 2.46 | 0.82–7.37 | 0.12 | |
| Risk factor for a positive pooled PCR result | ||||
| Had animals show JD symptoms in last 3 years | No | 1 (base) | ||
| Yes | 16.6 | 1.74–158.4 | 0.02* | |
*
Significant at the p < 0.05 level.