Table 6.
Outcomes from three multivariable logit models relating the risk of cattle herd exhibiting high severity fluke infection for the years 2011, 2012 and 2013, respectively
| Logit | 2011 | N = 2,472 | 2012 | N = 2,408 | 2013 | N = 2,500 | |
|---|---|---|---|---|---|---|---|
| Predictor | OR | Sig. | OR | Sig. | OR | Sig. | |
| Abattoir | 0 | 1 | 1 | 1 | |||
| 1 | 10.790 | *** | 9.231 | *** | 16.595 | *** | |
| 2 | 5.021 | *** | 4.735 | *** | 2.720 | *** | |
| 3 | 8.209 | *** | 4.551 | *** | 11.665 | *** | |
| 4 | 0.221 | *** | 0.093 | *** | 0.195 | *** | |
| 5 | 0.483 | ** | 0.419 | ** | 0.397 | *** | |
| 6 | 1.438 | 0.894 | 1.054 | ||||
| 7 | 3.725 | *** | 6.927 | *** | 15.264 | *** | |
| Rain days | mean_rain | 1.536 | *** | ||||
| SD Rain days | sd_rain | 0.513 | * | ||||
| Max. temp. | maxtemp | 1.573 | * | ||||
| Min. temp. | mintemp | 0.630 | *** | 0.574 | *** | ||
| Humidity | humidity | 0.701 | * | ||||
| Herd type | Beef breeding | 1 | 1 | 1 | |||
| Beef fattening | 0.713 | * | 0.950 | 0.736 | |||
| Beef rearing | 0.943 | 0.684 | 0.814 | ||||
| Dairy | 1.651 | *** | 2.185 | *** | 1.062 | ||
| Other | 1.102 | 1.197 | 0.544 | *** | |||
| Region | Armagh | 1 | 1 | 1 | |||
| Ballymena | 1.810 | * | 6.192 | *** | 5.069 | *** | |
| Coleraine | 1.191 | 2.367 | *** | 3.333 | *** | ||
| Derry | 0.832 | 1.158 | 1.423 | ||||
| Dungannon | 1.274 | 2.066 | ** | 1.021 | |||
| Enniskillen | 1.602 | 1.566 | 1.850 | ||||
| Larne | 0.910 | 3.390 | *** | 3.948 | *** | ||
| Newry | 1.043 | 1.526 | 1.194 | ||||
| Newtownards | 1.142 | 1.629 | * | 2.136 | *** | ||
| Omagh | 0.699 | 1.136 | 1.830 |
Significance (Sig.): * P < 0.05; ** P < 0.01; *** P < 0.001