Table 8.
Animal type and gender associated with lame with no visible swelling
| Variable | Coefficient | Odds ratio | 95% CI | P-value |
|---|---|---|---|---|
| Intercept | −8.96 | <0.0001 | ||
| Animal type | ||||
| Yearling | Referent | |||
| Winter-calves | 0.244 | 1.27 | 0.673–2.41 | 0.453 |
| Fall-calves | 2.20 | 9.10 | 6.26–13.2 | <0.0001 |
| Gender | ||||
| Heifer | Referent | |||
| Steer | 0.900 | 2.46 | 1.57–3.84 | <0.0001 |
| Animal type * heifer | ||||
| Yearling * heifer | Referent | |||
| Winter * heifer | −0.360 | 0.697 | 0.304–1.59 | 0.171 |
| Fall * heifer | −1.17 | 0.309 | 0.194–0.494 | <0.0001 |
| Animal type * steer | ||||
| Yearling * steer | Referent | |||
| Winter * steer | −0.115 | 0.890 | 0.523–1.51 | 0.669 |
| Fall * steer | 1.03 | 2.82 | 2.09–3.80 | <0.0001 |
| Random effect | Estimate | SEM | 95% CI | |
| Feedlot | 4.93 | 1.92 | 2.29–10.6 |