Table 2. Explanatory categorical variables significantly associated with claw horn disruption lesion in the subsequent lactation.
Least squares means with 95% confidence intervals (CI) and P values are presented.
| Mean (95% CI) | P value | ||
|---|---|---|---|
| Dry cow lameness (VLS > 2) | 0 | 0.26 (0.23–0.31) | < 0.01 |
| 1 | 0.38 (0.33–0.44) | ||
| Lactation group | 1 | 0.24 (0.20–0.28) | < 0.01 |
| 2 | 0.34 (0.30–0.39) | ||
| 3 | 0.39 (0.34–0.44) | ||
| PCHDL | 0 | 0.22 (0.18–0.25) | < 0.01 |
| 1 | 0.44 (0.39–0.50) |
Lactation group: 1 if lactation = 1; 2 if lactation = 2; 3 if lactation ≥ 3; PCHDL: Previous lactation claw horn disruption lesion incidence (0/1)