Table 2.
Event horses (N = 174) and their risk factors for moderate or severe (CD) oral lesion status vs. no lesion or mild lesion (AB) status in the bit area.
| Variable | Category | n | Moderate/severe lesion status horses (%) | OR | 95% CI | P-value |
|---|---|---|---|---|---|---|
| Breed | 0.02 | |||||
| Warmblood | 109 | 34 (31) | Reference | |||
| Coldblood | 39 | 15 (39) | 2.0 | 0.88–4.7 | 0.1 | |
| Pony | 26 | 2 (8) | 0.2 | 0.04–0.87 | 0.03 | |
| Sex | 0.03 | |||||
| Gelding | 106 | 25 (24) | Reference | |||
| Mare | 68 | 26 (38) | 2.2 | 1.1–4.5 | ||
| Bit thickness (mm) | 0.003 | |||||
| 14–17 | 102 | 20 (20) | Reference | |||
| 10–13 | 34 | 14 (41) | 3.5 | 1.4–8.7 | 0.007 | |
| 18–22 | 38 | 17 (45) | 3.4 | 1.5–8.0 | 0.004 |
The results of the logistic regression analysis for the Model I containing breed, sex, and bit thickness. Thirty-one percent of all horses in the study had moderate/severe lesion status.