Table 3.
Results for variables introduced individually to replace breed in the final mixed‐effects breed‐multivariable logistic regression model for risk factors associated with diagnosis of demodicosis in dogs aged <2 years under primary veterinary care in the UK
| Variable | Category | Cases | Total | Odds ratio | 95% CI | Category P‐value | Variable P‐value |
|---|---|---|---|---|---|---|---|
| Purebred status | Crossbred | 132 | 35,592 | Base | <0.001 | ||
| Purebred | 481 | 90,339 | 1.50 | 1.24 to 1.83 | <0.001 | ||
| Adult bodyweight (>18 months) (kg) | <10.0 | 45 | 20,031 | Base | <0.001 | ||
| 10.0 to 19.9 | 111 | 13,971 | 3.55 | 2.51 to 5.03 | <0.001 | ||
| 20.0 to 29.9 | 100 | 8653 | 5.42 | 3.80 to 7.73 | <0.001 | ||
| 30.0 to 39.9 | 21 | 5401 | 1.80 | 1.07 to 3.03 | 0.027 | ||
| ≥ 40.0 | 13 | 2526 | 2.50 | 1.34 to 4.67 | 0.004 | ||
| Unavailable | 323 | 75,841 | 1.41 | 1.02 to 1.95 | 0.039 |
CI Confidence interval
P‐values under 0.05 are shown in bold