Table 4.
Descriptive and univariable logistic regression results for non-breed-related demographic risk factors evaluated for skin fold dermatitis during 2016 in dogs under primary veterinary care in the VetCompass Programme in the UK.
| Variable | Category | Case No. (%) | Non-case No. (%) | Odds ratio | 95% CI | Category P-value | Variable P-value |
|---|---|---|---|---|---|---|---|
| Adult (> 18 months) bodyweight (kg) | < 10.0 | 165 (16.94) | 211,174 (23.62) | Base | < 0.001 | ||
| 10.0–< 15.0 | 219 (22.48) | 96,237 (10.76) | 2.91 | 2.38–3.57 | < 0.001 | ||
| 15.0–< 20.0 | 106 (10.88) | 68,308 (7.64) | 1.99 | 1.56–2.54 | < 0.001 | ||
| 20.0–< 25.0 | 84 (8.62) | 62,909 (7.04) | 1.71 | 1.31–2.22 | < 0.001 | ||
| 25.0–< 30.0 | 86 (8.83) | 52,857 (5.91) | 2.08 | 1.60–2.70 | < 0.001 | ||
| 30.0–< 40.0 | 80 (8.21) | 68,882 (7.70) | 1.49 | 1.14–1.94 | 0.004 | ||
| ≥ 40.0 | 20 (2.05) | 25,855 (2.89) | 0.99 | 0.62–1.57 | 0.966 | ||
| Uncategorised | 214 (21.97) | 307,946 (34.44) | 0.89 | 0.73–1.09 | 0.258 | ||
| Bodyweight relative to breed mean | Lower | 368 (37.78) | 313,161 (35.02) | Base | < 0.001 | ||
| Equal/Higher | 390 (40.04) | 270,939 (30.30) | 1.22 | 1.06–1.41 | 0.005 | ||
| Uncategorised | 216 (22.18) | 310,068 (34.68) | 0.59 | 0.50–0.70 | < 0.001 | ||
| Age (years) | < 1.0 | 49 (5.03) | 103,020 (11.52) | Base | < 0.001 | ||
| 1.0–< 2.0 | 162 (16.63) | 128,751 (14.40) | 2.65 | 1.92–3.64 | < 0.001 | ||
| 2.0–< 4.0 | 193 (19.82) | 175,810 (19.66) | 2.31 | 1.69–3.16 | < 0.001 | ||
| 4.0–< 6.0 | 157 (16.12) | 138,202 (15.46) | 2.39 | 1.73–3.29 | < 0.001 | ||
| 6.0–< 8.0 | 128 (13.14) | 111,884 (12.51) | 2.41 | 1.73–3.34 | < 0.001 | ||
| 8.0–< 10.0 | 128 (13.14) | 89,787 (10.04) | 3.00 | 2.16–4.17 | < 0.001 | ||
| 10.0–< 12.0 | 84 (8.62) | 65,327 (7.31) | 2.70 | 1.90–3.85 | < 0.001 | ||
| ≥ 12.0 | 70 (7.19) | 69,019 (7.72) | 2.13 | 1.48–3.07 | < 0.001 | ||
| Uncategorised | 3 (0.31) | 12,368 (1.38) | 0.51 | 0.16–1.64 | 0.258 | ||
| Sex | Female | 493 (50.62) | 426,073 (47.65) | Base | 0.082 | ||
| Male | 479 (49.18) | 463,890 (51.88) | 0.89 | 0.79–1.01 | 0.076 | ||
| Uncategorised | 2 (0.21) | 4,205 (0.47) | 0.41 | 0.10–1.65 | 0.210 | ||
| Neuter | Entire | 459 (47.13) | 487,783 (54.55) | Base | < 0.001 | ||
| Neutered | 513 (52.67) | 402,181 (44.98) | 1.36 | 1.20–1.54 | < 0.001 | ||
| Uncategorised | 2 (0.21) | 4,204 (0.47) | 0.51 | 0.13–2.03 | 0.336 | ||
| Insurance | Non-insured | 725 (74.44) | 779,462 (87.17) | Base | < 0.001 | ||
| Insured | 249 (25.56) | 114,706 (12.83) | 2.33 | 2.02–2.70 | < 0.001 |
Column percentages shown in brackets.
CI confidence interval.