Table 3.
Results from multivariable logistic regression models of associations between reporting of health disorders and cat diet type, with confounders (age, breed type, sex, body condition score) controlled for
| Health Disorder | Variable | Odds Ratio | 95% CI | P-value |
|---|---|---|---|---|
| Cardiac | Age | 1.15 | 1.045–1.258 | 0.004 |
| Breed type, DLH | 3.58 | 1.006–12.700 | 0.003 | |
| Diet, PB | 0.69 | 0.152–3.162 | 0.636 | |
| Diet, PB+MB/H | – | |||
| Dental | Age | 1.11 | 1.070–1.152 | < 0.001 |
| Diet, PB | 0.84 | 0.495–1.434 | 0.528 | |
| Diet, PB+MB/H | 0.51 | 0.287–0.891 | 0.018 | |
| Dermatological | Age | 1.08 | 1.038–1.129 | < 0.001 |
| Diet, PB | 0.79 | 0.415–1.512 | 0.480 | |
| Diet, PB+MB/H | 0.64 | 0.337 0 1.215 | 0.172 | |
| Endocrine | Age | 1.37 | 1.234–1.519 | < 0.001 |
| BCS, 3 | 0.13 | 0.030–0.561 | < 0.001 | |
| BCS, 5 | 0.07 | 0.018–0.272 | < 0.001 | |
| BCS, 7 | 0.07 | 0.015–0.315 | 0.001 | |
| BCS, 9 | 0.05 | 0.008–0.359 | 0.003 | |
| Diet, PB | 0.57 | 0.156–2.113 | 0.248 | |
| Diet, PB+MB/H | 0.47 | 0.131–0.356 | 0.404 | |
| GI and hepatic | Age | 1.09 | 1.049–1.140 | < 0.001 |
| Diet, PB | 0.16 | 0.051–0.530 | 0.003 | |
| Diet, PB+MB/H | 0.53 | 0.273–1.028 | 0.060 | |
| Lower urinary tract | Age | 1.10 | 1.057–1.152 | < 0.001 |
| Sex, male | 2.88 | 1.836–4.518 | < 0.001 | |
| Diet, PB | 0.96 | 0.508–1.827 | 0.908 | |
| Diet, PB+MB/H | 1.20 | 0.678–2.127 | 0.534 | |
| Neoplasia | Age | 1.32 | 1.180–1.487 | < 0.001 |
| Diet, PB | 1.10 | 0.228–5.305 | 0.907 | |
| Diet, PB+MB/H | 1.83 | 0.543–6.194 | 0.329 | |
| Neurological | Diet, PB | 1.14 | 0.326–4.014 | 0.834 |
| Diet, PB+MB/H | – | |||
| Obesity | BCS, 9 | 8.50 | 1.064–67.940 | 0.041 |
| Diet, PB | 0.84 | 0.360–1.977 | 0.695 | |
| Diet, PB+MB/H | 0.74 | 0.347–1.582 | 0.438 | |
| Ocular | Breed type, mix | 3.66 | 1.609–8.321 | 0.003 |
| Diet, PB | 0.64 | 0.218–1.849 | 0.406 | |
| Diet, PB+MB/H | 0.11 | 0.015–0.923 | 0.027 | |
| Renal | Age | 1.30 | 1.196–1.411 | < 0.001 |
| Diet, PB | 0.16 | 0.021–1.250 | 0.081 | |
| Diet, PB+MB/H | 0.27 | 0.061–1.168 | 0.080 | |
Referent categories: Breed type = domestic shorthair, Diet = meat-based, BCS = 1, sex = female
DLH domestic longhair, PB plant-based, PB+MB/H plant-based with animal-derived treats/snacks/supplements and/or ability to hunt, BCS body condition score. Odds ratios for categories with insufficient numbers could not be computed (−)