Variable | Category | Odds ratio | 95% CI* | P-value |
---|---|---|---|---|
Breed | Crossbreed | 1.00 | Â | Â |
Rottweiler | 6.16 | 3.89–9.75 | <  0.001 | |
Labrador Retriever | 5.94 | 4.65–7.60 | <  0.001 | |
German Shepherd Dog | 4.13 | 2.88–5.93 | <  0.001 | |
Golden Retriever | 3.11 | 1.93–5.00 | <  0.001 | |
English Springer Spaniel | 2.00 | 1.26–3.18 | 0.003 | |
Other purebreds | 1.39 | 1.05–1.84 | 0.021 | |
Lhasa Apso | 1.37 | 0.66–2.82 | 0.396 | |
Unknown | 1.36 | 0.19–9.79 | 0.761 | |
Staffordshire Bull Terrier | 1.27 | 0.85–1.89 | 0.243 | |
Cavalier King Charles Spaniel | 1.15 | 0.62–2.15 | 0.655 | |
Border Collie | 1.04 | 0.58–1.85 | 0.900 | |
Cocker Spaniel | 0.95 | 0.54–1.67 | 0.859 | |
Yorkshire Terrier | 0.74 | 0.40–1.39 | 0.353 | |
Boxer | 0.68 | 0.25–1.85 | 0.452 | |
Pug | 0.66 | 0.16–2.67 | 0.557 | |
Shih-tzu | 0.46 | 0.19–1.14 | 0.095 | |
Husky | 0.41 | 0.06–2.96 | 0.379 | |
Jack Russell Terrier | 0.38 | 0.20–0.72 | 0.003 | |
West Highland White Terrier | 0.27 | 0.10–0.73 | 0.010 | |
Bichon | 0.18 | 0.03–1.30 | 0.090 | |
Chihuahua | 0.16 | 0.02–1.18 | 0.072 | |
Border Terrier | 0.00 | ~ | 0.991 | |
Bodyweight relative to breed/sex mean | Lower | 1.00 | Â | Â |
Equal/Higher | 2.00 | 1.68–2.39 | <  0.001 | |
Unavailable | 0.48 | 0.34–0.67 | <  0.001 | |
Age (years) | < 3.0 | 1.00 |  |  |
3.0 - < 6.0 years | 0.84 | 0.64–1.11 | 0.223 | |
6.0 - < 9.0 years | 1.47 | 1.13–1.92 | 0.004 | |
9.0 - < 12.0 years | 2.56 | 1.97–3.32 | <  0.001 | |
> or = 12.0 years | 3.70 | 2.81–4.87 | <  0.001 | |
Unavailable | 0.80 | 0.20–3.26 | 0.758 | |
Sex | Female | 1.00 | Â | Â |
Male | 1.47 | 1.25–1.73 | <  0.001 | |
Unavailable | 0.00 | ~ | 0.995 | |
Neutered | Entire | 1.00 | Â | Â |
Neutered | 1.69 | 1.37–2.10 | <  0.001 | |
Unavailable | 1.54 | 1.16–2.05 | 0.003 | |
Insurance | Uninsured | 1.00 | Â | Â |
Insured | 2.32 | 1.64–3.29 | <  0.001 | |
Unavailable | 1.17 | 0.82–1.67 | 0.381 |