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Table 6 Final multivariable logistic regression model evaluating risk factors for association with diagnosis of at least one upper respiratory tract disorder in dogs attending primary-care veterinary practices in England. Breed type was the factor of primary interest

From: Epidemiological associations between brachycephaly and upper respiratory tract disorders in dogs attending veterinary practices in England

Variable Category Odds ratio 95 % CI P-valuea
Breed type West Highland White Base   (< 0.001)
  Border Terrier 1.4 0.6–2.9 0.409
  Yorkshire Terrier 2.2 1.1–4.5 0.026
  Bulldog 4.0 2.1–7.9 < 0.001
  French Bulldog 5.1 2.6–10.2 < 0.001
  Pug 6.9 3.6–13.3 < 0.001
Bodyweight categories within extreme brachycephalic and moderate and non-brachycephalic categories High Base   (< 0.001)
  Mid 1.3 0.8–2.1 0.324
  Low 1.8 1.1–2.9 0.020
  No recorded bodyweight 0.6 0.4–1.1 0.079
Insurance Non-insured Base   
  Insured 1.9 1.3–2.8 0.002
  1. aFor variables with >2 categories, the overall P-value is shown in brackets