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Table 3 Final breed-focused mixed effects multivariable logistic regression model for predisposing factors associated with otitis externa in dogs under primary veterinary care in the VetCompass™ Programme in the UK. Clinic attended was included as a random effect

From: Frequency and predisposing factors for canine otitis externa in the UK – a primary veterinary care epidemiological view

Variable

Category

Odds ratio

95% CIa

P-value

Breed

Crossbreed

Base

  

Basset Hound

5.87

3.26–10.57

<  0.001

Chinese Shar Pei

3.44

2.04–5.78

<  0.001

Labradoodle

2.95

1.96–4.46

<  0.001

Beagle

2.54

1.67–3.86

<  0.001

Golden Retriever

2.23

1.51–3.28

<  0.001

Cockapoo

2.22

1.65–3.00

<  0.001

American Bulldog

2.16

1.09–4.26

0.027

French Bulldog

2.11

1.50–2.96

<  0.001

English Bulldog

2.08

1.35–3.21

0.001

Pug

1.95

1.40–2.72

<  0.001

Cavapoo

1.92

1.03–3.59

0.040

West Highland White Terrier

1.72

1.27–2.34

<  0.001

Rottweiler

1.67

1.01–2.77

0.047

Cocker Spaniel

1.67

1.29–2.17

<  0.001

Labrador Retriever

1.64

1.33–2.01

<  0.001

Bichon Frise

1.49

1.02–2.18

0.042

Boxer

1.40

0.89–2.22

0.149

English Springer Spaniel

1.24

0.88–1.76

0.226

Lhasa Apso

1.23

0.80–1.89

0.351

Border Terrier

1.15

0.71–1.85

0.571

German Shepherd Dog

1.13

0.80–1.61

0.482

Cavalier King Charles Spaniel

1.13

0.78–1.64

0.518

Shih Tzu

1.00

0.73–1.36

0.986

Other purebreds

0.96

0.80–1.14

0.625

Staffordshire Bull Terrier

0.95

0.73–1.23

0.678

Jack Russell Terrier

0.52

0.37–0.72

<  0.001

Yorkshire Terrier

0.49

0.32–0.74

0.001

Border Collie

0.34

0.19–0.58

<  0.001

Chihuahua

0.20

0.11–0.36

<  0.001

Bodyweight relative to breed mean

Lower

Base

  

Equal/Higher

1.45

1.29–1.63

<  0.001

Unavailable

0.80

0.69–0.93

0.003

Age (years)

< 1.0 years

1.00

  

1.0 - < 2.0 years

1.56

1.24–1.97

<  0.001

2.0 - < 4.0 years

1.43

1.13–1.80

0.003

4.0 - < 6.0 years

1.38

1.08–1.76

0.010

6.0 - < 8.0 years

1.47

1.14–1.89

0.003

8.0 - < 10.0 years

1.45

1.11–1.88

0.006

10.0 - < 12.0 years

1.57

1.19–2.07

0.001

> or = 12.0 years

1.22

0.92–1.63

0.171

No age available

1.44

0.80–2.58

0.220

Sex

Female

Base

  

Male

1.21

1.09–1.34

<  0.001

Unrecorded

0.78

0.24–2.54

0.683

Insurance

Uninsured

Base

  

Insured

1.34

1.17–1.54

<  0.001

  1. aCI Confidence interval
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Canine Medicine and Genetics

ISSN: 2662-9380