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. 2019 Oct 4;61(1):32–41. doi: 10.1111/jsap.13067

Table 2.

Final mixed‐effects breed‐multivariable logistic regression results for risk factors associated with diagnosis of demodicosis in dogs aged <2 years under primary veterinary care in the UK

Variable Category Cases Total Odds ratio 95% CI Category P‐value Variable P‐value
Breed Crossbreed 132 35,592 Base <0.001
British bulldog 47 1321 11.26 7.94 to 15.97 <0.001
Staffordshire bull terrier 191 8937 7.11 5.65 to 8.93 <0.001
Chinese shar‐pei 14 764 6.57 3.73 to 11.60 <0.001
Dogue de Bordeaux 13 733 5.92 3.30 to 10.62 <0.001
Pug 50 2616 5.41 3.87 to 7.55 <0.001
French bulldog 30 1594 5.07 3.37 to 7.63 <0.001
Boxer 9 1270 2.04 1.03 to 4.04 0.040
Rottweiler 5 1351 1.16 0.47 to 2.85 0.743
Border terrier 5 1220 1.10 0.45 to 2.70 0.838
Cocker spaniel 13 4252 0.78 0.44 to 1.38 0.394
Border collie 7 2715 0.70 0.32 to 1.50 0.354
Others 48 22,931 0.60 0.43 to 0.84 0.046
Jack Russell terrier 10 5730 0.53 0.28 to 1.00 0.050
Springer spaniel 3 1580 0.51 0.16 to 1.61 0.254
Chihuahua 9 5725 0.48 0.24 to 0.94 0.032
Shih Tzu 9 5535 0.44 0.22 to 0.87 0.018
German shepherd dog 4 2951 0.42 0.15 to 1.13 0.018
Labrador retriever 9 7384 0.32 0.16 to 0.64 0.001
Cavalier King Charles spaniel 2 2077 0.26 0.07 to 1.07 0.062
West Highland White terrier 1 1710 0.17 0.02 to 1.12 0.065
Bichon 1 2036 0.13 0.02 to 0.96 0.046
Lhasa apso 1 1970 0.13 0.02 to 0.97 0.046
Golden retriever 0 994 Zero cases ~ ~
Yorkshire terrier 0 3435 Zero cases ~ ~
Bodyweight relative to breed/sex mean Lower 160 33,771 Base <0.001
Equal/Higher 130 16,774 1.50 1.18 to 1.91 0.001
Unavailable 323 75,878 0.54 0.44 to 0.67 <0.001
Age (years) <1.0 years 533 61,988 Base <0.001
1.0 to <2.0 years 80 64,435 0.12 0.09 to 0.15 <0.001
Sex‐neuter Female‐entire 170 35,609 Base <0.001
Female‐neutered 96 16,456 1.44 1.10 to 1.90 0.008
Male‐entire 156 36,749 0.87 0.70 to 1.08 0.216
Male‐neutered 107 20,708 1.32 1.01 to 1.71 0.039
Unavailable 84 16,901 1.45 1.07 to 1.96 0.016

CI Confidence interval

P‐values under 0.05 are shown in bold

n=126,423