Table 3.

Descriptive and univariable logistic regression results for breed-derived risk factors for skin fold dermatitis during 2016 in dogs under primary veterinary care in the VetCompass Programme in the UK.

Variable	Category	Case No. (%)	Non-case No. (%)	Odds ratio	95% CI	Category P-value	Variable P-value
Breed purity	Crossbred	99 (10.19)	193,388 (21.71)	Base			< 0.001
	Designer	32 (3.29)	52,321 (5.87)	1.19	0.80–1.78	0.382
	Purebred	841 (86.52)	645,188 (72.42)	2.55	2.07–3.14	< 0.001
Kennel Club Recognised Breed	Not recognised	143 (14.71)	260,542 (29.24)	Base			< 0.001
	Recognised	829 (85.29)	630,355 (70.76)	2.40	2.01–2.86	< 0.001
Kennel Club Breed Group	Not Kennel Club recognised breed	143 (14.71)	260,542 (29.24)	Base			< 0.001
	Terrier	81 (8.33)	144,862 (16.26)	1.02	0.78–1.34	0.894
	Gundog	180 (18.52)	133,805 (15.02)	2.45	1.97–3.05	< 0.001
	Working	40 (4.12)	38,628 (4.34)	1.89	1.33–2.68	< 0.001
	Pastoral	23 (2.37)	52,615 (5.91)	0.80	0.51–1.24	0.311
	Utility	317 (32.61)	99,302 (11.15)	5.82	4.77–7.09	< 0.001
	Hound	27 (2.78)	31,060 (3.49)	1.58	1.05–2.39	0.028
	Toy	161 (16.56)	130,083 (14.60)	2.26	1.80–2.82	< 0.001
Haircoat length	Long	39 (4.00)	91,373 (10.22)	Base			< 0.001
	Medium	272 (27.93)	189,370 (21.18)	3.37	2.41–4.71	< 0.001
	Short	523 (53.70)	333,387 (37.28)	3.68	2.65–5.09	< 0.001
	Uncategorised	140 (14.37)	280,038 (31.32)	1.17	0.82–1.67	0.383
Skull conformation	Mesocephalic	314 (32.24)	414,192 (46.32)	Base			< 0.001
	Brachycephalic	482 (49.49)	161,799 (18.09)	3.93	3.41–4.53	< 0.001
	Dolichocephalic	45 (4.62)	69,197 (7.74)	0.86	0.63–1.17	0.336
	Uncategorised	133 (13.66)	248,980 (27.84)	0.71	0.58–0.86	0.001
Spaniel	Non spaniel-type	651 (66.84)	569,777 (63.72)	Base			< 0.001
	Spaniel-type	190 (19.51)	75,411 (8.43)	2.21	1.88–2.59	< 0.001
	Uncategorised	133 (13.66)	248,980 (27.84)	0.47	0.39–0.56	< 0.001

Column percentages shown in brackets.

CI confidence interval.