Table 2.

Results of univariable logistic regression models concerning demographic characteristics and other factors that were associated with euthanasia among cats from a shelter in Kitchener-Waterloo, Ontario (2011)

Variable name	Referent category	Other categories	OR	P value	CI
Sex	Female	Male	0.82	0.004	0.72–0.94
		Unknown	2.38	<0.001	1.82–3.10
Altered	No	Unknown	1.97	<0.001	1.62–2.39
		Yes	0.17	<0.001	0.14–0.21
Source	Stray	Surrender	19.35	<0.001	11.8–31.6
		Euthanasia request	0.63	<0.001	0.50–0.80
		Shelter offspring	0.32	<0.001	0.22–0.48
Jurisdiction	Urban	Out of area/unknown	5.00	<0.001	3.09–8.13
		Small town/rural	2.12	<0.001	1.68–2.69
Age			1.08	<0.001	1.06–1.10
Age (squared)			1.00	<0.001	1.003–1.005
Total time in shelter (days)	<5	5–20	0.61	<0.001	0.52–0.72
		>20	0.08	<0.001	0.06–0.09
Color	Other	Black	1.32	<0.001	1.14–1.53
Season left shelter	Winter	Spring	1.81	<0.001	1.48–2.21
		Summer	1.78	<0.001	1.47–2.16
		Fall	1.77	<0.001	1.47–2.12
Times in shelter	Not re-admitted	Re-admitted	0.22	<0.001	0.12–0.41
Breed	Non-purebred	Purebred	1.10	0.62	0.75–1.63

OR = odds ratio; CI = confidence interval