Table 3.

Logistic regression model for risk factors associated with uncontrolled outdoor access for cats based on owner reports, with province/state asLiving location a random effect (N = 7,838 participants).

Risk factors		ORa	95% CIb	P
Sex		-	-	<0.001
	Female (ref.)c	-	-	-
	Male	1.58	1.28, 1.94	<0.001
Breed		-	-	<0.001
	Domestic short-haired cat (ref.)	-	-	-
	Domestic long-haired cat	1.03	0.75, 1.26	0.832
	Purebred cat	0.30	0.16, 0.56	<0.001
Age		-	-	<0.001
	1–6 years (ref.)	-	-	-
	<4 months	0.02	0.001, 0.29	0.005
	4–12 months	0.24	0.13, 0.45	<0.001
	7–10 years	1.24	0.95, 1.61	0.116
	11–14 years	1.36	0.99, 1.88	0.060
	15+ years	2.33	1.54, 3.52	<0.001
Medical condition		-	-	0.003
	No (ref.)	-	-	-
	Yes	0.68	0.53, 0.88	0.003
Aggression		-	-	<0.001
	No (ref.)	-	-	-
	No opportunity to assess	0.38	0.09, 1.68	0.203
	Yes	1.70	1.38, 2.10	<0.001
Scratch		-	-	0.0068
	No (ref.)	-	-	-
	No opportunity to assess	5.06	1.84, 13.90	0.002
	Yes	1.01	0.82, 1.25	0.924
Indoor contract acquisition source		-	-	<0.001
	No (ref.)	-	-	-
	Unsure	0.59	0.39, 0.88	0.010
	Yes	0.43	0.29, 0.63	<0.001
		-	-	0.003
	Cat rescue or shelter (ref.)	-	-	-
	Cattery	0.69	0.24, 2.03	0.504
	Classified advertisement	1.05	0.70, 1.56	0.825
	Family or friend	1.21	0.89, 1.65	0.224
	Free-roaming stray	1.88	1.39, 2.56	<0.001
	Pet store	1.36	0.86, 2.14	0.187
	Other	0.83	0.41, 1.70	0.614

Cat characteristics reported here, with other aspects of the model reported in Tables 4–7.

^aOdds ratio based on the output of mixed logistic regression model.

^b95% confidence interval of the odds ratio.

^cReferent category.

Bolded values indicate significance (p < 0.05).