Colonization of methicillin-resistant Staphylococcus species in healthy and sick pets: prevalence and risk factors

Table 5 Statistical analysis of risk factors associated with staphylococcal colonization

Variable		Test	Animals	Species	P value	OR	95%CI
Presence of children under 12 years of age in the household		Wilcoxon	Cats	S. xylosus	0.01	-	-
			Dogs	S. epidermidis	0.04
			Dogs	S. aureus	0.02
Family member works in healthcare		Fisher	Cats	S. epidermidis	0.04	0.27	0.05–1
			Cats	S. warneri	0.04	0	0–0.99
			Dogs	S. simulans	0.01	13.12	1.69–158.59
Family member works in veterinary healthcare		Fisher	Dogs	S. simulans	0	0	0–1.77
Hospitalization of an owner in the previous year		Fisher	Dogs	S. simulans	0.01	13.52	1.42–662.82
for more than 7 days		Fisher	Cats	S. pseudintermedius	0.02	8.26	1.13–48.63
Treatment of pet under investigation in the previous year		Chi-squared*	Cats	S. epidermidis	0.04	2.35	1.01–5.54
		Fisher		S. cohnii	0.04	5.039	0.81–36.27
		Chi-squared*		S. hominis	0.04	3.53	1–12.26
		Fisher	Dogs	S. saprophyticus	0.05	0	0.87
Treatment of other pets in the previous year		Chi-squared*	Cats	S. felis	0	4.36	1.7–11.58
Treatment of other pets in the previous year		Fisher	Dogs	S. haemolyticus	0.01	13.05	1.38–639.26
Number of other animals kept in the same household	In general	Wilcoxon	Cats	S. warneri	0.02	-	-
	In general		Dogs	S. simulans	0
	Dogs		Dogs	S. haemolyticus	0.03
	Dogs		Dogs	S. simulans	0.01
	Cats		Cats	S. warneri	0.01
	Others		Cats	S. felis	0.02
	Others		Dogs	S. simulans	0
Contact with other animals		Chi-squared*	Cats	S. warneri	0.01	0.2	0.05–0.78
Contact with other animals		Fisher	Dogs	S. pseudintermedius	0.01	0.1	0–0.76
Cats with outdoor access		Chi-squared*	Cats	S. xylosus	0.01	5.12	1.37–21.33

P value Probability value, Chi-squared∗ Degrees of freedom is 1, OR Odd ratio, CI Confidential interval

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