Prevalence and Risk Factors of Colonization with Staphylococcus aureus in Healthy Pet Cats Kept in the City Households
Table 3
The statistical analysis results of risk factors associated with the colonization of S. aureus in cats under investigation.
Variable
Test
S. aureus
MRSA
value
OR
95% CI
value
OR
95% CI
Breed (crossbreed or pedigree)
Chi-squared
0.29
0.728
0.43–1.24
0.21
0.537
0.23–1.27
Age
Wilcoxon
0.26
0.12
Sex
Chi-squared
0.46
1.26
0.74–2.13
0.53
1.43
0.61–3.4
Number of the household residents who had close contact with the cat under investigation
Wilcoxon
0.022
0.08
The family member works in healthcare or in veterinary healthcare
Chi-squared
0.0032
2.29
1.33–3.92
0.019
2.9
1.23–6.95
Hospitalization of an owner in the previous year
Chi-squared
0.075
0.457
0.18–0.98
0.12
0.212
0.01–1.03
Diagnosis of S. aureus colonization in the previous year: in household resident or cat under investigation or other animals kept in the household (confirmation of the colonization using laboratory methods)
Chi-squared
0.013
1.56
0.92–2.63
0.016
3.49
1.26–8.76
Number of animals kept in the same household
Dogs
Wilcoxon
0.0078
0.017
Cats
Wilcoxon
0.24
0.16
Others
Wilcoxon
0.76
0.87
Treatment of cat under investigation in the previous year
Chi-squared
0.00056
2.58
1.51–4.4
0.015
3.01
1.28–7.31
Treatment of other pets in the previous year
Chi-squared
0.65
1.17
0.69–1.97
0.75
1.26
0.53–2.99
MRSA: methicillin-resistant Staphylococcus aureus; value: probability value; results statistically significant; Chi-squared: degrees of freedom is 1.