Nasal colonization with methicillin-resistant Staphylococcus aureus among elderly living in nursing homes in Brazil: risk factors and molecular epidemiology

Table 1 Multivariable analysis of factors associated with overall Staphylococcus aureus and MRSA colonization among elderly persons living in nursing homes in Bauru, Brazil

Risk factors	Coefficient (beta)	Standard error	OR (95% CI)	P
Staphylococcus aureus
Age	0.031	0.014	1.03 (1.00–1.06)	0.029
Recent hospital admission	1.388	0.430	4.01 (1.73–9.31)	0.001
MRSA
Medium-sized nursing home^a	2.404	1.131	11.07 (1.21–101.69)	0.034
Small-sized nursing home^a	2.420	1.132	11.25 (1.22–103.46)	0.033
Recent hospital admission	2.284	0.706	9.82 (2.46–39.18)	0.001

300 subjects were included. Overall Staphylococcus aureus colonization was found in 53 subjects, while MRSA colonization was found in 11 subjects
MRSA Methicillin-resistant Staphylococcus aureus, OR odds ratio, CI confidence interval
^a Versus large nursing homes

ISSN: 1476-0711