The identification and epidemiology of meticillin-resistant Staphylococcus aureus and Clostridium difficile in patient rooms and the ward environment

Table 4 Univariable regression analyses of variables associated with MRSA or C. difficile contamination in patient rooms

Variable	Description	OR	P-value	Overall P-value for the variable
Dependent variable: surface contaminated with MRSA
Ward	Medicine A	Referent		0.614
	Medicine B	0.38	0.648
	Surgery	0.44	0.423
Type of patient room	Unexposed	Referent		0.594
	MRSA exposed	0.47	0.679
	C. difficile exposed	1.06^a	0.634
Surface material	Plastic	Referent		0.776
	Cork	0.49^a	0.346
	Fabric	0.61	0.999
	Laminate	0.57	0.693
Surface sampled	End of bed	Referent		0.111
	Bulletin board	1.18^a	0.999
	Chair back	4.39	0.200
	Overbed table	1.03	0.999
	Privacy curtain	1.08	0.999
	Television	1.15^a	0.999
Dependent variable: surface contaminated with *C. difficile*
Ward	Medicine A	Referent		0.884
	Medicine B	0.76	0.744
	Surgery	0.73	0.758
Type of patient room	Unexposed	Referent		0.008
	MRSA exposed	0.31	0.301
	C. difficile exposed	4.71	0.031
Surface material	Plastic	Referent		0.017
	Cork	3.84	0.030
	Fabric	0.36	0.336
	Laminate	0.97	0.999
Surface sampled	End of bed	Referent		0.059
	Bulletin board	4.03	0.131
	Chair back	1.03	0.999
	Overbed table	1.03	0.999
	Privacy curtain	0.44^a	0.494
	Television	1.15	0.999

ISSN: 1471-2334