TABLE 5.

Multivariate Model Predicting the Likelihood of an Environmental Culture Positive for Methicillin-Resistant Staphylococcus aureus or Vancomycin-Resistant Enterococci, Clustering by Room

Variable	Odds ratio (95% CLs)	P
ICU type: surgical	3.0 (1, 9.2)	.05
Surface type
Monitor touch pad	1.0
Equipment cart	3.4 (0.7, 17.2)	.15
Countertop	6.2 (1.3, 29.2)	.02
Bed rail	7.1 (0.9, 55.9)	.06
Doorknobs	11.7 (2.6, 53.3)	.002
Linen hamper and trash bin	19.7 (4.4, 89.0)	<.001
Intervention period	0.4 (0.2, 0.9)	.02

NOTE. CLs, confidence limits; ICU, intensive care unit.