Table 1.

ESBL contamination of hands pre- and post-handwashing, by healthcare worker or caregiver, and sampling event

	Sampling event #1	Sampling event #2	Sampling event #3
Healthcare worker hands
Pre-wash contaminated	29% (7/24)	40% (2/5)	45% (5/11)
Post-wash contaminated	38% (9/24)*	20% (1/5)	18% (2/11)
Caregiver hands
Pre-wash contaminated	85% (11/13)	55% (11/20)	63% (5/8)
Post-wash contaminated	55% (6/11)†	53% (8/15) †	38% (3/8)

^*Contamination among healthcare workers increased during the first sampling event, with Pseudomonas spp. accounting for most post-wash cultures

^†Some participants were lost to follow-up to obtain post-wash swabs