Table 2.

Association between lab-defined nosocomial influenza and influenza vaccination rate

Variables	Crude IRR	95% CI	p-value	Adjusted IRR	95% CI	p-value
Clinical HCW Vaccination Rate (per 10% increase)	0.79	(0.58, 1.07)	0.128	0.89	(0.69, 1.15)	0.37
Number of Admissions in which Influenza Testing was Performed	1.01	(1.00, 1.01)	< 0.001	1.00	(1.00, 1.01)	0.24
Non-Nosocomial Influenza Incidence Rate (per 1 in 10,000 patient-days)	1.05	(1.04, 1.07)	< 0.001	1.04	(1.00, 1.07)	0.027
Time (months)	1.00	(0.99, 1.02)	0.50	–	–	–