From: Influenza vaccination of healthcare workers in acute-care hospitals: a case-control study of its effect on hospital-acquired influenza among patients
Characteristics
Adjusted ORa (95% CI)
Age, per 1 year older
1.03 (0.99-1.07)
Potential influenza source in the unitb
5.22 (1.08-25.22)
Proportion of vaccinated HCW in the unit
< 35%
1.0 (Ref.)
≥ 35%
0.07 (0.005-0.98)