Skip to main content

Table 2 Multivariate logistic (1, 2, 4) and linear (3) regression models results

From: Healthcare workers and health care-associated infections: knowledge, attitudes, and behavior in emergency departments in Italy

Variable OR 95% CI p
Model 1. HCWs who know the risk of acquiring HCV and HIV infections from a patient
Log likelihood = -81.13, χ2 = 63.68 (8 df), p < 0.0001    
Know that HCV and HIV infections can be serious 8.09 3.31-19.81 <0.001
Fewer number of years in practice 0.9 0.85-0.96 0.002
Fewer number of working hours in a week 0.9 0.84-0.97 0.006
Need of additional information about HAIs 0.06 0.01-0.55 0.012
Educational courses and scientific journals as sources of information about HAIs 3.54 1.22-10.24 0.02
Know the risk for a HCW of transmitting HCV and HIV infections to a patient 6.07 1.31-28.14 0.021
Older age 1.06 0.99-1.14 0.08
Fewer number of patients seen in a day 0.99 0.96-1.01 0.32
Model 2. HCWs who know that using standard precautions and hands hygiene after removing gloves are HAI's control measures
Log likelihood = -98.84, χ2 = 47.37 (6 df), p < 0.0001    
Not know the risk for a HCW of transmitting HCV and HIV infections to a patient 0.24 0.11-0.5 <0.001
Know that HCWs hands are vehicle for transmission of nosocomial pathogens 4.64 1.85-11.68 0.001
Educational courses and scientific journals as sources of information about HAIs 3.54 1.47-8.5 0.005
Working as a nurse 2.34 1.09-5.01 0.029
Fewer number of patients seen in a workday 0.98 0.95-0.99 0.05
Fewer number of years in practice 0.97 0.93-1.01 0.16
Model 4. HCWs who often or always use gloves when at direct contact with a patient and performed hands hygiene measures after removing gloves
Log likelihood = -114.73, χ2 = 71.02 (10 df), p < 0.0001    
Know that hands hygiene after removing gloves is a HAIs control measure 8.09 2.83-23.1 <0.001
Fewer number of patients seen in a workday 0.97 0.95-0.99 0.014
Working as a nurse 2.33 1.13-4.79 0.022
Know that invasive procedures are a risk factor for HAI 2.69 0.92-7.84 0.07
Educational courses and scientific journals as sources of information about HAIs 2.15 0.89-5.2 0.09
Know the risk for a HCW of acquiring HCV and HIV infections from a patient 2.22 0.88-5.58 0.09
Higher perceived risk for a HCW of acquiring a HAI 1.15 0.96-1.37 0.12
Beliefs that the use of guidelines for HAIs control practices do not reduce the risk 0.4 0.1-1.61 0.2
Not know the risk for a HCW of transmitting HCV and HIV infections to a patient 0.62 0.27-1.4 0.25
Younger age 0.98 0.94-1.02 0.31
Variable Coeff. t p
Model 3. HCWs who perceive a risk of acquiring a HAI from a patient
F(10,296) = 4.88, p < 0.0001, R2 = 14.2%, adjusted R2 = 11.3%    
Need of additional information about HAIs 1.23 3.86 <0.001
Working as a nurse 0.66 3.01 0.003
Educational courses and scientific journals as sources of information about HAIs 0.76 2.43 0.016
Know that HCWs hands are vehicle for transmission of nosocomial pathogens 0.72 1.98 0.049
Know the risk for a HCW of transmitting HCV and HIV infections to a patient 0.32 1.24 0.22
Fewer number of years in practice -0.02 -1.2 0.23
Know that HCV and HIV infections can be serious 0.37 1.19 0.23
Know the risk for a HCW of acquiring HCV and HIV infections from a patient 0.38 1.06 0.29
Higher number of other persons in the household 0.07 1.03 0.3
Higher number of patients seen in a workday 0.01 0.98 0.33
Constant 3.6   
  1. HCW = Healthcare worker; HCV = Hepatitis C Virus; HIV = Human Immunodeficiency Virus; HAI = Health care-associated infection