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

From: An Investigation of Nurses' Knowledge, Attitudes, and Practices Regarding Disinfection Procedures in Italy

Variable OR 95% CI p
Model 1. Knowledge that urinary and respiratory tract infections are the two most common HAIs    
Log likelihood=-311.3, χ2 = 12.35 (4 df), p = 0.0195    
Educational level    
   Primary/Secondary school* 1.0   
   Baccalaureate degree/Graduate degree 1.94 1.18-3.19 0.009
   Registered nurse diploma 1.37 0.86-2.19 0.188
Nurses with a higher perception of risk of transmitting an infectious disease while working 1.46 0.97-2.17 0.006
Number of hospital beds 0.99 0.97-1.01 0.164
Model 3. Performing appropriate antisepsis of the surgical wound and washing hands before and after medication
Log likelihood=-260.17, χ2 = 26.31 (7 df), p = 0.0004
Educational level    
   Primary/Secondary school* 1.0   
   Baccalaureate degree/Graduate degree 1.68 1.06-2.66 0.028
Nurses with a higher perception of risk of transmitting an infectious disease while working 1.56 1.01-2.42 0.049
Nurses working in medical ward 1.4 0.92-2.14 0.115
Head nurses 1.53 0.78-3.01 0.211
Nurses who do not know that non appropriate disinfection increases HCWs' risk of transmitting infectious disease 0.73 0.44-1.21 0.222
Nurses who need additional information about disinfection procedures 1.33 0.75-2.35 0.322
Variable Coeff. t p
Model 2. Positive attitude towards the utility of guidelines/protocols for disinfection procedures
F (5,52) = 5.45, p = 0.0001, R2 = 4.97%, adjusted R2 = 4.06%
Female nurses 0.36 2.49 0.013
Nurses with a lower number of years in practice -0.001 -2.17 0.030
Nurses who need additional information about disinfection procedures 0.38 1.98 0.049
Nurses who know that non appropriate disinfection increases HCWs' risk of getting and transmitting infectious disease 0.28 1.86 0.064
Educational level    
   Primary/Secondary school* 1.0   
   Baccalaureate degree/Graduate degree 0.3 1.72 0.086
Constant 8.61   
  1. *Reference category
  2. HAIs = Healthcare-associated infections
  3. HCWs = Healthcare workers