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Table 4 Multivariate logistic regression analysis

From: Which preventive measures might protect health care workers from SARS?

Risk factors OR (95% CI) P value
Caring for "Super Spreading Patient" (No = 0: yes = 1) 3.57(1.94~6.57) <0.001
Avoiding face to face contact while caring for SARS patients   
   Never 1.00  
   Sometimes 0.67(0.36~1.24) >0.05
   Often 0.30(0.10~0.90) <0.05
   Every time 0.30(0.15~0.60) <0.001
Number of pairs of gloves worn (Double = 0: single = 1) 4.13(1.99~8.55) <0.001
Method of air ventilation in office and SARS ward   
   Artificial central ventilation 1.00  
   Natural ventilation 0.40(0.18~0.88) <0.05
   Natural ventilation and additional electronic exhaust fan 0.27(0.16~0.63) <0.01
Performing tracheal intubations (No = 0: yes = 1) 2.76(1.16~6.53) <0.05