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Table 4 Possible risk factors and their association with hepatitis virus infection at Gondar town Health institutions, 2011

From: Seroprevalence of hepatitis B and C viruses among medical waste handlers at Gondar town Health institutions, Northwest Ethiopia

Risk factors HBV or HCV positive (n = 7) Negative for both HBV and HCV (n = 93) Total (N = 100) RR(Risk ratio 95% CI) P-value
Blood transfusion      
   Yes 1(14%) 2(2%) 3(3%) 1.0  
   No 6(86%) 91(98%) 97(97%) 5.4(0.91-31.9) 0.19*
   Needle stick & others sharp object injury      
   Yes 5(71%) 38(41%) 43(43%) 1.0  
   No 2(29%) 55(59%) 57(57%) 3.31(0.67-16.3) 0.14
Splash of body fluid to the eye, nose, & mucus membrane      
   Yes 4(57%) 40(43%) 44(44%) 1.0  
   No 3(43%) 53(57%) 56(56%) 1.7(0.40-7.2) 0.69
Tooth extractions      
   Yes 3(43%) 32(34%) 35(35%) 1.0  
   No 4(57%) 61(66%) 65(65%) 1.39(0.33-5.9) 0.69
  1. *Fisher exact test
  2. N total sample size of MWHs
  3. n number of positive or negative for hepatitis virus