Table 4 Possible risk factors and their association with hepatitis virus infection at Gondar town Health institutions, 2011
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 | Â | Â | Â | Â | Â |
   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 | Â | Â | Â | Â | Â |
   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 | Â | Â | Â | Â | Â |
   Yes | 3(43%) | 32(34%) | 35(35%) | 1.0 |  |
   No | 4(57%) | 61(66%) | 65(65%) | 1.39(0.33-5.9) | 0.69 |