Table 1.
Risk factors associated with HBV infection in high risk groups
| Risk factor | HBV positive | HBV negative | Total | P value |
|---|---|---|---|---|
| History of imprisonment |
13 (2.1%) |
603 |
616 |
<0.05 |
| History of using injecting drug |
5 (3.16%) |
153 |
158 |
<0.05 |
| Transfusion |
0 (0%) |
22 |
22 |
>0.05 |
| Needle stick |
0 (0%) |
222 |
222 |
>0.05 |
| Thalassemia |
0 (0%) |
49 |
49 |
>0.05 |
| Hemophilia |
0 (0%) |
3 |
3 |
>0.05 |
| Unprotected sex activities |
0 (0%) |
16 |
16 |
>0.05 |
| Others† | 11 (1.19%) | 912 | 923 | >0.05 |
† Tattooing, history of surgery, dental practice, having HBV positive patients in the family.