Table 5 Risk factors: Results from a logistic regression model for life time exposure to Hepatitis B Virus infection
Variables | Life time exposure to HBV infection | |||
|---|---|---|---|---|
| Â | Unadjusted OR [95% CI] | P-value | Adjusted OR [95% CI] | P-value |
Gender(Ref = Male) | Â | Â | Â | Â |
   Female | 0.66[0.41-1.07] | 0.090 | 0.57[0.28-1.18] | 0.129 |
Age (Ref = 20-29 years) | Â | Â | Â | Â |
   30-39 years | 1.04[0.60-1.78] | 0.899 | 1.05[0.53-2.10] | 0.889 |
   40+ years | 1.32[0.74-2.35] | 0.339 | 1.54[0.51-4.60] | 0.443 |
Religion(Ref = Catholics) | Â | Â | Â | Â |
   Protestants | 0.87[0.52-1.44] | 0.580 | 0.93[0.53-1.63] | 0.804 |
   Moslems | 1.22[0.52-2.87] | 0.648 | 1.69[0.65-4.37] | 0.279 |
   Other Christians | 1.00[0.55-1.81] | 0.996 | 1.05[0.54-2.03] | 0.892 |
Marital status(Ref = Single) | Â | Â | Â | Â |
   Married | 1.10[0.71-1.72] | 0.667 | 1.31[0.78-2.20] | 0.315 |
   Separated/widow | 1.53[0.64-3.69] | 0.341 | 2.20[0.79-6.14] | 0.133 |
Years in service(Ref = < 10 years) | Â | Â | Â | Â |
   10-19 years | 0.85[0.53-1.39] | 0.527 | 1.09[0.55-2.19] | 0.800 |
   20+ years | 1.14[0.68-1.93] | 0.616 | 1.02[0.35-2.96] | 0.966 |
Cadre(Ref = Doctors) | Â | Â | Â | Â |
   Clinical/dental Officer | 0.72[0.28-1.82] | 0.484 | 0.57[0.19-1.68] | 0.310 |
   Nurse | 1.09[0.63-1.86] | 0.765 | 1.41[0.66-3.01] | 0.379 |
   Midwife | 0.85[0.34-2.13] | 0.727 | 0.96[0.31-2.99] | 0.944 |
   Laboratory technician | 3.39[1.20-9.63] | 0.022 | 3.99[1.21-13.19] | 0.023 |
   Nursing assistant | 0.82[0.32-2.12] | 0.680 | 0.72[0.22-2.36] | 0.591 |
Changed department (Ref = Yes) | Â | Â | Â | Â |
   No | 1.35[0.89-2.05] | 0.159 | 1.33[0.81-2.18] | 0.253 |
Needle stick injury(Ref = Yes) | Â | Â | Â | Â |
   No | 1.11[0.72-1.73] | 0.637 | 1.02[0.61-1.70] | 0.950 |
Cut injury(Ref = Yes) | Â | Â | Â | Â |
   No | 1.56[0.94-2.58] | 0.083 | 1.56[0.88-2.74] | 0.127 |
Mucocutaneous exposure(Ref = Yes) | Â | Â | Â | Â |
   No | 1.08[0.71-1.66] | 0.714 | 0.90[0.55-1.49] | 0.694 |
Use gloves (Ref = Always) | Â | Â | Â | Â |
   Some times | 1.04[0.69-1.58] | 0.847 | 1.02[0.63-1.64] | 0.944 |
Vaccinated (Ref = Yes) | Â | Â | Â | Â |
   No | 0.60[0.23-1.52] | 0.277 | 0.56[0.20-1.61] | 0.286 |
Protective wear always available (Ref = Yes) | Â | Â | Â | Â |
   No | 0.97[0.50-1.86] | 0.926 | 1.04[0.51-2.14] | 0.910 |
Surgical operation (Ref = Yes) | Â | Â | Â | Â |
   No | 1.57[1.02-2.44] | 0.042 | 1.78[1.06-2.97] | 0.028 |
Blood transfusion (Ref = Yes) | Â | Â | Â | Â |
   No | 0.98[0.44-2.18] | 0.960 | 0.64[0.26-1.60] | 0.341 |
Trained in infection prevention(Ref = Yes) | Â | Â | Â | Â |
   No | 1.67[1.07-2.61] | 0.023 | 1.85[1.12-3.03] | 0.015 |
Body scarification(Ref = Yes) | Â | Â | Â | Â |
   No | 1.02[0.67-1.57] | 0.914 | 0.89[0.54-1.48] | 0.664 |