Table 3.
Logistic regression analysis for independent predictors of contact with HBV (HBsAg-positive or HBsAg-negative/anti-HBc-positive status vs. HBsAg/anti-HBc-negative status)
| Parameter | OR | 95%CI | P | |
|---|---|---|---|---|
| Lower | Upper | |||
| Gender | ||||
| Male vs. female | 1.79 | 1.28 | 2.51 | 0.001 |
| Age | 1.02 | 1.01 | 1.04 | 0.001 |
| Country of origin | ||||
| SSA vs. North Africa | 6.18 | 3.37 | 11.36 | 0.000 |
| Eastern Europe vs. North Africa | 2.00 | 1.02 | 3.91 | 0.043 |
| Asia vs. North Africa | 2.65 | 1.35 | 5.21 | 0.005 |
| America vs. North Africa | 0.96 | 0.07 | 6.07 | 0.72 |
| Years of schooling | 0.96 | 0.94 | 0.99 | 0.007 |
| Sexual risk factors | ||||
| Sexual vs. parenteral exposurea | 0.73 | 0.49 | 1.1 | 0.13 |
| Risk factors (minorb) | ||||
| Minor risks vs. other risks | 1.54 | 1.1 | 2.16 | 0.011 |
aDrug addiction, surgery, dental care, abortion, blood transfusion
bAcupuncture, tattoo, piercing, tribal practices