Table 2.
Association between participants’ characteristics (sociodemographic and clinical) and hepatitis B surface antigen (HBsAg) positivity
| Hepatitis B infection (HBsAg result) |
|||||
|---|---|---|---|---|---|
| Variable | N (+ve) | N (−ve) | Per cent (+ve) | Crude OR (CI) | p Value |
| Overall prevalence | 47* | 350 | 11.8 | – | – |
| Age (years) | |||||
| ≤20 | 22 | 88 | 20 | 2.62 (1.41 to 4.89) | 0.002† |
| >20 | 25 | 262 | 8.7 | Ref | |
| Education | |||||
| Informal | 6 | 24 | 20 | Ref | |
| Primary | 17 | 174 | 8.9 | 0.39 (0.14 to 1.09) | 0.070 |
| Secondary | 20 | 120 | 14.3 | 0.67 (0.24 to 1.83) | 0.432 |
| Tertiary | 4 | 32 | 11.8 | 0.50 (0.13 to 1.97) | 0.322 |
| Marital status | |||||
| Not married | 30 | 207 | 12.7 | Reference | |
| Married | 17 | 143 | 10.6 | 0.82 (0.44 to 1.54) | 0.539 |
| Parity | |||||
| 0 | 13 | 80 | 14.0 | Reference | |
| 1–4 | 29 | 221 | 11.6 | 0.81 (0.40 to 1.63) | 0.551 |
| 5+ | 5 | 49 | 9.3 | 0.63 (0.21 to 1.87) | 0.403 |
| HIV status | |||||
| Negative | 43 | 317 | 11.94 | Reference | |
| Positive | 4 | 33 | 10.81 | 0.89 (0.30 to 2.65) | 0.839 |
| Scarification | |||||
| Not done | 5 | 38 | 10.6 | Reference | |
| Done | 42 | 312 | 11.2 | 1.02 (0.38 to 2.74) | 0.934 |
| History of blood transfusion | |||||
| No | 44 | 339 | 11.5 | Reference | |
| Yes | 3 | 11 | 21.43 | 2.10 (0.56 to 7.82 | 0.268 |
| Number of sexual partners in the past 2 years | |||||
| 1 | 43 | 334 | 11.4 | Reference | |
| 2 | 4 | 16 | 20.0 | 1.93 (0.62 to 6.08) | 0.254 |
*Of the 47 with an HBsAg positive result, 7 (14.9%) were found hepatitis B e Antigen positive.
†At the multivariate level, only age was a significant predictor of HBsAg positivity, at aOR=2.54 (1.31 to 4.90); p value 0.006.