Table 3. Associations of demographic and serological markers with risk of infection with HBV or HCV.
| Risk Factor | Hepatitis B surface antigen, N (%) | Hepatitis C antibodies, N (%) | ||||||
|---|---|---|---|---|---|---|---|---|
| HBsAg+ | HBsAg- | OR(95%CI) | Ptrend | Present | Absent | OR(95%CI) | Ptrend | |
| Age Group | 0381 | 0.582 | ||||||
| 14–30 | 33(36.2) | 92(22.7) | Reference | 6(15.8) | 119(24.1) | Reference | ||
| 31–40 | 38(30.2) | 114(28.1) | 0.69(0.25–1.9) | 12(31.6) | 140(28.4) | 1.56(0.25–9.8) | ||
| 41–50 | 26(20.6) | 81(20.0) | 0.62(0.22–1.8) | 8(21.0) | 99(20.1) | 0.67(0.08–5.3) | ||
| >50 | 7(5.6) | 59(14.6) | 0.43(0.10–1.8) | 8(21.0) | 58(11.7) | 1.70(0.19–14.5) | ||
| Sex | 0.658 | 0.509 | ||||||
| Female | 79(62.7) | 240(59.3) | Reference | 21(55.3) | 298(60.4) | Reference | ||
| Male | 32(25.4) | 118(29.1) | 2.39(1.01–5.6) | 13(34.2) | 137(21.8) | 0.40(0.05–1.8) | ||
| CD4 Count | 0.425 | 0.481 | ||||||
| <250 | 16(20.3) | 49(24.7) | Reference | 3(16.7) | 62(23.9) | Reference | ||
| > = 250 | 63(79.7) | 149(75.3) | 0.37(0.15–0.9) | 15(83.3) | 197(76.1) | 0.47 (0.10–2.4) | ||
| Residence | 0.01 | 0.106 | ||||||
| Rural | 14(11.1) | 87(21.5) | Reference | 11(28.9) | 90(18.3) | Reference | ||
| Urban | 112(88.9) | 318(78.5) | 2.19(1.9–4.0) | 27(71.1) | 403(81.7) | 0.58(0.26–1.1) | ||
| Regions | 0.0001 | 0.013 | ||||||
| Western | 40(31.7) | 231(57.0) | Reference | 12(31.6) | 259(52.5) | Reference | ||
| Eastern | 86(68.3) | 174(43.0) | 3.20 (1.6–6.3) | 26(68.4) | 234(47.5) | 2.16(0.70–6.7) | ||
| Sexual Partners | 0.397 | |||||||
| One | 41(72.9) | 141(81.5) | Reference | 14(87.5) | 168(78.5) | Reference | ||
| Multiple | 16(28.1) | 32(18.5) | 1.28(0.60–2.7) | 2(12.5) | 46(21.5) | 0.40(0.08–1.9) | ||
Percentages (%) in columns were calculated by dividing the number of participants with a particular outcome by the total number of participants with the outcome of interest *100. Adjustments were made for age, sex, CD4 count, residence, region and number of sexual partners.
HBV, Hepatitis B virus; HCV, Hepatitis C virus