Table 3. Demographic, behavioral characteristics and HIV serological status associated with HBV infection among unvaccinated MSM in Goiânia, Central Brazil.
| Variable | HBV Pos./total | Unweighted % | Weighted % (95% CI) | OR (95% CI) | P value |
|---|---|---|---|---|---|
| Age (years) | |||||
| ≤ 25 | 22/183 | 12.0 | 5.2 (2.4–10.8) | 1 | |
| > 25 | 55/133 | 41.3 | 46.3 (28.1–65.5) | 15.73 (5.10–48.39) | 0.000 |
| Self-identification | |||||
| Gay | 49/207 | 23.7 | 28.0 (14.8–46.6) | 1.96 (0.48–8.02) | |
| Bisexual | 17/61 | 27.9 | 27.7 (12.7–50.4) | 1.94 (0.43–8.78) | 0.493 |
| Transvestite | 11/48 | 22.9 | 16.5 (5.9–38.4) | 1 | |
| Number of sexual partners in lifetime | |||||
| ≤ 10 | 16/93 | 17.2 | 11.9 (5.9–22.6) | 1 | |
| > 10 | 61/223 | 27.3 | 35.1 (19.3–55.0) | 3.99 (1.30–12.23) | 0.012 |
| Ever used drugs or alcohol during sex | |||||
| No | 20/102 | 19.6 | 13.6 (7.0–24.8) | 1 | |
| Yes | 57/214 | 26.6 | 33.4 (18.0–53.4) | 3.19 (1.10–9.65) | 0.034 |
| Ever received payment for sex | |||||
| No | 45/173 | 26.0 | 17.6 (11.5–26.1) | 1 | |
| Yes | 32/143 | 22.4 | 41.5 (18.3–69.3) | 3.32 (0.94–11.69) | 0.055 |
| Receptive anal intercourse | |||||
| No | 11/57 | 19.3 | 7.0 (2.6–17.5) | 1 | |
| Yes | 66/259 | 25.5 | 32.3 (18.9–49.5) | 6.35 (1.80–22.53) | 0.002 |
| Condom use at anal intercourse | |||||
| Always | 30/157 | 19.1 | 22.5 (9.0–46.1) | 1 | |
| Not Always | 47/159 | 29.5 | 31.3 (18.9–47.2) | 1.57 (0.44–5.62) | 0.484 |
| Sex with women | |||||
| No | 32/169 | 18.9 | 15.2 (9.4–23.7) | 1 | |
| Yes | 45/147 | 30.6 | 34.3 (17.3–56.6) | 2.91 (1.00–8.48) | 0.045 |
| Group sex | |||||
| No | 28/142 | 19.7 | 26.3 (11.2–50.1) | 1 | |
| Yes | 49/172 | 28.5 | 26.5 (15.4–41.5) | 1.01 (0.29–3.49) | 0.987 |
| Sex against will | |||||
| No | 57/216 | 26.4 | 24.2 (12.2–42.4) | 1 | |
| Yes | 19/98 | 19.4 | 32.1 (15.4–55.0) | 1.48 (0.42–5.24) | 0.543 |
| STIs | |||||
| No | 44/232 | 18.9 | 12.0 (7.4–18.8) | 1 | |
| Yes | 33/82 | 40.2 | 57.7 (31.9–79.9) | 10.02 (3.04–33.08) | <0,001 |
| HIV status | |||||
| Negative | 54/246 | 21.9 | 20.6 (9.2–39.9) | 1 | |
| Positive | 23/70 | 32.8 | 45.2 (24.4–67.8) | 3.17 (0.84–11.93) | 0.079 |
| Ever used any illicit drug | |||||
| No | 35/155 | 22.6 | 23,6 (14,2–36,6) | 1 | |
| Yes | 42/160 | 26.2 | 26.5 (13.4–45.5) | 1.17 (0.41–3.32) | 0.772 |
| Blood transfusion lifetime | |||||
| No | 70/294 | 23.8 | 25.5 (14.4–41.0) | 1 | |
| Yes | 6/17 | 35.3 | 31.3 (9.4–66.6) | 1.33 (0.26–6.87) | 0.117 |
HBV, hepatitis B virus; MSM, men who have sex with men; CI, confidence interval; OR, odds ratio; STIs, sexually transmitted infections; HIV, human immunodeficiency virus.