Table 2.
Behavioral risks for and associations with syphilis infection among patients living with HIV/AIDS who attend an outpatient clinic in Vitoria, Brazil (N = 438)
| Variable | Prevalence of behavior n (%) | Syphilis infection n (%) | OR (95% CI) |
|---|---|---|---|
| Sexual behavior | |||
| MSM | 91 (20.8) | 13 (14.2) | 5.62 (2.38–13.28) |
| Heterosexual or women who have sex with women | 347 (79.2) | 10 (2.8) | 1 |
| Condom use in the last year* | |||
| Always/mostly | 326 (74.4) | 17 (5.2) | 0.97 (0.37–2.53) |
| Sometimes/never | 112 (25.6) | 6 (5.3) | 1 |
| History of sex with sex workers | |||
| Yes | 70 (16.0) | 1 (1.4) | 1 |
| No | 368 (84.0) | 22 (5.9) | 0.23 (0.03–1.72) |
| History of sex work | |||
| Yes | 28 (6.4) | 21 (75.0) | 0.79 (0.29–2.18) |
| No | 410 (93.6) | 2 (0.4) | 1 |
| History of illicit drug use | |||
| No | 113 (25.8) | 18 (15.9) | 0.79 (0.29–2.18) |
| Yes | 325 (74.2) | 5 (1.5) | 1 |
| Number of sexual partners: lifetime | |||
| Up to 5 | 61 (13.9) | 1 (1.6) | 0.27 (0.04–2.03) |
| > 5 | 377 (86.1) | 22 (5.8) | 1 |
| Number of sexual partners: past year | |||
| 1 partner | 317 (72.4) | 12 (3.7) | 1 |
| > 1 partner | 121 (27.6) | 11 (9.0) | 2.54 (1.10–5.92) |
*
326 individuals reported having sex in the preceding year.