Table 1. Estimated number and characteristics, and unadjusted logistic regression of factors associated with recent HIV infection among MSM/TW in the Enlaces Cohort, Tijuana, Baja California, Mexico (N = 195).
| Characteristic | Incident infection n = 22 n (%) | Chronic infection n = 172 n (%) | OR | 95%CI |
|---|---|---|---|---|
| Transgender woman | 1 (6) | 18 (11) | 2.15 | 0.27–17.17 |
| Age, years (median, IQR) | 33 (23–44) | 31 (26–39) | 0.99 | 0.95–1.05 |
| Education > high school | 12 (57) | 81 (49) | 1.40 | 0.56–3.50 |
| Unemployment | 8 (38) | 62 (37) | 0.97 | 0.38–2.47 |
| Time of residence in Tijuana, years (median, IQR) | 19 (9–23) | 8 (2–18) | 1.05 | 1.01–1.09 |
| Sexual orientation | ||||
| Gay/homosexual | 11 (52) | 94 (57) | - | - |
| Straight/heterosexual | 0 | 19 (11) | - | - |
| Bisexual | 8 (28) | 52 (31) | - | - |
| Questioning | 2 (9) | 1 (< 1) | - | - |
| Ever deported from the U.S. | 3 (14) | 56 (34) | - | - |
| Homeless (past four months) | 1 (6) | 26 (16) | 0.31 | 0.04–2.40 |
| Ever incarcerated | 3 (14) | 51 (31) | 0.38 | 0.11–1.34 |
| Number of sexual partners (median, IQR) | 3 (1.5–4.5) | 4 (1–10) | 0.98 | 0.94–1.02 |
| Substance use (past month) | ||||
| Marijuana | 10 (48) | 51 (31) | 2.05 | 0.82–5.13 |
| Cocaine | 5 (24) | 8 (5) | 6.21 | 1.82–21.25 |
| Methamphetamines | 4 (19) | 61 (37) | 0.41 | 0.13–1.27 |
| Amyl nitrate (poppers) | 4 (19) | 17 (10) | 2.08 | 0.63–6.89 |
| Intravenous drugs | 1 (5) | 20 (12) | 0.37 | 0.05–2.89 |
| Ever experienced sexual abuse | 11 (61) | 58 (36) | 2.76 | 1.02–7.52 |
| Ever experienced physical abuse | 6 (33) | 78 (49) | 0.53 | 0.19–1.49 |
| Internalized stigma related to being MSM/TW (median, IQR) | 25 (18–34) | 20 (17–30) | 1.04 | 0.99–1.10 |
| Outness scale (median, IQR) | 4.5 (1–7) | 5 (3–7) | 0.91 | 0.75–1.11 |
| Social support scale (median, IQR) | 75 (52–92) | 59 (34–88) | 1.01 | 0.99–1.03 |
| Recruitment method | ||||
| PCT | 3 (14) | 19 (11) | 1.38 | 0.36–5.36 |
| RDS | 7 (32) | 48 (28) | 1.28 | 0.47–3.44 |
| VB | 12 (54) | 105 (61) | Ref. | |
| Clustered in transmission network | 9 (60) | 43 (31) | 3.35 | 1.12–9.99 |
OR: odds ratio; 95%CI: 95% confidence interval; IQR: interquartile range; PCT: partner contact tracing; RDS: respondent driven sampling, VB: venue based.
Note: significant values are shown in bold.