Table 2.
Crude and Adjusted Bivariate Associations Between Selected Variables and HIV Infection among MSM, Beijing, 2009 (using RDSAT-generated weights)
| Variable | Crude % (n)a | Adjusted % (95% CI) | p |
|---|---|---|---|
| Age | |||
| 18–25 | 6.4 (11) | 4.1 (1.2–8.3) | 0.019 |
| >25 | 7.6 (25) | 10.2 (5.3–15.9) | |
| Current marital status | |||
| Married | 11.5 (12) | 13.7 (4.4–23.4) | 0.005 |
| Unmarried | 6.1 (24) | 5.9 (2.8–9.8) | |
| Lived in Beijing less than 1 year | |||
| Yes | 13.1 (11) | 13.7 (5.1–24.1) | 0.017 |
| No | 6.0 (25) | 6.6 (3.4–10.6) | |
| Have health insurance | |||
| Yes | 3.8 (9) | 5.5 (1.6–10.7) | 0.029 |
| No | 10.2 (27) | 10.2 (5.7–15.8) | |
| Sexual orientation | |||
| Homosexual | 7.2 (25) | 8.5 (4.2–13.2) | 0.595 |
| Others | 7.1 (11) | 7.9 (2.9–13.8) | |
| Role in anal sex with males | |||
| Insertive | 6.0 (8) | 6.2 (1.4–12.0) | <0.001 |
| Equally | 8.9 (26) | 10.4 (5.5–17.4) | |
| Receptive | 3.0 (2) | 3.4 (0–9.3) | |
| Type of the most recent male partner in the past 6 months | |||
| Regular partner | 5.5 (17) | 5.5 (2.4–9.8) | 0.020 |
| Casual partner | 10.1 (18) | 11.4 (4.7–19.3) | |
| Unprotected insertive anal sex with the most recent male partner in the past 6 months | |||
| Yes | 6.3 (8) | 8.7 (1.3–16.0) | 0.623 |
| No | 7.3 (16) | 6.5 (2.7–11.6) | |
| Unprotected receptive anal sex with the most recent male partner in the past 6 months | |||
| Yes | 7.8 (9) | 10.7 (2.4–18.6) | 0.694 |
| No | 10.0 (17) | 8.7 (3.2–13.8) | |
| Ever had sex with female | |||
| Yes | 9.2 (26) | 10.8 (5.8–17.1) | 0.004 |
| No | 4.6 (10) | 3.4 (0.8–7.1) | |
| Had female sexual partner in the past 6 months | |||
| Yes | 9.6 (10) | 15.0 (5.0–28.9) | 0.003 |
| No | 6.6 (26) | 5.8 (3.1–9.1) | |
| Unprotected sex with female sexual partner in the past 6 months | |||
| Yes | 3.4 (1) | 34.1 (0–61.9) | 0.050 |
| No | 12.0 (9) | 20.2 (0–100) | |
| Discussed HIV status with the most recent male partner | |||
| Yes | 4.7 (12) | 3.9 (1.6–7.3) | 0.002 |
| No | 9.8 (23) | 12.3 (6.0–19.2) | |
| Self–known the HIV status | |||
| Yes | 5.3 (17) | 8.1 (3.8–13.4) | 0.591 |
| No | 8.0 (14) | 7.5 (2.8–12.8) | |
| Known the HIV status of the most recent male partner | |||
| Yes | 1.6 (2) | 1.0 (0–2.3) | 0.014 |
| No | 9.2 (33) | 10.1 (5.6–15.4) | |
| Told the most recent male partner your HIV status | |||
| Yes | 4.2 (10) | 4.0 (1.4–7.1) | 0.003 |
| No | 9.9 (25) | 11.5 (5.6–18.0) | |
| Level of HIV risk for self-perception | |||
| Great | 28.6 (18) | 28.7 (15.1–43.7) | <0.001 |
| Moderate | 7.6 (7) | 13.1 (4.0–24.7) | |
| Small | 3.5 (10) | 4.3 (1.1–7.2) | |
| None | 1.7 (1) | 1.5 (0–5.4) | |
| Ever had a HIV test | |||
| Yes | 7.5 (25) | 10.3 (5.1–15.3) | 0.250 |
| No | 6.6 (11) | 7.2 (2.6–12.5) | |
| Had a HIV test in the past 12 months | |||
| Yes | 6.0 (16) | 7.3 (3.2–11.0) | 0.370 |
| No | 8.6 (20) | 9.5 (4.6–15.4) | |
| Received free condoms/lubricant in the past 12 months | |||
| Yes | 7.3 (32) | 8.3 (4.2–10.8) | 0.291 |
| No | 6.3 (4) | 32.6 (6.1–49.8) | |
| Bought condoms in the past 12 months | |||
| Yes | 5.2 (13) | 4.7 (2.1–8.5) | 0.005 |
| No | 9.2 (23) | 11.1 (5.8–17.4) | |
| Syphilis status | |||
| Positive | 13.6 (15) | 19.1 (8.4–31.5) | <0.001 |
| Negative | 5.4 (21) | 4.8 (2.4–7.6) | |
| Condoms use social norms | AOR | ||
| (Cronbach α=0.925, median 18, range 5–20) | (95% CI) | Wald χ2=26.409 | <0.001 |
| 0.8 (0.7–0.9) | |||
a
Subgroups do not always add up to totals due to missing data.
MSM, men who have sex with men; CI, confidence interval; AOR, adjusted odds ratio.