Table 2.
Variables | 2010 | 2011 | 2012 | 2013 | 2014 | Overall | P for Trend | Crude OR# (95% CI) | Adjusted OR* (95% CI) | P for Adjusted Model | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|
(%) | (%) | (%) | (%) | (%) | (%) | |||||||
Engaged in anal sex in the last six months | ||||||||||||
Residents | 76.2 | 78.2 | 73.8 | 77.8 | 79.6 | 77.2 | <0.01 | 1.22 | (1.08–1.38) | 1.24 | (1.09–1.40) | <0.01 |
Migrants | 76.5 | 83.6 | 84.7 | 83.6 | 82.4 | 82.2 | <0.01 | 1.44 | (1.13–1.83) | 1.47 | (1.15–1.87) | <0.01 |
All | 76.3 | 79.4 | 75.7 | 78.9 | 80.2 | 78.2 | <0.01 | |||||
Used condom during last anal intercourse with male | ||||||||||||
Residents | 65.0 | 72.9 | 72.4 | 72.2 | 70.4 | 70.9 | <0.01 | 1.28 | (1.13–1.45) | 1.29 | (1.13–1.46) | <0.01 |
Migrants | 68.3 | 71.4 | 72.8 | 67.6 | 69.9 | 69.9 | 0.43 | 1.08 | (0.85–1.36) | 1.08 | (0.86–1.37) | 0.51 |
All | 65.8 | 72.6 | 72.5 | 71.2 | 70.3 | 70.7 | 0.02 | |||||
Consistent condom use during anal sex with male in the last six months | ||||||||||||
Residents | 36.7 | 44.0 | 41.9 | 43.0 | 40.9 | 41.5 | 0.06 | 1.19 | (1.06–1.35) | 1.19 | (1.05–1.34) | <0.01 |
Migrants | 43.3 | 45.9 | 47.3 | 40.1 | 41.7 | 43.5 | 0.06 | 0.93 | (0.75–1.16) | 0.94 | (0.75–1.17) | 0.55 |
All | 38.3 | 44.5 | 43.0 | 42.4 | 41.0 | 41.9 | 0.29 | |||||
Engaged in commercial anal sex with male in the last six months | ||||||||||||
Residents | 6.3 | 5.2 | 3.8 | 3.0 | 4.5 | 4.4 | <0.01 | 0.70 | (0.54–0.90) | 0.75 | (0.58–0.98) | 0.03 |
Migrants | 10.8 | 9.0 | 5.9 | 3.5 | 7.3 | 7.2 | <0.01 | 0.66 | (0.45–0.96) | 0.69 | (0.47–1.02) | 0.07 |
All | 7.4 | 6.1 | 4.2 | 3.1 | 5.0 | 5.0 | <0.01 | |||||
Used condom during last commercial anal intercourse with male | ||||||||||||
Residents | 75.2 | 83.0 | 68.7 | 79.2 | 85.8 | 78.9 | 0.05 | 1.99 | (1.03–3.84) | 1.98 | (1.01–3.88) | 0.05 |
Migrants | 86.7 | 90.4 | 67.6 | 79.2 | 82.1 | 82.5 | 0.12 | 0.71 | (0.26–1.95) | 0.70 | (0.24–2.00) | 0.50 |
All | 79.4 | 85.4 | 68.4 | 79.2 | 84.7 | 80.0 | 0.26 | |||||
Consistent condom use during commercial anal sex in the last six months with male | ||||||||||||
Residents | 47.7 | 60.7 | 42.7 | 62.8 | 49.3 | 52.1 | 0.48 | 1.07 | (0.64–1.77) | 1.08 | (0.64–1.81) | 0.79 |
Migrants | 63.3 | 67.3 | 47.4 | 41.7 | 58.9 | 58.3 | 0.11 | 0.83 | (0.39–1.76) | 0.67 | (0.30–1.47) | 0.32 |
All | 53.3 | 62.9 | 44.0 | 57.8 | 52.1 | 54.0 | 0.23 | |||||
Engaged in vaginal sex in the last six months | ||||||||||||
Residents | 30.2 | 28.6 | 33.5 | 28.4 | 29.7 | 30.2 | 0.23 | 0.98 | (0.87–1.09) | 0.89 | (0.79–1.02) | 0.08 |
Migrants | 30.7 | 28.3 | 29.6 | 22.3 | 20.0 | 25.8 | <0.01 | 0.56 | (0.45–0.71) | 0.61 | (0.47–0.78) | <0.01 |
All | 30.3 | 28.6 | 32.8 | 27.2 | 27.8 | 29.3 | <0.01 | |||||
Used condom during last vaginal intercourse | ||||||||||||
Residents | 42.0 | 49.3 | 59.0 | 55.6 | 50.2 | 52.2 | <0.01 | 1.39 | (1.15–1.69) | 1.48 | (1.22–1.80) | <0.01 |
Migrants | 44.2 | 46.9 | 61.0 | 58.1 | 48.6 | 51.7 | 0.03 | 1.19 | (0.81–1.76) | 1.26 | (0.84–1.89) | 0.27 |
All | 42.5 | 48.8 | 59.3 | 56.0 | 50.0 | 52.1 | <0.01 | |||||
Consistent condom use during vaginal sex in the last six months | ||||||||||||
Residents | 24.5 | 28.3 | 21.8 | 25.6 | 24.7 | 24.7 | 0.36 | 1.01 | (0.81–1.26) | 1.05 | (0.84–1.32) | 0.68 |
Migrants | 27.6 | 30.6 | 29.1 | 36.9 | 30.3 | 30.7 | 0.13 | 1.14 | (0.74–1.75) | 1.15 | (0.73–1.80) | 0.55 |
All | 25.3 | 28.8 | 23.0 | 27.3 | 25.5 | 25.8 | 0.43 | |||||
Used drug in lifetime | ||||||||||||
Residents | 1.3 | 1.3 | 0.9 | 0.7 | 0.7 | 0.9 | <0.01 | 0.52 | (0.31–0.88) | 0.57 | (0.34–0.96) | 0.04 |
Migrants | 2.4 | 1.0 | 1.2 | 0.9 | 1.0 | 1.3 | <0.01 | 0.40 | (0.18–0.89) | 0.39 | (0.17–0.88) | 0.02 |
All | 1.6 | 1.3 | 0.9 | 0.7 | 0.8 | 1.0 | <0.01 | |||||
Received any HIV-related services in last year | ||||||||||||
Residents | 72.5 | 78.2 | 76.7 | 81.7 | 79.4 | 78.1 | <0.01 | 1.47 | (1.30–1.66) | 1.45 | (1.29–1.64) | <0.01 |
Migrants | 71.1 | 75.3 | 73.4 | 82.1 | 78.4 | 76.3 | <0.01 | 1.48 | (1.19–1.85) | 1.48 | (1.18–1.85) | <0.01 |
All | 72.1 | 77.6 | 76.1 | 81.8 | 79.2 | 77.7 | <0.01 | |||||
HIV prevalence | ||||||||||||
Residents | 8.1 | 7.1 | 9.0 | 7.3 | 8.8 | 8.1 | 0.13 | 1.10 | (0.91–1.32) | 1.12 | (0.93–1.36) | 0.23 |
Migrants | 11.1 | 10.9 | 12.1 | 14.1 | 9.2 | 11.4 | 0.34 | 0.81 | (0.59–1.11) | 0.83 | (0.60–1.14) | 0.25 |
All | 8.9 | 7.9 | 9.6 | 8.6 | 8.9 | 8.8 | 0.30 | |||||
Syphilis infection rate | ||||||||||||
Residents | 12.8 | 8.9 | 6.5 | 5.5 | 6.5 | 7.6 | <0.01 | 0.48 | (0.40–0.57) | 0.48 | (0.40–0.57) | <0.01 |
Migrants | 15.4 | 9.4 | 7.9 | 5.8 | 8.1 | 9.2 | <0.01 | 0.48 | (0.35–0.66) | 0.48 | (0.35–0.65) | <0.01 |
All | 13.4 | 9.0 | 6.8 | 5.5 | 6.8 | 7.9 | <0.01 |
Note: #Odds Ratio was calculated by direct comparing the year 2014 to the year 2010 (reference group); *Multivariate models were adjusted for the following variables: age, marital status (ref = married), education. P < 0.01.