Variables | VCT group(n = 68) |  | Non-VCT group(n = 543) |  | Univariable analysis |  | Multivariable analysis | ||
---|---|---|---|---|---|---|---|---|---|
n (%) | Â | n (%) | Â | cOR (95% CI) | P | Â | aOR (95% CI) | P | |
Gender | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Female | 16(13.6) |  | 76(12.7) |  | Ref.1 |  |  | Ref.1 |  |
 Male | 59(78.7) |  | 524(87.3) |  | 0.51(0.27–0.95) | 0.033 |  | 0.37(0.18–0.77) | 0.008 |
Grade | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Freshman | 10(13.3) |  | 127(21.2) |  | Ref.1 |  |  | Ref.1 |  |
 Sophomore | 36(48.0) |  | 199(33.2) |  | 0.56(0.31–1.01) | 0.054 |  | 0.60(0.32–1.14) | 0.119 |
 Junior | 24(32.0) |  | 199(33.2) |  | 0.39(0.15–1.04) | 0.060 |  | 0.51(0.18–1.47) | 0.211 |
 Senior | 5(6.7) |  | 75(12.5) |  | 0.42(0.20–0.92) | 0.030 |  | 0.46(0.20–1.07) | 0.070 |
Province of household registration | Â | Â | Â | Â | Â | Â | Â | Â | |
 Zhejiang province | 47(63.5) |  | 444(74.0) |  | Ref.1 |  |  | Ref.1 |  |
 Non-Zhejiang province | 27(36.5) |  | 156(26.0) |  | 1.61(0.95–2.73) | 0.077 |  | 2.11(1.17–3.81) | 0.013 |
Whether it can be judged by appearance that a person is infected with HIV? | Â | Â | Â | ||||||
 Wrong/don’t know | 26(38.2) |  | 128(23.6) |  | Ref.1 |  |  | Ref.1 |  |
 Correct | 42(61.8) |  | 415(76.4) |  | 0.50(0.29–0.85) | 0.010 |  | 1.04(0.55–1.96) | 0.902 |
Whether it is necessary to actively seek VCT after engaging in high-risk sexual behavior# |  |  |  | ||||||
 Wrong/don’t know | 8(11.8) |  | 50(9.2) |  | Ref.1 |  |  | —— |  |
 Correct | 60(88.2) |  | 493(90.8) |  | 0.76(0.34–1.68) | 0.499 |  | —— |  |
Whether received AIDS-themed lectures or health education courses from the school in the past year | Â | Â | Â | ||||||
 No | 8(11.8) |  | 181(33.3) |  | Ref.1 |  |  | Ref.1 |  |
 Yes | 60(88.2) |  | 362(66.7) |  | 3.75(1.76–8.01) | 0.001 |  | 3.96(1.49–10.50) | 0.006 |
Whether received an HIV risk self-assessment conducted by the school in the past year | Â | Â | Â | ||||||
 No | 17(25.0) |  | 293(54.0) |  | Ref.1 |  |  | Ref.1 |  |
 Yes | 51(75.0) |  | 250(46.0) |  | 3.52(1.98–6.24) | 0.000 |  | 2.31(1.17–4.59) | 0.016 |
Whether learned about HIV/AIDS through the school network in the past year | Â | Â | Â | ||||||
 No | 13(19.1) |  | 148(27.3) |  | Ref.1 |  |  | Ref.1 |  |
 Yes | 55(80.9) |  | 395(72.7) |  | 1.59(0.84–2.99) | 0.154 |  | 0.45(0.19–1.07) | 0.070 |
Will you accept one night stand? | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Don’t accept/don’t know | 21(30.9) |  | 124(22.8) |  | Ref.1 |  |  | Ref.1 |  |
 Yes | 47(69.1) |  | 419(77.2) |  | 0.66(0.38–1.15) | 0.144 |  | 0.63(0.34–1.19) | 0.156 |
Do you accept commercial sex? | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Don’t accept/don’t know | 26(38.2) |  | 253(46.6) |  | Ref.1 |  |  | —— |  |
 Yes | 42(61.8) |  | 290(53.4) |  | 1.41(0.84–2.36) | 0.211 |  | —— |  |
Casual partner types | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 School student | 45(67.2) |  | 343(64.0) |  | Ref.1 |  |  | —— |  |
 Non-student | 22(32.8) |  | 193(36.0) |  | 0.87(0.51–1.49) | 0.610 |  | —— |  |
Condom use with casual sexual partners | Â | Â | Â | ||||||
 Never used | 28(41.2) |  | 106(19.5) |  | Ref.1 |  |  | Ref.1 |  |
 Occasional used | 24(35.3) |  | 224(41.3) |  | 0.41(0.22–0.73) | 0.003 |  | 0.56(0.28–1.10) | 0.090 |
 Every time used | 16(23.5) |  | 213(34.9) |  | 0.28(0.15–0.55) | 0.000 |  | 0.45(0.21–0.97) | 0.041 |
Have you had engaged in sexual activity with a steady partner in the past year | Â | Â | Â | ||||||
 No | 12(17.6) |  | 179(33.0) |  | Ref.1 |  |  | Ref.1 |  |
 Yes | 56(82.4) |  | 364(67.0) |  | 3.04(1.82–5.08) | 0.000 |  | 1.87(0.91–3.83) | 0.087 |
Whether had engaged in commercial sex in the past year | Â | Â | Â | ||||||
 No | 31(45.6) |  | 390(71.8) |  | Ref.1 |  |  | Ref.1 |  |
 Yes | 37(54.4) |  | 153(28.2) |  | 3.24(1.95–5.37) | 0.000 |  | 1.98(1.07–3.66) | 0.029 |
Measurement of self-efficacy in condom use (scores) | Â | Â | Â | Â | Â | Â | |||
 Less than or equal to 4 | 16(23.5) |  | 137(25.2) |  | Ref.1 |  |  | Ref.1 |  |
 5–8 | 13(19.1) |  | 175(32.2) |  | 0.64(0.30–1.37) | 0.247 |  | 0.75(0.32–1.73) | 0.494 |
 9 | 39(57.4) |  | 231(42.5) |  | 1.45(0.78–2.69) | 0.243 |  | 1.48(0.72–3.10) | 0.282 |
Steady sexual partner types (n = 420) |  |  |  |  |  |  |  |  | |
 Student from the same school as the participant | 34(60.7) |  | 155(42.6) |  | Ref.1 |  |  | —— |  |
 Student from a different school than the participant | 12(21.4) |  | 112(30.8) |  | 0.49(0.24–0.99) | 0.045 |  | —— |  |
 Non-student | 10(17.9) |  | 97(26.6) |  | 0.47(0.22–0.99) | 0.048 |  | —— |  |
Condom usage during sexual activity with a steady partner in the past year (n = 420) |  |  |  | ||||||
 Never used | 25(44.6) |  | 102(28.0) |  | Ref.1 |  |  | —— |  |
 Occasional used | 20(35.7) |  | 142(39.0) |  | 0.58(0.30–1.09) | 0.090 |  | —— |  |
 Every time used | 11(19.6) |  | 120(33.0) |  | 0.37(0.18–0.80) | 0.010 |  | —— |  |