| N(%) | Means | Std | P value |
---|---|---|---|---|
City | Â | Â | Â | <0.0001 |
   Harbin | 451(33.3) | 6.80 | 1.53 |  |
   Qiqihar | 300(22.2) | 7.16 | 1.32 |  |
   Mudanjiang | 300(22.2) | 6.78 | 1.65 |  |
   Jiamusi | 302(22.3) | 7.50 | 0.81 |  |
Age group | Â | Â | Â | 0.0001 |
   15-25 years | 601(44.4) | 7.03 | 1.39 |  |
   26-35 years | 357(26.4) | 6.98 | 1.44 |  |
   36-45 years | 281(20.8) | 7.28 | 1.18 |  |
   46+ years | 114(8.4) | 6.59 | 1.82 |  |
Marriage status | Â | Â | Â | 0.87 |
   Single | 963(71.2) | 7.02 | 1.41 |  |
   Married and Cohabitation | 294(21.7) | 7.04 | 1.45 |  |
   Divorce and Widowed | 96(7.1) | 7.10 | 1.33 |  |
Education | Â | Â | Â | <0.0001 |
   ≤1 education | 35(2.6) | 5.51 | 2.44 |  |
   2 education | 325(24) | 6.73 | 1.70 |  |
   3-4 education | 582(43) | 7.05 | 1.29 |  |
   ≥5 education | 411(30.4) | 7.37 | 1.03 |  |
Vocation | Â | Â | Â | 0.17 |
   Unemployed | 219(16) | 6.91 | 1.45 |  |
   Students | 295(22) | 7.14 | 1.28 |  |
   White collar | 137(10) | 7.17 | 1.30 |  |
   Blue collar | 702(52) | 7.00 | 1.48 |  |
Income (RMB per month) | Â | Â | Â | 0.005 |
   <1000 | 738(54.5) | 6.92 | 1.50 |  |
   1000-2000 | 447(33) | 7.17 | 1.31 |  |
   2000-3000 | 132(9.8) | 7.24 | 1.17 |  |
   >3000 | 36(2.7) | 6.81 | 1.53 |  |
Places of searching sex partners | Â | Â | Â | <0.0001 |
   Bar/nightclub | 329(24) | 7.21 | 1.17 |  |
   Bath/Saunas | 280(21) | 6.68 | 1.65 |  |
   Park/latrine | 146(11) | 6.67 | 1.75 |  |
   Internet | 560(41) | 7.22 | 1.22 |  |
   Fixed locations | 38(3) | 6.76 | 1.92 |  |
HIV testing over 1 year ago | Â | Â | Â | <0.0001 |
   Tested | 558(41) | 7.39 | 1.08 |  |
   Never tested | 795(59) | 6.78 | 1.56 |  |