Table 1 Distribution of the socio-demographics and HIV-related risk behavior among MSM in China, 2012–2013 (N = 4488a)
Variables | HIV antibody negative MSM | MSM with established HIV infection | MSM with recent HIV infection | All MSM | ||||
|---|---|---|---|---|---|---|---|---|
Nnb | Percentage (95Â % CI) | Ncb | Percentage (95Â % CI) | Neb | Percentage (95Â % CI) | Ntb | Percentage (95Â % CI) | |
City | ||||||||
 Kunming | 553 | 13.7 (12.6-14.7) | 41 | 16.4 (11.8-21.0) | 37 | 19.9 (14.1-25.7) | 631 | 14.1 (13.0-15.1) |
 Shenyang | 612 | 15.1 (14.0-16.2) | 30 | 12.0 (7.9-16.1) | 22 | 11.8 (7.1-16.5) | 664 | 14.8 (13.8-15.8) |
 Ji’nan | 592 | 14.6 (13.5-15.7) | 39 | 15.6 (11.1-20.1) | 43 | 23.1 (17.0-29.2) | 674 | 15.0 (14.0-16.1) |
 Changsha | 601 | 14.8 (13.7-15.9) | 46 | 18.4 (13.6-23.2) | 38 | 20.4 (14.6-26.3) | 685 | 15.3 (14.2-16.3) |
 Zhengzhou | 402 | 9.9 (9.0-10.8) | 46 | 18.4 (13.6-23.2) | 17 | 9.1 (5.0-13.3) | 465 | 10.4 (9.5-11.3) |
 Nanjing | 546 | 13.5 (12.4-14.5) | 30 | 12.0 (7.9-16.1) | 16 | 8.6 (4.5-12.7) | 592 | 13.2 (12.2-14.2) |
 Shanghai | 746 | 18.4 (17.2-19.6) | 18 | 7.2 (4.0-10.4) | 13 | 7.0 (3.3-10.7) | 777 | 17.3 (16.2-18.4) |
Age | ||||||||
 18-25 | 1 458 | 36.0 (34.5-37.5) | 71 | 28.4 (22.8-34.0) | 88 | 47.3 (40.1-54.6) | 1617 | 36.0 (34.6-37.4) |
 26-35 | 1 672 | 41.3 (39.7-42.8) | 124 | 49.6 (43.4-55.8) | 66 | 35.5 (28.5-42.4) | 1862 | 41.5 (40.0-42.9) |
 36-45 | 580 | 14.3 (13.2-15.4) | 27 | 10.8 (6.9-14.7) | 22 | 11.8 (7.1-16.5) | 629 | 14.0 (13.0-15.0) |
  > =46 | 342 | 8.4 (7.6-9.3) | 28 | 11.2 (7.3-15.1) | 10 | 5.4 (2.1-8.6) | 380 | 8.5 (7.7-9.3) |
Residence | ||||||||
 Local cities | 1 613 | 39.8 (38.3-41.3) | 107 | 42.8 (36.6-49.0) | 63 | 33.9 (27.0-40.7) | 1783 | 39.7 (38.3-41.2) |
 Non-local cities | 2 439 | 60.2 (58.7-61.7) | 143 | 57.2 (51.0-63.4) | 123 | 66.1 (59.3-73.0) | 2705 | 60.3 (58.8-61.7) |
Education | ||||||||
 Primary school or below | 138 | 3.4 (2.8-4.0) | 9 | 3.6 (1.3-5.9) | 9 | 4.8 (1.7-8.0) | 156 | 3.5 (2.9-4.0) |
 Junior school | 675 | 16.7 (15.5-17.8) | 50 | 20.0 (15.0-25.0) | 34 | 18.3 (12.7-23.9) | 759 | 16.9 (15.8-18.0) |
 High school | 1 080 | 26.7 (25.3-28.0) | 72 | 28.8 (23.1-34.5) | 44 | 23.7 (17.5-29.8) | 1196 | 26.7 (25.4-27.9) |
 College or above | 2 159 | 53.3 (51.7-54.8) | 119 | 47.6 (41.4-53.8) | 99 | 53.2 (46.0-60.5) | 2377 | 53.0 (51.5-54.4) |
Sexual orientation | ||||||||
 Other orientation | 1 690 | 41.7 (40.2-43.2) | 82 | 32.8 (26.9-38.7) | 60 | 32.3 (25.5-39.0) | 1832 | 40.8 (39.4-42.3) |
 Homosexual orientation | 2 362 | 58.3 (56.8-59.8) | 168 | 67.2 (61.3-73.1) | 126 | 67.7 (61.0-74.5) | 2656 | 59.2 (57.7-60.6) |
Marital status | ||||||||
 Ever married | 1 210 | 29.9 (28.5-31.3) | 94 | 37.6 (31.6-43.6) | 52 | 28.0 (21.4-34.5) | 1356 | 30.2 (28.9-31.6) |
 Never married | 2 842 | 70.1 (68.7-71.5) | 156 | 62.4 (56.4-68.4) | 134 | 72.0 (65.5-78.6) | 3132 | 69.8 (68.4-71.1) |
Occupations | ||||||||
 Non-students | 3 524 | 87.0 (85.9-88.0) | 239 | 95.6 (93.0-98.2) | 160 | 86.0 (81.0-91.1) | 3923 | 87.4 (86.4-88.4) |
 Students | 528 | 13.0 (12.0-14.1) | 11 | 4.4 (1.8-7.0) | 26 | 14.0 (8.9-19.0) | 565 | 12.6 (11.6-13.6) |
Monthly income (USD) | ||||||||
 No income | 716 | 17.7 (16.5-18.8) | 21 | 8.4 (4.9-11.9) | 31 | 16.7 (11.3-22.1) | 768 | 17.1(16.0-18.2) |
 1-600 | 1 822 | 45.0 (43.4-46.5) | 129 | 51.6 (45..4-57.8) | 86 | 46.2 (39.0-53.5) | 2037 | 45.4 (43.9-46.8) |
  > =600 | 1 514 | 37.4 (35.9-38.9) | 100 | 40.0 (33.9-46.1) | 69 | 37.1 (30.1-44.1) | 1683 | 37.5 (36.1-38.9) |
Main venue of seeking male sexual partners | ||||||||
 Non-Internet | 1 303 | 32.2 (30.7-33.6) | 80 | 32.0 (26.2-37.8) | 56 | 30.1 (23.5-36.8) | 1439 | 32.1 (30.7-33.4) |
 Internet | 2 749 | 67.8 (66..4-69.3) | 170 | 68.0 (62.2-73.8) | 130 | 69.9 (63.2-76.5) | 3049 | 67.9 (66.6-69.3) |
Knowledge about prevention of HIV | ||||||||
 Inadequate | 2 258 | 55.7 (54.2-57.3) | 140 | 56.0 (49.8-62.2) | 77 | 41.4 (34.3-48.5) | 2475 | 55.2 (53.7-56.6) |
 Adequate | 1 794 | 44.3 (42.7-45.8) | 110 | 44.0 (37.8-50.2) | 109 | 58.6 (51.5-65.7) | 2013 | 44.9 (43.4-46.3) |
Age of initial sex(years) | ||||||||
 15 or less | 264 | 6.5 (5.8-7.3) | 14 | 5.6 (2.7-8.5) | 7 | 3.8 (1.0-6.5) | 285 | 6.4 (5.6-7.1) |
 16-25 | 3 448 | 85.1 (84.0-86.2) | 208 | 83.2 (78.5-87.9) | 169 | 90.9 (86.7-95.0) | 3825 | 85.2 (84.2-86.3) |
  > =26 | 340 | 8.4 (5.9-11.8) | 28 | 11.2 (4.0-27.8) | 10 | 5.3 (0.6-34.8) | 378 | 8.5 (7.4-9.4) |
Gender of initial sexual partner | ||||||||
 Female | 1 404 | 34.6 (33.2-36.1) | 98 | 39.2 (33.1-45.3) | 63 | 33.9 (27.0-40.7) | 1565 | 34.9 (33.5-36.3) |
 Male | 2 648 | 65.4 (63.9-66.8) | 152 | 60.8 (54.7-66.9) | 123 | 66.1 (59.3-73.0) | 2923 | 65.1 (63.7-66.5) |
Anal sexual experience in last 6-months | ||||||||
 No | 248 | 6.1 (5.4-6.9) | 12 | 4.8 (2.1-7.5) | 5 | 2.7 (0.3-5.0) | 265 | 5.9(5.2-6.6) |
 Yes | 3 804 | 93.9 (93.1-94.6) | 238 | 95.2 (92.5-97.9) | 181 | 97.3 (95.0-99.7) | 4223 | 94.1 (93.4-94.8) |
Predominant sex position in last 6Â months | ||||||||
 Receptive or both | 2 828 | 69.8 (68.4-71.2) | 190 | 76.0 (70.7-81.3) | 147 | 79.0 (73.1-84.9) | 3165 | 70.5 (69.2-71.9) |
 Insertive | 1 224 | 30.2 (28.8-31.6) | 60 | 24.0 (18.7-29.3) | 39 | 21.0 (15.1-26.9) | 1323 | 29.5 (28.1-30.8) |
Used condom at last anal sex with male partners | ||||||||
 No | 1 111 | 27.4 (26.0-28.8) | 82 | 32.8 (26.9-38.7) | 57 | 30.6 (24.0-37.3) | 1250 | 27.9 (26.5-29.2) |
 Yes | 2 941 | 72.6 (71.2-74.0) | 168 | 67.2 (61.3-73.1) | 129 | 69.4 (62.7-76.0) | 3238 | 72.1 (70.8-73.5) |
No. of male sexual partners in last six months | ||||||||
  < =2 | 2 514 | 62.0 (60.5-63.5) | 139 | 55.6 (49.4-61.8) | 100 | 53.8 (46.5-61.0) | 2753 | 61.3 (59.9-62.8) |
  > 2 | 1 538 | 38.0 (36.5-39.5) | 111 | 44.4 (38.2-50.6) | 86 | 46.2 (39.0-53.5) | 1735 | 38.7 (37.2-40.1) |
Having female sexual partners in last 6Â months | ||||||||
 No | 3 305 | 81.6 (80.4-82.8) | 195 | 78.0 (72.8-83.2) | 158 | 84.9 (79.8-90.1) | 3658 | 81.5(80.4-82.6) |
 Yes | 747 | 18.4 (17.2-19.6) | 55 | 22.0 (16.8-27.2) | 28 | 15.1 (9.9-20.2) | 830 | 18.5 (17.4-19.6) |
Recreational drug use in last 6Â months | ||||||||
 No | 2 939 | 72.5 (71.2-73.9) | 162 | 64.8 (58.8-70.8) | 116 | 62.4 (55.3-69.4) | 3217 | 71.7 (70.4-73.0) |
 Yes | 1 113 | 27.5 (26.1-28.8) | 88 | 35.2 (29.2-41.2) | 70 | 37.6 (30.6-44.7) | 1271 | 28.3 (27.0-29.6) |
STDs-related symptoms in last year | ||||||||
 No | 3 759 | 92.8 (92.0-93.6) | 218 | 87.2 (83.0-91.4) | 165 | 88.7 (84.1-93.3) | 4142 | 92.3 (91.5-93.1) |
 Yes | 293 | 7.2 (6.4-8.0) | 32 | 12.8 (8.6-17.0) | 21 | 11.3(6.7-15.9) | 346 | 7.7(6.9-8.5) |
Anal bleeding in last 6Â months | ||||||||
 No | 3 454 | 85.2 (84.1-86.3) | 203 | 81.2 (76.3-86.1) | 137 | 73.7 (67.3-80.0) | 3794 | 84.5 (83.5-85.6) |
 Yes | 598 | 14.8 (13.7-15.9) | 47 | 18.8 (13.9-23.7) | 49 | 26.3(20.0-32.7) | 694 | 15.5(14.4-16.5) |
Condom breakage during anal intercourse in last 6-months | ||||||||
 No | 3 700 | 91.3 (90.4-92.2) | 235 | 94.0 (91.0-97.0) | 164 | 88.2 (83.5-92.9) | 4099 | 91.3 (90.5-92.2) |
 Yes | 352 | 8.7 (7.8-9.6) | 15 | 6.0 (3.0-9.0) | 22 | 11.8 (7.1-16.5) | 389 | 8.7 (7.8-9.5) |
Circumcision experience | ||||||||
 No | 3 722 | 91.9 (91.0-92.7) | 226 | 90.4 (86.7-94.1) | 160 | 86.0 (81.0-91.1) | 4108 | 91.5 (90.7-92.3) |
 Yes | 330 | 8.1 (7.3-9.0) | 24 | 9.6 (5.9-13.3) | 26 | 14.0 (8.9-19.0) | 380 | 8.5 (7.7-9.3) |