Table 1 Demographic characteristics of the 1792 MSM with recent infection of HIV-1
| Â | CRF01_AE | CRF55_01B | CRF07_BC | P value |
|---|---|---|---|---|
N = 669 |  N = 282 |  N = 841 | ||
Year | ||||
 2005–2008 | 26 (3.9) | 9 (3.2) | 22 (2.6) | 0.179 |
 2009 | 47 (7.0) | 8 (2.8) | 34 (4.0) | |
 2010 | 19 (2.8) | 8 (2.8) | 29 (3.4) | |
 2011 | 63 (9.4) | 19 (6.7) | 68 (8.1) | |
 2012 | 124 (18.5) | 63 (22.3) | 167 (19.9) | |
 2013 | 163 (24.4) | 74 (26.2) | 225 (26.8) | |
 2014 | 137 (20.5) | 60 (21.3) | 161 (19.1) | |
 2015 | 90 (13.5) | 41 (14.5) | 135 (16.1) | |
Age (year) | ||||
 < 25 | 230 (34.4) | 66 (23.4) | 288 (34.2) | < 0.01 |
 26–35 | 292 (43.6) | 122 (43.3) | 377 (44.8) | |
 36–45 | 105 (15.7) | 58 (20.6) | 136 (16.2) | |
 > 46 | 42 (6.3) | 36 (12.8) | 40 (4.8) | |
Marital status | ||||
 Unmarried | 542 (81.0) | 178 (63.1) | 654 (77.8) | < 0.01 |
 Married | 88 (13.2) | 71 (25.2) | 120 (14.3) | |
 Divorced or widowed | 29 (4.3) | 25 (8.9) | 61 (7.3) | |
 Unknown | 10 (1.5) | 8 (2.8) | 6 (0.7) | |
Ethnicity | ||||
 Han | 31 (4.6) | 18 (6.4) | 47 (5.6) | 0.505 |
 Non-han | 638 (95.4) | 264 (93.6) | 794 (94.4) | |
Education | ||||
 Below senior high school | 209 (31.2) | 114 (40.4) | 254 (30.2) | < 0.05 |
 Senior high school or technical secondary school | 247 (36.9) | 98 (34.8) | 306 (36.4) | |
 College or university | 210 (31.4) | 67 (23.8) | 275 (32.7) | |
 Unknown | 3 (0.4) | 3 (1.1) | 6 (0.7) | |
Census registration* | ||||
 Shenzhen resident | 44 (9.9) | 19 (10.3) | 53 (9.7) | 0.523 |
 Temporary resident | 289 (64.8) | 126 (68.1) | 381 (69.5) | |
 Floating or unknown | 113 (25.3) | 40 (21.6) | 114 (20.8) | |