Study | Study year | Location | Sampling method | Sample size | Education | Age (Mean or Min-Max) | College or above (%) | Self-reported sexual orientation as gay (%) | HIV infectiona(%) | Syphilis infectionb(%) | Scores of study qualityc |
---|---|---|---|---|---|---|---|---|---|---|---|
Ruan Y, 2007 [25] | 2005 | Beijing | The Internet, MSM peer | 108 | High school or below (NA) and College or above (NA) | NA | NA | NA | 1.8 | 4.6 | 10 |
Zhang X, 2007 [26] | 2005-2006 | Beijing | VCT clinic | 130 | High school or below (NA) and College or above (NA) | NA | NA | NA | 1.5 | NA | 10 |
Zhu JL,2007 [27] | 2005 | Hefei | RDS, MSM peer, the Internet | 121 | High school(25) and college students (96) | 18-29 | 79.5 | 68.0 | 1.7 | 7.4 | 6 |
Chen GM, 2010 [28] | 2008 | Wuhu | Snowballing | 129 | College students | 17–28 | NA | 71.8 | NA | NA | 5 |
Feng LG,2010 [29] | 2006 | Chongqing | Snowballing | 210 | High school or below (80) and College or above (130) | 20.2 | 61.9 | 71.9 | 4.3 | 7.1 | 5 |
Feng LG,2010 [29] | 2007 | Chongqing | Snowballing | 206 | High school or below (74) and College or above (132) | 20.3 | 64.1 | 81.1 | 3.9 | 3.9 | 5 |
Feng LG,2010 [29] | 2008 | Chongqing | Snowballing | 181 | High school or below (21) and College or above (160) | 21.4 | 88.4 | 71.3 | 11.0 | 2.8 | 5 |
Feng LG,2010 [29] | 2009 | Chongqing | Snowballing | 190 | High school or below (39) and College or above (151) | 21.4 | 79.5 | 74.2 | 11.1 | 5.8 | 5 |
Wang LX,2010 [30] | 2005–2006 | 9 citiesb | Snowballing | 324 | College students | 21.6 | NA | NA | 0.6 | NA | 5 |
Zhou C, 2010 [31] | 2008 | Chongqing | Snowballing | 253 | High school or below (26) and College or above (227) | 18–27 | 89.7 | 76.3 | 9.1 | 3.6 | 5 |
Du GY,2011 [32] | 2010 | Liaocheng | Snowballing | 89 | High school or below (NA) and College or above (NA) | 17–25 | NA | 71.7 | 1.1 | 2.3 | 6 |
He QY,2011 [33] | 2008 | Chengdu | Snowballing | 169 | High school or below (26) and College or above (143) | 13–27 | 84.6 | 71.6 | 8.9 | 5.3 | 5 |
Xi QH, 2011 [34] | 2009 | Nanchang | Snowballing | 78 | College students | 20.8 | 100 | NA | NA | NA | 5 |
Xu JJ,2011 [35] | 2008–2009 | Liaoning | MSM NGO invited | 436 | High school(164) and college students (272) | NA | 37.6 | 57.8 | 3.0 | 5.0 | 9 |
Zheng JD,2011 [36] | 2007 | Beijing | The Internet, NGO | 157 | College students | NA | 100.0 | 77.7 | 2.5 | 7.0 | 10 |
Zhang L,2012 [37] | 2009 | Chongqing | RDS | 183 | High school or below (29) and College or above (154) | NA | 84.2 | 74.9 | 5.5 | 4.4 | 9 |
Chen LF, 2013 [38] | 2012 | Sanya | Snowballing | 128 | High school or below (NA) and College or above (NA) | 16–26 | NA | NA | 1.6 | 5.5 | 5 |
Wei S, 2013 [39] | 2008 | 4 citiesa | Snowballing and NGO | 205 | High school or below (NA) and College or above (NA) | 16–24 | NA | NA | 2.9 | 4.9 | 9 |