HIV prevalence, self-reported HIV status, HIV and sexually transmitted infection testing behaviour among MSM providing an oral fluid specimen across the survey years 2005, 2008 and 2011.

*Adjusted for age, qualification level, employment status and frequency of gay scene use, which differed between the surveys.已针对年龄、学历水平、就业状况以及同志场所使用频率进行校正，上述变量在各调查间存在差异。