Table 1 Basic characteristics and HIV/STIs prevalence among China MSM

Overall

3830(100.0)

1072(28.0)

2758(72.0)

Education

<High school

689(18.0)

190(17.7)

499(18.1)

0.790

≥High school

3141(82.0)

882(82.3)

2259(81.9)

Marital status

Ever married

1061(27.7)

211(19.7)

850(31.0)

<0.01

Never married

2769(72.3)

861(80.3)

1908(69.2)

Ethnicity

Han majority

3638(95.0)

1020(95.2)

2618(94.9)

0.770

Non-Han minorities

192(5.0)

52(4.9)

140(5.1)

Personal monthly income (Yuan)

>3000

1603(41.9)

541(50.5)

1062(38.5)

<0.001

≤3000

2226(58.1)

530(49.5)

1696(61.5)

Age, year (mean, SD)

30.5(9.5)

28.6(7.5)

31.3(10.2)

<0.001

HIV knowledge (maximal score = 8) (mean, SD)

7.4 (2.1)

6.7(2.3)

7.6(1.9)

<0.001

Number of sexual partners in the past 6 months

≤1

1434(37.9)

308 (29.2)

1126(41.2)

<0.001

≥2

2355(62.2)

746 (70.8)

1609(58.8)

Unprotected sex in the last sex act

2889(75.5)

839 (78.3)

2050(74.3)

0.010

HIV infection

354(9.2)

125 (11.7)

229(8.03)

<0.01

Syphilis infection

466(12.2)

157(14.7)

309(11.2)

<0.01

HSV-2 infection

394(10.3)

99(9.2)

295(10.7)

0.100