Table 1 Demographic characteristics of MSM recruited between 2009 and 2013 in China (N = 171, 311).

From: Changing trend of HIV, Syphilis and Hepatitis C among Men Who Have Sex with Men in China

Variables     

2009 (N = 17431)

2010 (N = 34191)

2011 (N = 37099)

2012 (N = 39910)

2013 (N = 42680)

homosexual %

bisexual %

homosexual %

bisexual %

homosexual %

bisexual %

homosexual %

bisexual %

homosexual %

bisexual %

Percentage of the class

77.1

22.9

74.3

25.7

71.6

28.4

75.2

24.8

79.0

21.0

Sampling site/methods

 Pub, Disco, Tearoom, or Club

35.9

36.1

33.0

33.4

27.7

30.7

28.5

28.6

26.5

22.7

 Spa or bathhouse, Sauna or Massage

11.1

14.0

11.0

15.4

12.7

17.2

11.2

15.2

9.8

11.7

 Park, Public Restroom, or Public Lawn

11.6

17.8

9.5

11.3

7.9

9.4

11.1

12.9

8.2

13.7

 Internet

27.0

20.3

26.2

21.7

31.9

22.4

31.7

25.9

35.1

27.9

 Others

          
 

13.1

10.9

18.8

16.9

19.2

20.0

17.3

17.1

20.1

23.8

Age

 1524

48.6

26.0

45.7

21.9

44.1

18.8

40.2

17.4

36.5

13.3

 25–49

49.3

71.1

52.0

74.4

53.1

77.2

56.8

78.1

60.0

81.6

 50−

2.1

2.9

2.3

3.8

2.8

3.9

3.0

4.5

3.5

5.1

Marital status

 Never Married and not cohabited

82.0

41.8

79.6

36.6

78.1

31.2

77.9

30.8

76.5

29.9

 Married

10.4

51.8

13.2

57.3

14.3

61.9

14.0

63.2

14.6

64.4

 Never married but cohabited

1.4

2.7

1.0

2.8

0.8

3.3

1.2

2.2

1.5

2.2

 Divorced or widowed

6.0

3.5

5.9

3.0

6.8

3.5

6.7

3.7

7.4

3.4

Resident

 The sampling province

84.4

83.2

82.0

81.0

83.2

85.1

84.3

84.5

85.1

84.5

 Other province

15.5

16.5

17.6

18.6

16.6

14.8

15.5

15.4

14.8

15.4

Education

 Illiteracy or only attended elementary

2.5

4.6

2.5

4.0

2.8

4.3

2.8

4.3

2.8

4.4

 Attended Junior high school

17.4

24.0

17.3

23.8

17.4

22.5

16.8

23.5

18.4

23.7

 Attended Senior high school or above

80.0

71.2

80.0

72.0

79.7

73.1

80.4

72.2

78.7

71.8