Table 3 Characteristics correlated with unprotected anal intercourse among MSM in Guangzhou: trend from 2008 to 2013 ^a

Age (years)

  <20

64.3 (9)

70.0 (7)

69.2 (9)

80.0 (12)

88.9 (8)

73.3 (1)

0.94

0.333

  20-29

60.8 (132)

55.1 (125)

61.2 (150)

62.4 (156)

55.7 (127)

58.7 (226)

0.07

0.786

  30-39

64.0 (71)

54.9 (62)

58.3 (70)

67.3 (68)

55.5 (71)

51.7 (90)

2.61

0.106

  ≥40

56.8 (21)

45.7 (16)

40.7 (11)

35.3 (12)

58.3 (21)

57.6 (34)

0.55

0.458

Marital status

  Single

58.4 (125)

47.8 (111)

57.0 (146)

60.8 (158)

53.5 (138)

52.3 (225)

0.37

0.544

  Cohabiting with male partner

73.1 (49)

69.6 (48)

64.5 (40)

76.1 (35)

68.3 (43)

77.9 (81)

0.88

0.349

  Married

58.2 (46)

56.5 (39)

63.5 (47)

56.2 (50)

53.6 (37)

52.6 (40)

0.84

0.360

  Divorced or widowed

68.4 (13)

80.0 (12)

53.8 (7)

100.0 (5)

81.8 (9)

65.2 (15)

0.01

0.952

Education level

  Junior high school or lower

59.7 (43)

66.0 (31)

62.1 (41)

62.3 (33)

61.2 (30)

74.3 (26)

0.80

0.372

  Senior high school

62.2 (69)

55.6 (55)

64.3 (74)

65.0 (91)

59.2 (61)

59.1 (65)

0.01

0.914

  College or higher

61.7 (121)

51.9 (124)

55.8 (125)

59.9 (124)

54.6 (136)

55.3 (270)

0.44

0.509

  1

69.1 (65)

58.5 (72)

57.0 (69)

58.5 (72)

55.1 (75)

59.8 (110)

1.31

0.252

  2

60.0 (48)

58.7 (54)

59.4 (57)

70.4 (69)

68.0 (66)

62.9 (100)

1.25

0.263

  3

69.6 (48)

65.2 (43)

77.8 (49)

72.7 (48)

66.7 (48)

58.9 (66)

2.39

0.122

  4-9

75.4 (52)

60.5 (23)

80.0 (48)

70.6 (48)

62.5 (25)

72.4 (76)

0.16

0.689

  ≥10

83.3 (20)

62.1 (18)

85.0 (17)

78.6 (11)

72.2 (13)

58.3 (7)

0.07

0.403

HIV test in the past 12 months

  Yes

64.5 (40)

53.3 (146)

55.1 (98)

55.4 (98)

59.1 (117)

53.3 (180)

0.17

0.679

  No

60.9 (193

57.7 (64)

62.6 (142)

67.1 (147)

54.3 (107)

61.4 (181)

0.03

0.863