Table 1 Demographic characteristics and sexual behavior patterns of MSM students who have knowledge about PrEP, n (%)

Age

3.668

0.0555^*

16∼

1034 (89.8)

123 (94.6)

911 (89.2)

25∼

117 (10.2)

7 (5.4)

110 (10.8)

Educational attainment

2.117

0.3470^*

Senior high or secondary school

88 (7.6)

10 (7.7)

78 (7.6)

Junior college or College graduate

870 (75.6)

104 (80.0)

766 (75.0)

Graduate degree or higher

193 (16.8)

16 (12.3)

177 (17.3)

High-risk areas

1.265

0.2607^*

No

1092 (94.9)

126 (96.9)

966 (94.6)

Yes

59 (5.1)

4 (3.1)

55 (5.4)

Pilot cities

0.108

0.7421^*

No

1063 (92.4)

121 (93.1)

942 (92.3)

Yes

88 (7.6)

9 (6.9)

79 (7.7)

Economic level division

0.975

0.6142^*

High GDP

513 (44.6)

53 (40.8)

460 (45.1)

Medium GDP

384 (33.4)

45 (34.6)

339 (33.2)

Low GDP

254 (22.1)

32 (24.6)

222 (21.7)

Commercial sexual behavior

1.721

0.1896^*

No

1053 (91.5)

115 (88.5)

938 (91.9)

Yes

98 (8.5)

15 (11.5)

83 (8.1)

Monthly income (CNY)

5.022

0.2851^*

No regular source of income

819 (71.2)

100 (76.9)

719 (70.4)

<3000 RMB

222 (19.3)

16 (12.3)

206 (20.2)

3000–5000

75 (6.5)

10 (7.7)

65 (6.4)

5000–8000

22 (1.9)

2 (1.5)

20 (2.0)

8000∼

13 (1.1)

2 (1.5)

11 (1.1)

Results of the most recent HIV test during the preceding 6 months

26.055

< 0.0001^**

Never

124 (10.8)

31 (23.8)

93 (9.1)

Negative

1027 (89.2)

99 (76.2)

928 (90.9)

STD

No

1060 (92.1)

115 (88.5)

945 (92.6)

2.656

0.1032^*

Yes

91(7.9)

15(11.5)

76(7.4)

Sexual role with a man during the preceding 6 months

5.477

0.1400^*

Top

318 (27.6)

35 (26.9)

283 (27.7)

Versatile

217 (18.9)

17 (13.1)

200 (19.6)

Bottom

505 (43.9)

60 (46.2)

445 (43.6)

Oral

111 (9.6)

18 (13.8)

93 (9.1)

Frequency of condom use in anal sex during the preceding 6 months ^f

9.235

0.0024^*

Low

314(27.3)

50 (38.5)

264 (25.9)

High

837(72.7)

80 (61.5)

757 (74.1)

Number of sexual partners during the preceding 6 months

2.899

0.2347^*

1–5

1023(88.88)

120(92.30)

903(88.44)

6–10

87(7.56)

5(3.85)

82(8.03)

11∼

41(3.56)

5(3.85)

36(3.53)

Multi-person sexual behavior

0.464

0.4959^*

No

1015 (88.2)

117 (90.0)

898 (88.0)

Yes

136 (11.8)

13 (10.0)

123 (12.0)

Knowledge of HIV acquisition status of sexual partners in the last six months

9.758

0.0076^*

Full

565 (49.1)

54 (41.5)

511 (50.0)

Partial

387 (33.6)

41 (31.5)

346 (33.9)

No

199 (17.3)

35 (26.9)

164 (16.1)

Substance use in the preceding 6 months

0.313

0.5759^*

No

709 (61.6)

83 (63.8)

626 (61.3)

Yes

442(38.4)

47(36.2)

395(38.7)