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Table 1 Distribution of sociodemographics among different subgroups of RD use (N = 4496)

From: Use of multiple recreational drugs is associated with new HIV infections among men who have sex with men in China: a multicenter cross-sectional survey

 

N

0DUs (n = 3221)

1DUs (n = 1050)

2DUs (n = 155)

3DUs (n = 70)

P for trend

Age (years)

 18–25

1617

1123

412

59

23

0.087

 26–30

1181

721

375

63

22

< 0.001

  > 30

1698

1377

263

33

25

< 0.001

Residence

 Local cities

1785

1327

385

45

28

0.002

 Non-local cities

2711

1894

665

110

42

0.002

Education

 Junior school or below

916

674

169

45

28

0.17

 High school

1201

877

269

37

18

0.227

 College or above

2379

1670

612

73

24

0.972

Marital status

 Never married

3303

2266

860

129

48

< 0.001

 Married

1193

955

190

26

22

< 0.001

Occupation

 Student

565

418

127

16

4

0.058

 Non-student

3931

2803

923

139

66

0.058

Monthly income (USD)

 No income

769

591

146

25

7

0.001

 1–599

2858

2069

658

94

37

0.042

  ≥ 600

869

561

246

36

26

< 0.001

Primary sex position during AIa

 Top

1395

1053

291

34

17

< 0.001

 Bottom

988

725

222

31

10

0.067

 Versatile

2022

1371

527

82

42

< 0.001

Knowledge of HIV prevention

 Inadequate

2730

1861

676

128

65

< 0.001

 Adequate

1766

1360

374

27

5

< 0.001

  1. 0DUs No RDs used in the previous 6 months, 1DUs One type of RD used in the previous 6 months, 2DUs Two types of RDs used in the previous 6 months, 3DUs Three or more types of RDs used in the previous 6 months, AI anal intercourse. The P for the trend of sociodemographics in different subgroups was determined using the Cochran–Armitage trend test a. Ninety-one participants did not respond to this variable on the questionnaire