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Table 1 Demographic characteristics, drug use and sexual behaviors, and utilization of HIV-related prevention services among club drug users in Shandong Province, China

From: Syndemics of syphilis, HCV infection, and methamphetamine use along the east coast of China

Factors

Participants

Syphilis

HCV

Unprotected sex*

N=805

%

n=77

%

n=30

%

N=211

%

Age (years; x ¯ ± SD )

30 ± 9.1

32.1 ± 11.4

29.8 ± 10.1

29.9 ± 9.2

 ≥18

285

35.4

27

9.5

11

3.9

72

49.0

 25-35

281

34.9

20

7.1

11

3.9

62

44.9

 35-45

183

22.7

21

11.5

6

3.3

57

54.3

 ≥45

56

7.0

9

16.1

2

3.6

20

60.6

Gender

        

 Male

662

82.2

52

7.9

26

3.9

176

37.6

 Female

143

17.8

25

17.5

4

2.8

35

53.3

Marital status

        

 Single

225

28.0

21

9.3

9

4.0

67

47.2

 Married or cohabiting

565

70.2

52

9.2

20

3.5

139

51.5

 Divorced or widowed

15

1.8

4

26.7

1

6.7

5

45.5

Education

        

 Middle school or lower

517

64.2

49

9.5

15

2.9

179

58.5

 High school or higher

288

35.8

28

9.7

15

5.2

32

27.4

Types of drugs #

        

 Heroin

26

3.2

0

0.0

3

11.5

2

28.6

 Cocaine

1

0.1

0

0.0

0

0.0

1

100

 Opium

0

0

0

0.0

0

0.0

0

0

 Cannabis

4

0.5

0

0.0

0

0.0

1

33.3

 Morphine

1

0.1

0

0.0

0

0.0

0

0

 Methamphetamine

778

96.6

77

9.9

28

3.6

207

49.9

 Pethidine

0

0

0

0.0

0

0.0

0

0

 Ketamine

51

6.3

1

2.0

2

3.9

2

28.6

 MAMD

36

4.5

0

0.0

0

0.0

1

20.0

 Amphetamine

32

4.0

1

3.1

3

9.4

2

40.0

Multi-drug use (types)

        

 <2

709

88.1

75

10.6

25

3.5

208

51.0

 ≥2

96

11.9

2

2.1

5

5.2

3

20.0

Had ever injected

        

 Yes

92

11.4

8

8.7

9

9.8

11

44.0

 No

713

88.6

69

9.7

21

2.9

200

50.3

Had ever sex with regular sex partners in last year

    

 Yes

558

98.8

49

8.8

20

3.6

138

51.9

 No

7

1.2

3

42.9

0

0.0

1

25.0

Condom use with regular sex partners in last year

   

 Always

21

3.8

0

0.0

1

4.8

0

0

 Sometimes

120

21.5

6

5.0

2

1.7

4

11.4

 Never

417

74.7

43

10.3

17

4.1

134

58.8

Condom use with regular sex partners in last sex

    

 Yes

41

7.3

1

2.4

1

2.4

0

0

 No

517

92.7

49

8.8

19

3.7

138

54.5

Had ever sex with commercial sex partners in last year

   

 Yes

423

52.5

49

11.6

13

3.1

-

-

 No

382

47.5

28

7.3

17

4.5

-

-

Condom use with commercial sex partners in last year

   

 Always

43

10.1

2

4.7

1

2.3

-

-

 Sometimes

169

40.0

23

13.6

3

1.8

-

-

 Never

211

49.9

24

11.4

3

1.4

-

-

Condom use with commercial sex partners in last sex

    

 Yes

105

24.8

6

5.7

3

2.9

-

-

 No

318

75.2

43

13.5

4

1.3

-

-

Ever received intervention

       

 Yes

130

16.1

14

10.8

5

3.8

29

34.1

 No

675

83.9

63

9.3

25

3.7

182

53.8

Syphilis/HCV infection

        

 Syphilis Positive

77

9.6

-

-

11

14.3

24

56.2

 HCV Positive

30

3.7

11

36.7

-

-

3

42.9

 Syphilis/HCV Negative

709

88.1

-

-

-

-

186

26.2

HIV knowledge score

        

 Score<6

267

33.2

31

11.6

7

2.6

155

72.1

 Score ≥ 6

538

66.8

46

8.6

23

4.3

56

26.9

  1. Subtotals do not add up to 100% for some variables because of missing values.
  2. *Unprotected sex means no condom use with commercial sex partners in the last year.
  3. #The factor of “types of drugs” was multi-choice variables, the percentages will not add up to 100%.