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Table 1 HIV, HBV, HCV, and syphilis infection status according to different variables

From: Infection status and risk factors of HIV, HBV, HCV, and syphilis among drug users in Guangdong, China - a cross-sectional study

Variable

HIV(+/-)

t(Z)orχ2

HBsAg (+/-)

t(Z)orχ2

HCV (+/-)

t(Z)orχ2

syphilis(+/-)

t(Z)orχ2

Sex:

        

male

31/648

0.01

129/550

0.56

493/186

3.93*

76/603

14.16*

female

3/58

 

14/47

 

37

 

17/44

 

Age(year)

        

Δ

34.9/31.1

3.15 *

30.6/31.4

-1.31

31.7/30.2

2.78*

32.4/32.1

1.69

Ethnicity:

        

Han

34/696

0.00

142/588

0.56

525/205

2.33

90/640

2.80

Minority

0/10

 

1/9

 

5/5

 

3/7

 

Marital status:

        

single

9/325

6.87 *

51/283

6.44*

226/108

6.94*

42/292

5.84

Married or cohabitation

18/311

 

75/254

 

241/88

 

35/294

 

Divorced or separated

7/70

 

17/60

 

63/14

 

16/61

 

Education:

        

<6 years

13/278

2.75

62/229

1.34

220/71

4.15

42/249

4.50

6 years-9 years

20/347

 

65/302

 

251/116

 

37/330

 

Above 9 years

1/81

 

16/66

 

59/23

 

14/68

 

Occupation:

        

worker

6/155

1.23

39/122

12.19*

113/48

1.75

19/142

2.62

farmer

7/111

 

26/92

 

85/33

 

14/104

 

unemployed

12/218

 

30/200

 

168/62

 

30/192

 

driver

4/93

 

15/82

 

65/32

 

16/81

 

others

5/129

 

33/101

 

99/35

 

14/128

 

Monthly income:

        

<1000 Yuan

14/435

7.35

86/363

0.48

322/127

12.57*

54/395

5.70

1000~2000 Yuan

12/172

 

34/150

 

137/47

 

21/163

 

2000~3000 Yuan

3/55

 

13/45

 

31/27

 

13/45

 

Above 3000 Yuan

5/44

 

10/39

 

40/9

 

5/44

 

Registered Residence:

        

Qingyuan

31/602

0.91

122/511

0.01

462/171

4.00*

76/557

1.25

Other regions

3/104

 

21/86

 

68/39

 

17/90

 

Origin of family:

        

unban

19/359

1.21

78/297

1.49

268/107

0.51

40/335

13.09*

Sub-urban

12/239

 

47/204

 

183/68

 

46/205

 

city

3/111

 

18/96

 

79/35

 

7/107

 

Knowledge score

        

Δ

13.7/14.1

0.34

13.9/14.1

-0.29

14.1/14.0

0.29

14.0/14.1

-0.08

Total numbers of admission to MDC Δ

2.0/2.0

0.07

2.0/2.0

0.43

2.0/2.0

3.55*

2.0/2.0

2.01*

Age at first drug use Δ

26.7/23.5

2.71 *

23.1/23.1

-1.35

23.8/23.3

0.74

24.0/23.6

0.54

Duration of drug use:

        

≥ 5 years vs. <5 years

7.89/7.73

0.76

6.1/8.0

0.50

7.9/5.4

2.79*

9.8/7.5

1.31

Ever used combined drugs:

        

Y

8/232

1.28

47/193

0.01

169/71

0.25

37/203

2.62

N

26/474

 

96/404

 

361/139

 

56/444

 

Continued table 1

Ever injected drug in past 12 months before entering MDC:

        

Y

33/519

9.49 *

105/447

0.12

427/125

35.14*

75/477

2.05

N

1/187

 

38/150

 

103/85

 

18/170

 

Age at first injection Δ

27.1/25.0

1.81

25.4/25.2

0.32

25.3/24.9

0.66

24.7/25.3

-0.85

Duration of injection Δ

6.0/6.0

0.03

5.0/6.0

1.32

7.0/6.0

0.31

6.0/7.0

0.74

Frequency of injection in past 3 months before entering MDC:

        

≤1time/day

13/269

2.19

55/227

0.20

218/64

5.38

35/247

2.44

2~3 time/day

17/206

 

42/181

 

177/46

 

31/192

 

≥4 time/day

3/44

 

8/39

 

32/15

 

9/38

 

Ever shared needle and/or syringe in the last injection:

        

Y

7/128

0.20

30/105

1.18

106/29

0.13

22/113

1.11

N

26/391

 

75/342

 

321/96

 

53/364

 

Ever shared need and/or syringe in last 3 months before entering MDC:

        

Y

14/191

0.42

46/159

2.47

164/41

1.30

24/181

0.98

N

19/328

 

59/288

 

263/84

 

51/296

 

regular sex partners ever used drug:

        

Y

0/29

0.92

11/18

4.79*

19

1.39

8/21

6.90*

N

29/445

 

98/376

 

357

 

53/421

 

Consistent condom use with regular sex partner in past 3 months before enteringMDC:

        

Y

6/111

0.01

25/92

0.01

84

0.75

20/97

2.74

N

17/298

 

66/249

 

239

 

35/280

 

Consistent condom use with non-regular sex partner in past 3 months before entering MDC:

        

Y

4/86

0.00

23/67

5.64

57

1.78

11/79

0.08

N

5/113

 

15/103

 

85

 

16/102

 

ever had commercial sex in past 12 months before entering MDC:

        

Y

11/157

1.89

32/136

0.01

115

1.07

37/131

17.68

N

23/549

 

111/461

 

415

 

56/516

 

Consistent condom use with commercial sex partner in past 3 months before entering MDC:

        

Y

2/61

1.09

5/58

8.07 *

32

15.71*

12/51

0.33*

N

9/96

 

27/78

 

84

 

24/81

 
  1. Continued table 1
  2. Note: * p < 0.05, (+/-): (the number of positive/the number of negative) Δ: mean or average
  3. MDC: mandatory detoxification center;