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Table 2 Univariate analysis of the factors associated with HIV/AIDS knowledge awareness, receptive sharing of syringe, and inconsistent condom use

From: HIV/AIDS-related knowledge awareness and risk behaviors among injection drug users in Maanshan, China: a cross-sectional study

Socio-demographics and behavioral characteristics

HIV/AIDS knowledge awareness

Receptive syringe sharing in the past year

Condom use in the past year

Unknown (n = 60)

Known (n = 856)

OR (95 % CI)

Never (n = 762)

Yes (n = 154)

OR (95 % CI)

Consistent condom use/never engagein commercial sex (n = 804)

Inconsistent condom use in commercial sex (n = 112)

OR (95 % CI)

Recruitment methods

Mandatory Detoxification Centers

10 (6.5)

145 (93.5)

1

119 (76.8)

36 (23.2)

1

131 (84.5)

24 (15.5)

1

Community

50 (6.6)

711 (93.4)

0.98 (0.49-1.98)

643 (84.5)

118 (15.5)

0.61 (0.40-0.92)**

673 (88.4)

88 (11.6)

0.71 (0.44-1.16)

Gender

Male

50 (7.0)

668 (93.1)

1

587 (81.8)

131 (18.2)

1

627 (87.3)

91 (12.7)

1

Female

10 (5.1)

188 (94.9)

1.41 (0.70-2.83)

175 (88.4)

23 (11.6)

0.59 (0.37-0.95)**

177 (89.4)

21 (10.6)

0.82 (0.49-1.35)

Age (years)

18-29

15 (16.3)

77 (83.7)

1

75 (81.5)

17 (18.5)

1

73 (79.3)

19 (20.7)

1

30-39

20 (3.9)

497 (96.1)

4.84 (2.38-9.86)***

428 (82.8)

89 (17.2)

0.92 (0.52-1.63)

450 (87.0)

67 (13.0)

0.57 (0.33-1.01)*

40-60

25 (8.1)

282 (91.9)

2.20 (1.10-4.37)**

259 (84.4)

48 (15.6)

0.82 (0.44-1.51)

281(91.5)

26 (8.5)

0.36 (0.19-0.68)**

Marital status

Single

15 (8.1)

171 (91.9)

1

154 (82.8)

32 (17.2)

1

141 (75.8)

45 (24.2)

1

Married or cohabiting

36 (5.8)

590 (94.2)

1.44 (0.77-2.69)

522 (83.4)

104 (16.6)

0.96 (0.62-1.48)

584 (93.3)

42 (6.7)

0.23 (0.14-0.36)***

Divorced or widowed

9 (8.7)

95 (91.3)

0.93 (0.39-2.20)

86 (82.7)

18 (17.3)

1.01 (0.53-1.90)

79 (76.0)

25 (24.0)

0.99 (0.57-1.74)

Residential status

Local resident

48 (5.5)

830 (94.5)

1

737 (83.9)

141 (16.1)

1

780 (88.8)

98 (11.2)

1

non-local resident

12 (31.6)

26 (68.4)

0.13 (0.06-0.26)***

25 (65.8)

13 (34.2)

2.72 (1.36-5.44)**

24 (63.2)

14 (36.8)

4.64 (2.33-9.27)***

Ethnicity

Han

54 (6.0)

848 (94.0)

1

755 (83.7)

147 (16.3)

1

794 (88.0)

108 (12.0)

1

Minority ethnic

6 (42.9)

8 (57.1)

0.09 (0.03-0.25)***

7 (50.0)

7 (50.0)

5.13 (1.77-14.86)**

10 (71.4)

4 (28.6)

2.94 (0.91-9.54)*

Education level

≤Primary school

16 (18.6)

70 (81.4)

1

60 (69.8)

26 (30.2)

1

71 (82.6)

15 (17.4)

1

Junior high

36 (6.2)

549 (93.8)

3.49 (1.84-6.61)***

486 (83.1)

99 (16.9)

0.47 (0.28-0.78)**

511 (87.4)

74 (12.6)

0.69 (0.37-1.26)

≥Senior high

8 (3.3)

237 (96.7)

6.77 (2.78-16.48)***

216 (88.2)

29 (11.8)

0.31 (0.17-0.57)***

222 (90.6)

23 (9.4)

0.49 (0.24-0.99)**

Drugs used in the past year

Heroin

No

5 (15.2)

28 (84.8)

1

29 (87.9)

4 (12.1)

1

30 (90.9)

3 (9.1)

1

Yes

55 (6.2)

828 (93.8)

2.69 (1.00-7.23)*

733 (83.0)

150 (17.0)

1.48 (0.50-4.28)

774 (87.7)

109 (12.3)

1.41 (0.42-4.69)

Methamphetamine

No

50 (6.2)

762 (93.8)

1

681 (83.9)

131 (16.1)

1

724 (89.2)

88 (10.8)

1

Yes

10 (9.6)

94 (90.4)

0.62 (0.30-1.26)

81 (77.9)

23 (22.1)

1.48 (0.89-2.43)

80 (76.9)

24 (23.1)

2.47 (1.49-4.10)***

Other

No

56 (6.3)

836 (93.7)

1

746 (83.6)

146 (16.4)

1

787 (88.2)

105 (11.8)

1

Yes

4 (16.7)

20 (83.3)

0.34 (0.11-1.01)*

16 (66.7)

8 (33.3)

2.56 (1.07-6.08)**

17 (70.8)

7 (29.2)

3.09 (1.25-7.62)**

Peer education in the past year

No

45 (10.8)

373 (89.2)

1

325 (77.8)

93 (22.2)

1

363 (86.8)

55 (13.2)

1

Yes

15 (3.0)

483 (97.0)

3.89 (2.13-7.08)***

437 (87.8)

89 (12.2)

0.49 (0.34-0.69)***

441 (88.6)

57 (11.4)

0.85 (0.57-1.27)**

Unprotected commercial sexual in the past year

No

52 (6.5)

752 (93.5)

1

680 (84.6)

124 (15.4)

1

   

Yes

8 (7.1)

104 (92.9)

0.90 (0.42-1.95)

82 (73.2)

30 (26.8)

2.01 (1.27-3.18)**

Receptive sharing of syringe in the past year

No

49 (6.4)

713 (93.6)

1

      

Yes

11 (7.1)

143 (92.9)

0.89 (0.45-1.76)

  1. OR Odds Ratio, CI Confidence Interval
  2. *p < 0.10; **p < 0.05; ***p < 0.001 (p values for comparing the characteristics between IDUs are from Chi square test)