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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)