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Table 1 Prevalence of HIV stratified by socio-demographic and behavioural variables.

From: HIV seroprevalence among participants at a Supervised Injection Facility in Vancouver, Canada: implications for prevention, care and treatment

Characteristic

HIV-Positive n (%)

HIV-Negative n (%)

Odds Ratio (95% CI)

p value

Age

    

   Median (IQR)

37.9 (10.3)

38.6 (12.1)

 

.914

Gender

    

   Male

113 (66.5)

612 (73.1)

0.73 (0.51 – 1.04)

.078

   Female

57 (33.5)

225 (26.9)

  

Ethnicity

    

   Aboriginal

55 (32.4)

140 (16.7)

2.38 (1.65 – 3.44)

<.001

   Other

115 (67.6)

697 (83.3)

  

Reside in DTES

    

   Yes

120 (70.6)

570 (68.1)

1.12 (0.78 – 1.61)

.524

   No

50 (29.4)

267 (31.9)

  

Daily Cocaine Injection

    

   Yes

68 (40.0)

258 (30.8)

1.50 (1.07 – 2.10)

.020

   No

102 (60.0)

579 (69.2)

  

Daily Heroin Injection

    

   Yes

78 (45.9)

435 (52.0)

0.78 (0.56 – 1.09)

.148

   No

92 (54.1)

402 (48.0)

  

Daily Crystal Meth Injection

    

   Yes

3 (1.8)

31 (3.7)

0.47 (0.14 – 1.55)

.202

   No

167 (98.2)

806 (96.3)

  

Public drug use

    

   Yes

128 (75.3)

605 (72.3)

1.17 (0.80 – 1.71)

.421

   No

42 (24.7)

232 (27.7)

  

Ever borrow needles/syringes

    

   Yes

122 (71.8)

455 (54.4)

2.13 (1.49 – 3.06)

<.001

   No

48 (28.2)

382 (45.6)

  

Share other equipment

    

   Yes

104 (61.2)

477 (57.0)

1.19 (0.85 – 1.67)

.314

   No

66 (38.8)

360 (43.0)

  

Require help injecting

    

   Yes

134 (78.8)

619 (74.0)

1.31 (0.88 – 1.95)

.183

   No

36 (21.2)

218 (26.0)

  

Binge drug use

    

   Yes

109 (64.1)

525 (62.7)

1.06 (0.75 – 1.50)

.732

   No

61 (35.9)

312 (37.3)

  

Addiction Treatment

    

   Yes

92 (54.1)

361 (43.1)

1.56 (1.12 – 2.17)

.009

   No

78 (45.9)

476 (56.9)

  

On Methadone Currently

    

   Yes

48 (28.2)

168 (20.1)

1.57 (1.08 – 2.28)

.018

   No

122 (71.8)

669 (79.9)

  

Sex-trade Ever

    

   Yes

78 (45.9)

317 (37.9)

1.39 (1.00 – 1.94)

.051

   No

92 (54.1)

520 (62.1)

  

History of incarceration

    

   Yes

150 (88.2)

658 (78.6)

2.04 (1.24 – 3.35)

.004

   No

20 (11.8)

179 (21.4)

  
  1. Note: IQR = inter-quartile range, DTES = Downtown Eastside