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. Author manuscript; available in PMC: 2010 Jun 5.
Published in final edited form as: Eur Addict Res. 2009 Jun 5;15(3):163–170. doi: 10.1159/000220344

Table 3.

Multivariate correlates of engaging in unsafe injecting

Characteristic Receptive syringe sharinga Distributive syringe sharing Shared cookerb Shared filterc SMSd

aOR (95% CI) aOR (95% CI) aOR (95% CI) aOR (95% CI) aOR (95% CI)

Urban environmental characteristics
Live with parents - - 1.7 (1.1, 2.6) - -
Obtained syringes within housing complex - - - - 1.9 (1.1, 3.2)
Obtained drugs within housing complex - - 2.6 (1.1, 6.4) - -
Social influence and social norms
Any drug buddies encourage sharing 2.2 (1.1, 4.3) 2.8 (1.6, 4.0) 2.1 (1.0, 4.3) - -
Individual characteristics
Age – 30 and above 0.6 (0.3, 1.0) 0.5 (0.3, 0.7) - - -
Salary income - - 0.6 (0.4, 0.9) - 0.6 (0.4, 0.9)
Employed full time - 0.5 (0.3, 0.9) - - -
Daily heroin injection - 1.5 (1.0, 2.3) - - -
Always cleaned used syringes 2.8 (1.6, 4.9) 2.5 (1.6, 4.0) 2.0 (1.2, 3.5) 2.2 (1.3, 3.8) 3.0 (1.7, 5.2)
Street doctor - - - 2.5 (1.3, 4.9) -
Self-reported HIV status
 Does not know (reference) (reference) - - -
 Negative 0.8 (0.4, 1.6) 1.3 (0.8, 2.0) - - -
 Positive 7.0 (3.6, 13.6) 0.5 (0.3, 0.9) - - -

Notes

a

Receptive syringe sharing after an HIV infected IDU

b

Shared cookers when not all syringes were new

c

Shared filters when not all syringes were new

d

Syringe mediated drug sharing (squirting drugs from one syringe to another) when not all syringes were new