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Table 1 Univariate and multivariate analysis of developing a CIRI among SEOSI participants (n = 1065)

From: Risk factors for developing a cutaneous injection-related infection among injection drug users: a cohort study

Variable OR (95% - CI) AOR (95% - CI)
Age     
   (per year older) 0.98 (0.96 – 1.00) 1.00 (0.98 – 1.02)
Sex     
   (Female vs. Male) 1.90 (1.39 – 2.58) 1.68 (1.16 – 2.43)
Unstable housing     
   (Yes vs. No) 1.56 (1.15 – 2.12) 1.49 (1.10 – 2.03)
DTES residence     
   (Yes vs. No) 1.33 (0.96 – 1.85)   
Sex trade*     
   (Yes vs. No) 1.74 (1.24 – 2.45) 1.02 (0.67 – 1.56)
Borrowing syringes*     
   (Yes vs. No) 1.88 (1.22 – 2.88) 1.60 (1.03 – 2.48)
Requiring help inject*     
   (Yes vs. No) 1.85 (1.37 – 2.50) 1.42 (1.03 – 1.94)
Use puddle to inject*     
   (Yes vs. No) 1.32 (0.83 – 2.11)   
Cocaine injection*     
   (Daily vs. Not) 1.66 (1.23 – 2.25) 1.41 (1.02 – 1.95)
Heroin injection*     
   (Daily vs. Not) 1.53 (1.14 – 2.04) 1.26 (0.93 – 1.72)
Crack injection*     
   (Daily vs. Not) 1.54 (0.96 – 2.46)   
Crystal meth. injection*     
   (Daily vs. Not) 1.48 (0.73 – 3.02)   
Speedball injection*     
   (Daily vs. Not) 2.00 (1.35 – 2.96) 1.37 (0.89 – 2.11)
SIF use     
   (Always vs. Not) 0.47 (0.23 – 0.94) 0.58 (0.29 – 1.19)
HIV serostatus     
   (Yes vs. No) 1.23 (0.85–1.77)   
HCV serostatus     
   (Yes vs. No) 1.35 (0.81 – 2.25)   
  1. Note: *activity past 6 months, DTES = downtown eastside, meth. = methamphetamine, SIF = supervised injection facility