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Table 1 Univariate and multivariate GEEa analyses of factors associated with being referred to Vancouver's supervised injection facility by local police officers

From: Police and public health partnerships: Evidence from the evaluation of Vancouver's supervised injection facility

Characteristicf ORb (95% CId) p-value c AORb (95% CId) p-value
Older Age     
   per year older 0.98 (0.96 – 1.00) 0.041 1.00 (0.98 – 1.02) 0.961
Gender     
   Female vs. Male 0.73 (0.52 – 1.01) 0.059   
Aboriginal Ethnicity     
   Yes vs. No 1.51 (1.05 – 2.16) 0.027 1.41 (0.99 – 2.03) 0.065
Homelessness e     
   Yes vs. No 1.49 (1.08 – 2.06) 0.014 1.28 (0.92 – 1.78) 0.140
Sex Work e     
   Yes vs. No 2.03 (1.46 – 2.83) <0.001 1.80 (1.28 – 2.53) <0.001
Frequent Heroin Injection e     
   ≥ daily vs. < daily 1.53 (1.14 – 2.06) 0.005 1.32 (0.98 – 1.79) 0.070
Frequent Cocaine Injection e     
   ≥ daily vs. < daily 1.66 (1.24 – 2.24) <0.001 1.54 (1.14 – 2.08) 0.005
Syringe Sharing e     
   Yes vs. No 0.99 (0.68 – 1.44) 0.971   
Unsafe Syringe Disposal e     
   Yes vs. No 1.73 (1.20 – 2.50) 0.004 1.46 (1.00 – 2.11) 0.048
  1. Note: aGEE = Generalized Estimating Equation; bOR = Odds Ratio, AOR = Adjusted Odds Ratio; cValues based on Wald χ2 with 1 degree of freedom; dCI = Confidence Interval; eDenotes activities or situations referring to the previous 6 months; fFor full variable definitions see methods section.