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Table 2 Bivariate and multivariate Cox proportional hazards analyses of the time to death among 2453 PWID

From: Impact of unstable housing on all-cause mortality among persons who inject drugs

  Unadjusted Adjusted
Relative hazard (RH) Relative hazard (ARH)
Variable RH (95% CI) p-value ARH (95% CI) p-value
Unstable housing*       
(Yes vs. No) 1.37 1.14-1.63 <0.001 1.30 1.08-1.56 0.005
Gender       
(Male vs. Female) 1.09 0.91-1.30 0.353    
Age       
(per 1 year older) 1.03 1.02-1.04 <0.001    
Ethnicity       
(Caucasian vs. Other) 1.07 0.90-1.28 0.440    
HIV serostatus       
(Positive vs. Negative) 2.67 2.24-3.18 <0.001 2.56 2.14-3.07 <0.001
Sex work involvement*       
(Yes vs. No) 0.76 0.57-1.02 0.071    
Daily heroin injection*       
(Yes vs. No) 0.80 0.64-1.00 0.051 0.83 0.66-1.04 0.108
Daily cocaine injection*       
(Yes vs. No) 1.44 1.16-1.80 0.001 1.36 1.08-1.71 0.009
Daily Non-injection cocaine use*       
(Yes vs. No) 0.89 0.73-1.08 0.238    
Enrolment in a methadone program*       
(Yes vs. No) 0.81 0.68-0.97 0.020    
Incarceration*       
(Yes vs. No) 0.92 0.72-1.17 0.486    
HCV serostatus       
(Positive vs. Negative) 1.95 1.30-2.94 0.001    
  1. *Behaviours refer to activities in the last six months.