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Table 4 Covariates of HBV infection in IDUs (univariate analysis)

From: A hepatitis A, B, C and HIV prevalence and risk factor study in ever injecting and non-injecting drug users in Luxembourg associated with HAV and HBV immunisations

Parameter Category N per category HBV +
N (%)
OR 95%CI
Age, years (N = 254) 18-24 8 12.9 1  
  25+ 66 34.4 3.5 [1.6; 7.8]
Nationality (N = 254) Other 21 39.6 1  
  Portugal 20 38.5 2.2 [1.1; 4.3]
  Luxembourg 33 22.1 2.3 [1.2; 4.5]
Heroin career, years (N = 227) 0-9 21 22.8 1  
  10+ 51 37.8 2.1 [1.1; 3.7]
Cocaine career, years (N = 229) 0-5 17 19.8 1  
  6+ 51 35.7 2.2 [1.2; 4.2]
Speedball career, years (N = 168) 0-5 22 21.4 1  
  6+ 30 46.2 3.2 [1.6; 6.2]
Amphetamine carreer, years (N = 158) 0-5 22 20.4 1  
  6+ 19 38.0 2.4 [1.1; 5.0]