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Table 1 Demographics of study participants from Mountjoy Prison (March to August 2017)

From: Evaluating peer-supported screening as a hepatitis C case-finding model in prisoners

Variable Participant numbers Value n (%) Mean (SD)
Agea, b 425   32.8 (8.9)
Age of first incarcerationa 364   20.0 (7.1)
Episodes of incarcerationa 359   5.9 (8.3)
Total time incarcerated (years)a 361   7.7 (6.6)
Age of first drug usea 281   15.4 (7.7)
Age of first IV usea 106   20.1 (5.4)
Previous drug useb 409 199 (48.7)  
Shared needlesb 406 26 (6.4)  
Country of origin (n = 425)b
 Ireland   389 (91.5)  
 West Europe   4 (0.9)  
 East Europe   22 (5.2)  
 Africa   10 (2.4)  
HCV acquisition risk factors
 History of heroin use 355 161 (45.4)  
 History of IV use 341 111 (32.6)  
 Shared needle community 342 54 (15.8)  
 Shared equipment 344 120 (34.9)  
 Shared razor in prison 357 15 (4.2)  
 Shared toothbrush in prison 358 3 (0.8)  
 Prison tattoo 358 62 (17.3)  
 Unsterile tattoo community 346 49 (14.2)  
Opioid substitution treatment
 Methadone treatment history 342 124 (36.3)  
 Length of time on methadone maintenance treatment 101   4.9 (6.6)
  1. SD standard deviation, IV intravenous, HCV hepatitis C virus
  2. aValues are means (± SD) for continuous variables or n (%) for categorical variables
  3. bData from committal interview