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Table 1 Baseline characteristics of 1,390 men and 288 women admitted to a methadone treatment program in metropolitan Barcelona, Spain, between 1992 and 2010

From: Sex-specific disease outcomes of HIV-positive and HIV-negative drug users admitted to an opioid substitution therapy program in Spain: a cohort study

  Men Women pvalue
  n = 1,390 n = 288  
  n (%) n (%)  
Age at admission (median, IQR) 31 (26–36) 30 (24–35) 0.000
Period of admission:    0.972
1992-1996 505 (36.3) 103 (35.8)  
1997-2001 469 (33.7) 97 (33.7)  
2002-2006 250 (18.0) 55 (19.1)  
2007-2010 166 (11.9) 33 (11.5)  
Social and drug use characteristics    
Age at first heroin use (median, IQR) 19 (17–22) 19 (16–24) 0.940
Injection drug use (n = 1,562) 992 (76.8) 198 (73.1) 0.184
Unemployed (n = 1,560) 703 (54.5) 164 (60.5) 0.072
Primary school attainment (n = 1,552) 1,065 (83.1) 223 (82.3) 0.735
Prior incarceration (n = 1,480) 610 (49.8) 100 (39.4) 0.003
Co-morbidity    
HIV infection (n = 1,343) 582 (52.5) 140 (59.8) 0.040
HCV infection (n = 727) 443 (73.2) 92 (75.4) 0.617
HBV infection (HBcAb+) (n = 708) 369 (62.2) 65 (56.5) 0.250
Psychiatric disorder (n = 1,567) 311 (24.1) 83 (30.3) 0.031