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Table 1 Maternal characteristics, prevalence and risk factors for HCV and HIV infection among pregnant women in Public Health Settings, Central Brazil

From: Prevalence and risk factors for Hepatitis C and HIV-1 infections among pregnant women in Central Brazil

   HCV HIV-1
Characteristics Total N Positive (%) OR (95% CI) Positive (%) OR (95% CI)
Age, yearsa      
   12–19 6664 4 (0.06) 1 2 (0.03) 1
   20–29 17084 23 (0.13) 2.2 (0.8 – 6.5) 16 (0.09) 3.1 (0.7 – 13.6)
   30–39 4272 9 (0.21) 3.5 (1.1–11.4) 7 (0.16) 5.1 (1.1 – 24.8)
   ≥ 40 268 4 (1.50) 24.9 (6.2–98.9)   
Ethnicityb      
   White 7710 11 (0.14) 1 5 (0.06) 1
   Biracial 9523 20 (0.21) 1.5 (0.7 – 3.3) 10 (0.11) 1.6 (0.6 – 4.7)
   Black 1576 1 (0.06) 0.4 (0.02 – 3.3) 6 (0.38) 5.9 (1.8 – 19.2)
   Asian/indigenous 176     
Number of pregnanciesc      
   First 11637 12 (0.10) 1 9 (0.08) 1
   2–3 11079 19 (0.17) 1.7 (0.8 – 3.4) 11 (0.10) 1.3 (0.5 – 3.1)
   ≥ 4 2780 10 (0.36) 3.5 (1.5 – 8.1) 5 (0.18) 2.3 (0.8 – 6.9)
Previous mode of deliveryd      
   Vaginal 7665 14 (0.18) 1 5 (0.07) 1
   Cesarean section 4301 13 (0.30) 2.0 (0.9 – 4.6) 7 (0.16) 2.5 (0.7 – 9.0)
   Abortions only 1893 2 (0.11) 0.6 (0.1 – 2.6) 4 (0.21) 3.2 (0.9 – 12.0)
Gestational age, weekse      
   < 14 14647 19 (0.13) 1 11 (0.08) 1
   14–27 8741 16 (0.18) 0.8 (0.4 – 1.6) 8 (0.09) 1.3 (0.5 – 3.3)
   ≥ 28 1077 2 (0.19) 1.1 (0.2 – 4.5)   
  1. Missing data: a 273; b 9576; c 3065; d 3065; e 4096