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Table 1 Prevalence of HIV-1 infection in 9,008 individuals screened in 3 VCTs of Rio de Janeiro state from November 2004 to October 2005.

From: Prevalence, estimated HIV-1 incidence and viral diversity among people seeking voluntary counseling and testing services in Rio de Janeiro, Brazil

Variables (n) Seropositives P value
  %Prevalence (n) 95%Confidence Interval  
Overall= 9,008 4.8 (434) 4.4 - 5.3 -
Gender    
   Female (5,282) 3.6 (191) 3.1 - 4.1 < 0,0001 a
   Male (3,726) 6.5 (243) 5.7 - 7.3  
Sexual practice (men)    
   Heterosexual (3,327) 4.3 (144) 3.6 - 5.0 < 0,0001 a
   MSM (399) 24.8 (99) 19.9 - 29.7  
Age - years    
   < 25 (2,525) 2.6 (65) 1.9 - 3.2 < 0,0001 b
   25 a 40 (3,671) 6.4 (233) 5.5 - 7.1  
   > 40 (2,812) 4.8 (136) 4.0 - 5.6  
  1. a = X 2
  2. b = Fisher's exact test