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Table 1 HIV prevalence at screening by age group, overall and by site

From: Recruitment of high risk women for HIV prevention trials: baseline HIV prevalence and sexual behavior in the CAPRISA 004 tenofovir gel trial

 

HIV prevalence

 

Overall

Rural (FP)

Urban (STD)

 

n/N

% (95%CI)

n/N

% (95%CI)

n/N

% (95%CI)

HIV prevalence

536/2079*

25.8 (23.9-27.7)

272/1081

25.2 (22.6-27.9)

264/998

26.5 (23.8-29.3)

Age specific HIV prevalence

      

Missing

0/2

0

  

0/2

0

   18 to 24 years

242/1200

20.2 (18.0-22.6)

122/685

17.8 (15.1-20.9)

120/515

23.3 (19.8-27.2)

   25 to 29 years

138/465

29.7 (25.6-34.1)

66/209

31.6(25.44-38.4)

72/256

28.1 [22.8-34.1)

   30 to 34 years

104/261

39.9 (33.9-46.1)

59/126

46.8 (38.0-55.9)

45/135

33.3 (25.6-42.0)

   35 to 40 years

52/151

34.4 (27.0-42.7)

25/61

41.0 (28.8-54.3)

27/90

30.0 (21.0-40.7)

  1. *81 missing observations were excluded from percentage calculations.