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Table 1 HIV prevalence estimates from PMTCT data and ANC SS sites by demographic characteristics, Brazil 2010–2012

From: Transitioning from antenatal surveillance surveys to routine HIV testing: a turning point in the mother-to-child transmission prevention programme for HIV surveillance in Brazil

  PMTCT data ANC SS data  
Unweighted Weighted Unweighted Weighted Difference in prevalence
HIV + Total HIV prevalence
(95% CI)
HIV + Total HIV prevalence
(95% CI)
Relative Absolute
Overall 92 29,856 0.36
(0.27–0.47)
126 36,713 0.38
(0.31–0.48)
−0.05 −0.02
Age in years
 15–19 11 6443 0.25
(0.13–0.51)
16 8213 0.32
(0.18–0.58)
−0.16 −0.05
 20–24 18 9106 0.25
(0.14–0.45)
30 11,325 0.30
(0.19–0.47)
0.17 0.05
 25–29 29 7288 0.34
(0.20–0.56)
32 8837 0.35
(0.22–0.56)
−0.03 −0.01
 30–39 31 6445 0.61
(0.39–0.96)
44 7648 0.60
(0.40–0.88)
0.02 0.01
 40–49 3 574 0.26
(0.27–0.47)
4 690 0.32
(0.11–0.93)
−0.19 −0.06
Region
 North 5 5115 0.07
(0.03–0.18)
21 7236 0.36
(0.22–0.57)
−0.98 −0.35
 Northeast 12 4867 0.28
(0.15–0.52)
16 7377 0.24
(0.14–0.41)
0.17 0.04
 Southeast 14 7313 0.29
(0.17–0.51)
21 8211 0.37
(0.23–0.58)
−0.22 −0.08
 South 46 7694 0.70
(0.51–0.96)
54 8192 0.79
(0.59–1.00)
−0.11 −0.09
 Central-West 15 4867 0.63
(0.31–1.30)
14 5697 0.38
(0.17–0.85)
0.66 0.25
Educational level
 Incomplete primary school 6 1574 0.72
(0.29–1.80)
12 2341 0.63
(0.30–1.30)
0.14 0.09
 Incomplete secondary school 42 8420 0.61
(0.41–0.90)
60 10,909 0.68
(0.49–0.94)
−0.10 −0.07
 Incomplete post-secondary school 22 8442 0.22
(0.13–0.38)
30 10,235 0.28
(0.18–0.44)
−0.21 −0.06
 ≥ Complete post-secondary school 20 10,792 0.21
(0.12–0.38)
23 12,403 0.21
(0.13–0.36)
0.00 0.00
Race/colour
 White 36 11,078 0.30
(0.20–0.45)
44 12,371 0.33
(0.23–0.48)
−0.09 −0.03
 Black 19 2993 0.83
(0.48–1.40)
27 3851 0.80
(0.49–1.3)
0.04 0.03
 Asian 2 456 0.96
(0.24–3.8)
3 560 0.94
(0.28–3.10)
0.02 0.02
 Mixed (Pardo) 30 14,132 0.24
(0.15–0.38)
48 18,304 0.29
(0.20–0.42)
−0.17 −0.05
 Indigenous 1 270 0.48
(0.07–3.30)
1 445 0.34
(0.05–2.40)
−0.41 −0.14