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. 2017 Oct 5;12(10):e0184775. doi: 10.1371/journal.pone.0184775

Table 1. HIV prevalence and demographic characteristics by HIV status for female soweto-based sex workers, including raw percentages and adjusted population level prevalence with 95% confidence intervals for both univariate and bivariate analysis showing row percentage.

Variable (n = 508) OVERALL HIV + HIV -
Raw n (%) RDS Adjusted % (95% CI) Raw n (%) RDS Adjusted % (95% CI) Raw n (%) RDS Adjusted % (95% CI)
HIV prevalence
   HIV-infected 280 (55.1) 53.6 (47.5–59.9) - - - -
   HIV-negative 228 (44.9) 46.4 (40.4–52.4) - - - -
Age
    18–24 124 (24.4) 23.5 (18.5–29.1) 41 (33.1) 28.8 (19.0–29.0) 83 (66.9) 71.2 (61.0–81.1)
    25–29 114 (22.4) 20.9 (16.2–25.7) 57 (50.00) 48.7 (35.0–60.2) 57 (50.0) 51.3 (39.6–64.1)
    ≥30 270 (53.2) 55.6 (49.2–61.9) 182 (67.4) 65.6 (57.7–73.7) 88 (32.5) 34.4 (26.6–42.1)
Home language
    Zulu 274 (53.9) 52.3 (46–59.5) 156 (56.9) 54.7 (47.0–63.3) 118 (43.1) 45.3 (36.8–53.7)
    Sotho 131 (25.8) 26.7 (20.5–32.5) 70 (53.4) 51.1 (40.2–63.2) 61 (46.6) 48.9 (36.4–60.3)
    Other 103 (25.8) 21 (15.9–26.2) 54 (52.4) 54.5 (40.5–67.1) 49 (47.6) 45.5 (33.0–58.8)
Place of birth
    Gauteng 346 (68.1) 71.6 (64.6–77.2) 172 (49.7) 46.9 (40.2–54.1) 174 (50.3) 53.1 (45.5–60.0)
    Other (includes cross-border migrants) 162 (31.9) 28.5 (22.7–35.4) 108 (66.7) 70.6 (60.9–78.6) 54 (33.3) 29.4 (21.2–39.0)
Education
    Incomplete schooling 384 (75.6) 74.2 (69.2–79.9) 234 (60.9) 60.1 (53.8–66.6) 150 (39.1) 39.9 (33.2–46.4)
    Secondary complete/some tertiary 124 (24.4) 25.8 (20.4–30.9) 46 (37.1) 34.7 (23.2–47.0) 78 (62.9) 65.3 (53.1–76.7)
Number children
    No children 82 (16.1) 13.2 (9.8–17.1) 36 (43.9) 38.4 (25.3–54.3) 46 (56.1) 61.1 (45.8–75.4)
    One child 164 (32.3) 32.2 (27.0–37.9) 79 (48.2) 45.6 (36.4–56.8) 85 (51.8) 54.4 (43.1–63.9)
    Two children 153 (30.1) 33.5 (28.1–39.0) 93 (60.8) 59.8 (48.2–69.9) 60 (39.2) 40.2 (30.0–51.0)
    Three+ children 109 (21.5) 21.1 (16.8–25.6) 72 (66.1) 64.3 (53.4–75.0) 37 (33.9) 35.7 (24.7–46.8)