Table 1 HIV Prevalence by demographic characteristics among adolescents aged 12–19 years from the 2008, 2012 and 2017 surveys, South Africa

2892 (3.0)

2.1–4.2

4829 (3.2)

2.5–4.0

3937 (4.1)

3.3–5.0

0.031

964 (1.1)

0.5–2.4

1712 (3.2)

2.0–5.0

1564 (2.4)

1.6–3.4

0.044

1928 (4.4)

3.0–6.5

3117 (3.2)

2.4–4.1

2373 (6.5)

4.1–6.7

0.103

1391 (1.8)

0.7–4.5

2377 (1.6)

0.9–2.7

1869 (4.5)

2.4–4.9

 < 0.001

1501 (4.2)

3.2–5.7

2452 (4.7)

3.7–6.1

2068 (5.7)

3.7–5.9

0.816

1785 (3.6)

2.5–5.1

3400 (3.8)

3.0–4.7

2915 (5.1)

3.7–5.6

0.361

232 (0.1)

0.0–0.4

183 (0.0)

–

101 (0.4)

0.8–11.6

0.047

642 (0.6)

0.1–3.1

919 (0.3)

0.1–1.2

740 (3.1)

0.3–1.5

0.474

230 (0.0)

0.0–0.1

322 (0.1)

0.0–0.7

181 (0.1)

–

0.535

2023 (3.2)

1.9–5.3

2886 (2.5)

1.7–3.6

2275 (5.3)

3.1–5.4

0.058

869 (2.7)

1.8–4.0

1943 (3.9)

2.9–5.2

1662 (4.0)

3.1–5.4

0.600

434 (0.6)

0.2–2.0

489 (0.9)

0.3–2.8

444 (2.0)

1.4–5.5

0.083

418 (3.5)

1.9–6.6

736 (1.9)

1.0–3.7

445 (6.6)

2.7–8.3

0.423

214 (1.2)

0.4–3.2

392 (2.1)

0.6–7.0

311 (3.2)

0.5–3.4

0.642

178 (2.3)

0.4–12.7

287 (2.0)

1.0–4.2

310 (12)

2.3–7.0

0.028

495 (2.8)

1.7–4.8

1165 (5.8)

4.1–8.1

813 (4.8)

3.0–6.7

0.644

229 (2.1)

0.7–6.3

331 (3.5)

1.7–7.3

343 (6.3)

1.4–5.3

0.495

431 (4.4)

1.6–11.2

481 (2.6)

1.3–5.3

489 (11)

2.7–7.9

0.785

221 (4.4)

2.5–7.4

456 (4.3)

2.4–7.5

386 (7.4)

3.8–10.6

0.842

272 (2.5)

1.1–5.9

492 (2.4)

1.1–5.3

396 (5.9)

1.3–4.1

0.977

633 (5.1)

3.4–7.7

1071 (5.9)

3.8–8.9

863 (7.7)

6.3–11.5

0.435

1971 (2.2)

1.2–4.0

2778 (1.8)

1.3–2.6

2718 (4.0)

1.9–3.5

0.025

2274 (2.4)

1.5–3.9

4193 (2.8)

2.1–3.6

3256 (3.9)

2.9–4.5

0.060

259 (9.0)

5.6–14.1

446 (8.5)

5.3–13.3

361 (14)

6.7–15.8

0.713

110 (2.3)

0.7–7.2

121 (2.5)

0.9–6.7

60 (7.2)

0.0–1.6

0.903