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Table 4 HIV positivity rate in community members aged 15–49 years using HTC services per community, Trident project area, 2012–2015

From: Experience and lessons from health impact assessment guiding prevention and control of HIV/AIDS in a copper mine project, northwestern Zambia

Community

2012

2013

2014

2015

 

n

% (95% CI)a

n

% (95% CI)a

n

% (95% CI)a

n

% (95% CI)a

Kankonzhi

117

4.3 (1.4–9.6)

390

1.8 (0.7–3.6)

281

2.1 (0.7–4.5)

600

3.0 (1.7–4.6)

Wanyinwa

240

4.6 (2.3–8.0)

455

4.0 (2.3–6.1)

-

-

-

-

Musele

270

1.9 (0.6–4.2)

753

3.9 (2.5–5.4)

347

1.7 (0.6–3.7)

1123

3.0 (1.7–4.6)

Chisasa

245

3.3 (1.4–6.3)

621

3.4 (2.1–5.1)

474

3.6 (2.1–5.6)

1193

5.0 (3.8–6.4)

Chovwe

74

1.4 (0.0–7.3)

311

2.3 (0.9–4.5)

156

4.5 (1.8–9.0)

563

4.3 (2.7–6.2)

Muzangezhi

57

0.0 (.-.)

-

-

-

-

226

1.7 (0.4–4.4)

Watambo

-

-

288

3.5 (1.6–6.2)

-

-

220

0.5 (0.0–2.5)

Northern Resettlement

-

-

-

-

255

3.5 (1.6–6.5)

415

5.1 (3.1–7.6)

Kalumbila Town

-

-

-

-

340

5.0 (2.9–7.8)

471

3.8 (2.2–5.9)

Shenengene

-

-

-

-

-

-

425

2.1 (0.9–3.9)

Kanzanji

-

-

-

-

-

-

230

4.8 (2.4–8.3)

Jiundu

-

-

-

-

-

-

336

0.6 (0.0–2.1)

Kambishi

-

-

-

-

-

-

162

1.2 (0.1–4.3)

Overall

1003

3.0 (2.0–4.2)

2818

3.3 (2.6–3.9)

1853

3.4 (2.5–4.2)

5964

3.4 (2.9–3.9)

  1. CI, confidence interval; -, no data available
  2. aSamples of individual years are non-independent due to repeat testers (although not all repeat testers necessarily tested more than once in the HTC offered by FQML) leading to a too narrow CI estimate