Table 2.
Malaria infection prevalence as measured through RDTs during each round of MTAT
| District | Health facility catchment area | June–July 2012 | August–September 2012 | October–November 2012 | June–July 2013 | Absolute % change between June 2012 and June 2013 | Relative % change between June 2012 and June 2013 | Chi-square (P value) |
|---|---|---|---|---|---|---|---|---|
| Gwembe | Bbondo | 9.2% (7.9–10.9%) | 2.2% (1.7–2.8%) | 1.0% (0.7–1.4%) | 3.5% (2.9–4.2%) | −5.8% | −62.3% | 68.82 (< 0.001) |
| Chaambwe | 11.0% (8.9–13.7%) | 3.9% (3.2–4.7%) | 2.2% (1.7–2.8%) | 5.8% (5.1–6.7%) | −5.2% | −47.1% | 23.29 (< 0.001) | |
| Chabbobboma | 41.5% (40.5–42.6%) | 19.5% (18.5–20.5%) | 17.3% (16.5–18.2%) | 44.6% (43.5–45.8%) | +3.1% | +7.4% | 14.70 (< 0.001) | |
| Chipepo | 34.5% (32.6–36.4%) | 17.7% (16.0–19.6%) | 17.1% (15.7–18.7%) | 35.7% (34.9–37.5%) | +1.3% | +3.7% | 0.92 (0.338) | |
| Chisanga | 29.5% (27.4–31.8%) | 16.8% (14.8–19.1%) | 13.2% (11.2–15.6%) | NO DATA | NA | N/A | N/A | |
| Gwembe | 1.4% (1.0–2.0%) | 0.7% (0.5–1.2%) | 0.4% (0.2–0.7%) | 1.4% (1.0–2.0%) | 0.0% | 1.1% | 0.002 (0.965) | |
| Lukonde | 2.0% (1.5–2.7%) | 0.5% (0.3–0.9%) | 0.5% (0.3–0.9%) | 1.3 (1.0–1.8%) | −0.7% | −33.6% | 3.43 (0.064) | |
| Luumbo | 42.3% (38.7–45.9%) | 27.2% (25.8–28.7%) | 20.3% (19.0–21.6%) | 41.4% (40.0–42.8%) | −0.9% | −2.1% | 0.20 (0.654) | |
| Munyumbwe | 27.3% (26.3–28.4%) | 10.7% (10.0–11.5%) | 7.5% (6.9–8.1%) | 16.4% (15.5–17.3%) | −10.9% | −40.1% | 227.16 (< 0.001) | |
| Sinafala | 46.2% (44.7–47.8%) | 18.7% (17.4–20.0%) | 14.7% (13.6–15.8%) | 40.9% (39.4–42.4%) | −5.3% | −11.5% | 23.08 (< 0.001) | |
| Kalomo | Mapatizya | 5.2% (4.6–5.9%) | 4.1% (3.6–4.6%) | 2.2% (1.8–2.5%) | 3.4% (3.0–3.9%) | −1.8% | −34.87% | 24.19 (< 0.001) |
| Siavonga | Chipepo | 3.4% (3.0–3.8%) | 1.4% (1.1–1.7%) | 1.1% (0.9–1.4%) | 3.7% (3.3–4.2%) | +0.4% | +10.68% | 1.53 (0.216) |
| Kapululira | 2.8% (2.1–3.7%) | 3.3% (2.6–4.0%) | 0.9% (0.6–1.4%) | 3.3% (2.6–4.1%) | +0.5% | +17.3% | 0.82 (0.365) | |
| Lusitu | 3.3% (2.8–3.8%) | 1.7% (1.4–2.2%) | 1.4% (1.1–1.7%) | 4.7% (4.1–5.4%) | +1.4% | +42.4% | 11.93 (0.001) | |
| Mtendere | 5.8% (5.4–6.3%) | 3.4% (3.1–3.8%) | 2.4% (2.0–2.7%) | 6.2% (5.7–6.8%) | +0.4% | +6.4% | 1.07 (0.300) | |
| Sinazongwe | Chiyabi | 47.0% (45.1–48.8%) | 27.9% (26.3–29.5%) | 21.1% (19.5–22.7%) | 43.6% (42.0–45.2%) | −3.3% | −7.1% | 7.20 (0.007) |
| Sinamalima | 49.2% (48.3–50.2%) | 25.3% (24.5–26.2%) | 18.5% (17.8–19.2%) | 33.3% (32.4–34.2%) | −15.9% | −32.4% | 560.14 (< 0.001) | |
| Sulwegonde | 28.6% (27.1–30.0%) | 7.5% (6.7–8.4%) | 4.9% (4.2–5.6%) | 25.6% (24.3–27.0%) | −2.9% | −10.3% | 8.57 (0.003) | |
| Totals | 23.2% (13.3–37.2%) | 10.9% (6.3–18.3%) | 8.5% (4.9–14.4%) | 20.9% (13.3–31.2%) | −2.2% | −9.69% | 0.70 (0.413) |
RDTs = rapid diagnostic tests; MTAT = mass test and treatment.
*
Total statistics account for facility level clustering.