Table 2 Association between distribution of MPF within grids (size = 2 × 2 km2) over time interval (Asembo Bay, Kenya [24], sub-counties of Uganda [33] and Afigya-Sekyere Ghana [14]) in years and over consecutive cross-sectional surveys conducted over a span of 1 year (Saponé district, Burkina Faso [26])
From: Effect of transmission intensity on hotspots and micro-epidemiology of malaria in sub-Saharan Africa
Study Site | Interval between cluster (year) | Febrile Malaria | Asymptomatic Parasitaemia | ||
|---|---|---|---|---|---|
| Â | Â | Correlation (95%CI) | P-value | Correlation (95%CI) | P-value |
Asembo Bay | 1 | –0.09 (–0.26 to 0.09) | 0.3072 | 0.23 (0.08 to 0.36) | 0.003 |
2 | 0.14 (–0.04 to 0.31) | 0.1245 | 0.16 (0.01 to 0.31) | 0.0433 | |
3 | 0.16 (–0.08 to 0.38) | 0.1873 | 0.02 (–0.18 to 0.22) | 0.8512 | |
4 | 0.45 (0.11 to 0.70) | 0.0124 | 0.21 (–0.12 to 0.49) | 0.2041 | |
5 | 0.06 (–0.32 to 0.43) | 0.7726 | 0.45 (–0.13 to 0.80) | 0.1226 | |
Burkina Faso | Interval between clusters (surveys) | Â | Â | Â | Â |
1 | –0.07 (–0.21 to 0.08) | 0.3667 | 0.24 (0.10 to 0.36) | <0.001 | |
2 | 0.06 (–0.13 to 0.24) | 0.5359 | –0.09 (–0.25 to 0.08) | 0.293 | |
3 | 0.27 (0.01 to 0.50) | 0.0457 | 0.34 (0.11 to 0.53) | 0.0043 | |
Uganda | Interval between clusters (years) | Â | Â | Â | Â |
1 | 0.39 (0.27 to 0.50) | <0.001 | – | – | |
2 | 0.29 (0.13 to 0.44) | 0.001 | – | – | |
3 | 0.19 (–0.06 to 0.41) | 0.1332 | – | – | |
Ghana | Interval between clusters (years) | Â | Â | Â | Â |
1 | 0.26 (–0.03 to- 0.51) | 0.0756 | – | – | |
2 | 0.30 (–0.14 to 0.64) | 0.1757 | – | – | |