Table 2.
Zones | Baseline study | First follow up | Second follow up | Third follow up | ||||
---|---|---|---|---|---|---|---|---|
Number tested | +ve n (%) | Number tested | +ve n (%) | Number tested | +ve n (%) | Number tested | +ve n (%) | |
Riverine | 763 | 174 (22.8) | 560 | 35 (6.5) | 594 | 68 (11.4) | 582 | 74 (12.7) |
Lowland | 442 | 1 (0.2) | 396 | 0 | 319 | 2 (0.6) | 321 | 1 (0.3) |
Highland | 284 | 0 | 256 | 0 | 224 | 0 | 257 | 5 (1.9) |
Midland | 179 | 0 | 160 | 0 | 141 | 0 | 131 | 0 |
Total | 1668 | 175 (10.5) | 1372 | 35 (2.6) | 1278 | 70 (5.5) | 1291 | 80 (6.2) |
Fisher’s exact test = 0.005