Campaign 1 | Campaign 2 | Campaign 3 | |
---|---|---|---|
Number of participants | 5,633 | 5,718 | 6,154 |
Mean age (years) | 24.4 | 23.9 | 23.0 |
Number (%) of females | 2,617 (46.5) | 2,664 (46.6) | 2,863 (46.5) |
Prevalence of P. falciparum infection (by microscopy), n (%) | |||
0- <5 | 689 (12.2) | 205 (3.6) | 193 (3.1) |
5-9 | 971 (17.2) | 318 (5.6) | 271 (4.4) |
10-14 | 841 (14.9) | 253 (4.4) | 218 (3.5) |
≥15 | 1,080 (19.1) | 294 (5.1) | 230 (3.7) |
Overall | 3,581 (63.6) | 1,070 (18.7) | 912 (14.8) |
Prevalence of P. falciparum infection (by HRP-2 test), n (%) | |||
0- <5 | 606 (10.8) | 238 (4.1) | 86 (1.4) |
5-9 | 734 (13.0) | 175 (3.0) | 52 (0.8) |
10-14 | 674 (12.0) | 114 (2.0) | 49 (0.8) |
≥15 | 1,060 (18.8) | 336 (5.9) | 190 (3.1) |
Overall | 3,074 (54.6) | 863 (15.1) | 377 (6.1) |
Frequency of P. falciparum infection by density cut-offs (parasites/μl), n (%) | |||
1-99 | 798 (22.3) | 272 (25.4) | 258 (28.3) |
100-499 | 1,013 (28.3) | 370 (34.6) | 301 (33.0) |
500-999 | 599 (16.7) | 182 (17.0) | 148 (16.2) |
1,000-4,999 | 877 (24.5) | 199 (18.6) | 165 (18.1) |
≥5,000 | 294 (8.2) | 47 (4.4) | 40 (4.4) |
Overall | 3,581 (100.0) | 1,070 (100.0) | 912 (100.0) |
Geometric mean P. falciparum density in positives by age (parasites/μl) | |||
0- <5 | 1,348 | 702 | 756 |
5-9 | 795 | 482 | 387 |
10-14 | 406 | 273 | 241 |
≥15 | 168 | 127 | 111 |
Overall | 470 | 315 | 291 |