Table 1.
Characteristics of the study participants by year and recent fever history
| Characteristic | 2017 Febrile |
2018 Febrile |
2018 Afebrile |
Total (%) |
|---|---|---|---|---|
| Participants, n (%) | 554 (51.6) | 348 (32.4) | 172 (16.0) | 1074 (100) |
| Age (years), mean (SD) | 27.4 (18.3) | 29.1 (18.6) | 46.4 (23.5) | 31.0 (20.5) |
| Last episode of fever, n (%) | Not applicable | |||
| Day 0 | 84 (15.3) | 141 (40.8) | 225 (21.1) | |
| 1–7 days | 315 (57.2) | 173 (50.0) | 488 (45.7) | |
| 8–14 days | 151 (27.4) | 32 (9.2) | 183 (17.1) | |
| Known relative with fever, n (%) | ||||
| No | 296 (54.5) | 248 (71.5) | 138 (82.6) | 682 (64.5) |
| At home | 173 (31.9) | 91 (26.2) | 20 (12.0) | 284 (26.9) |
| Neighborhood | 74 (13.6) | 8 (2.3) | 10 (6.0) | 92 (8.7) |
| Preventive practices, n (%) | ||||
| Bed net | 255 (48.2) | 234 (70.5) | 95 (78.5) | 584 (59.5) |
| Insecticide (spray) | 24 (4.5) | 16 (4.8) | 19 (15.7) | 59 (6.0) |
| Window screen | 2 (0.4) | 0 | 0 | 2 (0.2) |
| Fumigation | 215 (40.6) | 91 (27.4) | 32 (26.4) | 338 (34.4) |
| Mosquito repellent | 1 (0.2) | 0 | 2 (1.7) | 3 (0.3) |
| Chemoprophylaxis | 1 (0.2) | 0 | 0 | 1 (0.1) |
| Positive, n (%) | ||||
| Nested PCR | 81 (14.6) | 5 (1.4) | 3 (1.7) | 89 (8.3) |
| Microscopy | 47 (8.5) | 4 (1.1) | 0 | 51 (4.7) |
| RDT Pan | 54 (9.7) | 2 (0.6) | 0 | 56 (5.2) |
| RDT Pf | 76 (13.7) | 5 (1.4) | 0 | 81 (7.5) |
| PURE-LAMP Pan | 90 (16.2) | 5 (1.4) | 3 (1.7) | 98 (9.1) |
| PURE-LAMP Pf | 88 (15.9) | 5 (1.4) | 3 (1.7) | 96 (8.9) |
RDT Pan rapid diagnostic test band to detect Plasmodium lactodehydrogenase, RDT Pf band for detection of P. falciparum-specific histidine rich protein II, PURE-LAMP procedure for ultra-rapid extraction loop-mediated isothermal amplification, Pan tubes for diagnosis of Plasmodium genus, Pf P. falciparum-specific tubes