Table 1 General characteristics of study population, study sites and environmental factors
Characteristics | Study sites | Total, n (%) | ||
|---|---|---|---|---|
Maroua, n (%) | Nkolbisson, n (%) | Bamenda, n (%) | ||
Gender | ||||
Male | 64 (52) | 168 (53) | 33 (29) | 265 (48) |
Female | 60 (48) | 147 (47) | 79 (71) | 286 (52) |
Total | 124 | 315 | 112 | 551 |
Age group (years) | ||||
0–5 | 81 (65) | 180 (57) | 34 (30) | 295 (54) |
6–10 | 15 (12) | 86 (27) | 5 (4) | 106 (19) |
11–16 | 9 (7) | 49 (16) | 4 (4) | 62 (11) |
≥ 17 | 19 (15) | 0 (0) | 69 (61) | 88 (16) |
Environmental factors [10] | Maroua | Nkolbisson | Bamenda | |
|---|---|---|---|---|
Climate | Sahel | Tropical | Tropical | |
Average annual temperature (°C) | 28.3 | 23.7 | 21.5 | |
Average annual rainfall (mm) | 794 | 1643 | 2145 | |
Elevation (m) | 384 | 750 | 1614 | |
Weather condition at time of specimen collection | End of rainy season | Rainy season | Dry season |