Table 1.
Demographic characteristics of the study populations.
| Gabon | Congo | Nigeria | Benin | |
|---|---|---|---|---|
| Total N | 534 | 917 | 466 | 120 |
| Age in years: | ||||
| Median (IQR) | 16 (6–25) | 15 (8–38) | * | 9 (5–13) |
| Age cohorts: | ||||
| 0–6 years, n (%) | 77 (14%) | 169 (18%) | - | 45 (38%) |
| 7–18 years, n (%) | 91 (17%) | 334 (36%) | - | 49 (41%) |
| 18+ years, n (%) | 134 (25%) | 412 (45%) | - | 26 (22%) |
| Missing data | 232 (43%) | 2 (0.2%) | 466 (100%) | - |
| Sex: | ||||
| Female | 258 (48%) | 514 (56%) | 75 (63%) | |
| Male | 154 (29%) | 403 (44%) | 45 (38%) | |
| Missing data: | 122 (23%) | - | 466 (100%) | - |
| Symptomatic: | * | 73/914 (8%) | 299 (64%) | 9 (8%) |
| Sampling period: | 2019–2020 | 2021 | 2018–2019 | 2019 |
| Number of study sites: | ||||
| 1 | Lambaréné 534 (100%) |
Goma Tsé-Tsé District 573 (62%) |
Awka 200 (43%) |
Kpomasse 68 (57%) |
| 2 | - | Brazzaville 344 (38%) |
Nnewi 167 (36%) |
Ouidah 52 (43%) |
| 3 | - | - | Onitsha 99 (21%) |
- |
| Measurements: | ||||
| TBS done, n (%) | 534 (100%) | 917 (100%) | not done | 120 (100%) |
| RDT done, n (%) | 532 (99.6%) | 917 (100%) | not available | not done |
| RDT brand: | Paracheck Pf RDT | Malaria P.f./Pan Antigen kit, Cypress Diagnostics | - | - |
* Data are missing. IQR: Interquartile range TBS: Thick blood smear microscopy, RDT: Malaria rapid diagnostic test.