Table 1.
Distribution of the study population according to the sampling site.
| Sites | N | % |
|---|---|---|
| Subgroup 1 (n = 236) | ||
| EPP LES PETITS∗ | 124 | 52.5 |
| CMA∗∗ | 67 | 28.4 |
| PMI∗∗∗ | 45 | 19.1 |
| S/total | 236 | 100.0 |
|
| ||
| Subgroup 2 (n = 100) | ||
| Hematology department, CHU T | 100 | 100 |
| S/total | 100 | 100.0 |
| Total | 336 | 100 |
Chi-square = 0; 12 ddl = 1; p=0.72; there is no statistically significant difference in 2 subgroups. ∗EPP LES PETITS, Ecole Primaire Privée LES PETITS (private primary school). ∗∗CMA, ‘'Collège Moderne de l'Autoroute (modern secondary school). ∗∗∗PMI, Protection Maternelle et Infantile (maternal and child protection health center). Hematology department, CHU T, Service d'hématologie, Center Hospitalo-universitaires de Treichville (University Hospital of Treichville).