Table 1 Baseline population for all grades as of 2015 is shown, as well as the sample size, based on children whose parents gave consent to participation in the research project
Grades | 1 | 2 | 3 | 4 | 5 | 6 | Total |
|---|---|---|---|---|---|---|---|
Population | 457 | 484 | 457 | 462 | 461 | 496 | 2817 |
Sample | 351 | 381 | 370 | 389 | 381 | 425 | 2297 |
Intervention schools | 248 | 264 | 229 | 264 | 269 | 271 | 1545 |
Control schools | 103 | 117 | 141 | 125 | 112 | 154 | 752 |