Number of cities, schools, teachers and children taking part in the intervention and the evaluation sample population completing pre and postintervention questionnaires
| Parameter (values at start of intervention) | Region North | North-east | Centre-West | South-east | South | ALL regions |
|---|---|---|---|---|---|---|
| Intervention population | ||||||
| Number of cities | 1 | 4 | 2 | 3 | 2 | 12 |
| Number of schools | 11 | 40 | 19 | 33 | 25 | 128 |
| Number of teachers | 23 | 79 | 35 | 64 | 48 | 249 |
| Number of children | 374 | 1209 | 557 | 893 | 661 | 3694 |
| Evaluation subpopulation | ||||||
| Number of cities | 1 | 4 | 2 | 3 | 2 | 12 |
| Number of schools | 11 | 18 | 5 | 14 | 16 | 64 |
| Gender*; % boys/% girls | 48.7/51.3 | 51.1/48.9 | 51.4/48.6 | 61.0/39.0 | 51.7/48.3 | 52.7/47.3 |
| Age of children*; mean, years (SD) | 11.0 (1.2) | 11.3 (1.0) | 11.6 (1.5) | 10.8 (1.0) | 9.2 (1.0) | 10.6 (1.4) |
| Prequestionnaires (number of children) | 310 | 494 | 146 | 338 | 412 | 1700 |
| Postquestionnaires (number of children) | 310 | 458 | 118 | 269 | 400 | 1555 |
*As recorded at the start of the intervention.