Table 1. Baseline characteristics of the two intervention groups.
| Characteristic | Non-snack Schools (n = 689) (%) | Snack Schools (n = 595) (%) | χ2a | p-Value |
| Age group | ||||
| 7–11 years | 291 (42.2) | 310 (52.1) | 1.981 | 0.16 |
| 12–16 years | 398 (57.8) | 285 (47.9) | — | — |
| Sex | ||||
| Female | 343 (49.8) | 296 (49.8) | 0.00003 | 0.99 |
| Male | 346 (50.2) | 299 (50.3) | — | — |
| Distance from area of residence to the lake | ||||
| ≤5 km | 330 (47.9) | 284 (47.7) | 0.0035 | 0.98 |
| >5 km | 359 (52.1) | 311 (52.3) | — | — |
| Knowledge of schistosomiasis prevention | ||||
| Yes | 595 (86.4) | 500 (84.0) | 0.2179 | 0.64 |
| No | 94 (13.6) | 95 (16.0) | — | — |
a
Adjusted for cluster design effect.