Table 2. Population characteristics at baseline.
| Placebo | UltraRice_original | UltraRice_improved | Nutririce | |
|---|---|---|---|---|
| N (male %) | 492 (49.9%) | 479 (49.6%) | 500 (49.8%) | 506 (50.8%) |
| Age (mean ± SD) | 9.58 ± 2.27 | 9.61 ± 2.19 | 9.64 ± 2.22 | 9.71 ± 2.42 |
| Hookworm infection n/N (%) | 74/354 (20.9%) | 82/362 (22.7%) | 67/364 (18.4%) | 36/316 (11.5%) |
| Range of baseline hookworm prevalence at schools | 8.0–37.6% | 0–48.1% | 5.1–33.3% | 4.8–26.9% |
| Hookworm infection intensity n | ||||
| -Light | 70 | 81 | 65 | 36 |
| -Moderate | 4 | 1 | 2 | 0 |
| -Heavy | 0 | 0 | 0 | 0 |
| Calprotectin N | 124 | 117 | 123 | Na |
| Calprotectin median (IQR) | 22.7 (21.2 to 26.3) | 22.7 (20.2 to 26.9) | 21.7 (20.3 to 26.3) | Na |
| Calprotectin high n (>50mg/kg) | 13 (10.5%) | 7 (6%) | 13 (10.6%) | Na |