Table 3.
Effects of daily iron administration (≤15 mg/day) to children 6–23 months on growth and mental and development outcomes 1.
| Variables | Mean Difference 2 | Relative Risk | Studies, Participants (n) | I2 (%) | p Difference between Pooled Intervention and Control Groups |
|---|---|---|---|---|---|
| Growth | |||||
| WAZ | −0.01 (−0.08; 0.05) | 10, 3511 | 12.5 | 0.69 | |
| WHZ | 0.02 (−0.06; 0.09) | 9, 3297 | 36.8 | 0.62 | |
| HAZ | −0.02 (−0.08; 0.04) | 10, 3511 | 8.2 | 0.57 | |
| Stunting | 1.09 (0.92; 1.29) | 4, 2159 | 0 | 0.33 | |
| Wasting | 1.11 (0.84; 1.47) | 4, 1975 | 0 | 0.45 | |
| Mental and motor development | |||||
| MDI | 0.4 (−0.9; 1.7) | 4, 1062 | 19.9 | 0.60 | |
| PDI | 0.6 (−1.2; 2.4) | 4, 1062 | 61.9 | 0.50 | |
1 HAZ, height for age z-score; MDI, Bayley mental development index; PDI, Bayley psychomotor development index; WAZ, weight for age z-score; WHZ, weight for height z-score; 2 95% CI in parenthesis.