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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Weight‐for‐age z‐score (WAZ) | 1 | 249 | Mean Difference (Random, 95% CI) | 0.57 [0.16, 0.98] |
| 2 Underweight (WAZ > 2 SD below reference median value) | 1 | 249 | Mean Difference (Random, 95% CI) | ‐6.70 [‐12.60, ‐0.80] |
