A School Meals Program Implemented at Scale in Ghana Increases Height-for-Age during Midchildhood in Girls and in Children from Poor Households: A Cluster Randomized Trial.

J Nutr · 2019 · PMC6686055 · PMID 31100125

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The study also found a negative effect of school meals on boys aged 9–15 y, although the result was at the margin of statistical significance ( P = 0.05) and was not confirmed in the robustness analysis, suggesting this finding was of a spurious nature.

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