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Fig. 2 | Trials

Fig. 2

From: Effects of school-based physical activity and multi-micronutrient supplementation intervention on growth, health and well-being of schoolchildren in three African countries: the KaziAfya cluster randomised controlled trial protocol with a 2 × 2 factorial design

Fig. 2

Assignment of classes to conditions via stratification to ensure that each intervention arm is represented at each grade across all schools (Note. PA = physical activity; MMNS = multi-micronutrient supplementation)

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