Exploratory analyses
Results of the per‐protocol analysis limiting the analysis to women with high adherence to supplementation (i.e., added supplements to their foods >70% of days during follow‐up) did not differ from those of the main analysis (results not shown). Regarding effect modification, there were some significant interactions between intervention group and certain baseline characteristics, such as maternal age in Ghana and household toilet facility in Malawi, but there were no clear or consistent patterns across time intervals. Given the number of interactions examined, these few significant 