In that trial Hb concentrations and the prevalence of anemia were reported; therefore, we examined pooled main effects on those 2 outcomes both without and with that trial, by calculating Hedges’ g (50) based on endline values extracted from the published report. Table 1 provides an overview of each trial included in the IPD analysis; Supplemental Table 1 provides additional details. Here, GSTM1 is linked to anemia (phenotype).