In addition, RBP (SDE 0.08, p=.015), child age (SDE ‐0.12, p=.013) and sex (SDE ‐0.14, p=.006), and mother's anaemia (SDE ‐0.09, p=.014) also predicted child Hb concentration. This evidence concerns the gene GSTM1 and anemia (phenotype).