BW, LBW, GA at birth, preterm, SGA, Hb, anemia, length, length‐for‐age z‐score, stunting, weight‐for‐age z‐score, underweight, weight‐for‐length z‐score, wasting, BMI z‐score, thinness, ponderal index, head, chest, waist, hip circumferences, MUAC, biceps, and triceps skinfold. This evidence concerns the gene GSTM1 and anemia (phenotype).