Mild anemiaLBW (maternal anemia vs. no anemia)RR = 1.07 (95% CI: 0.96–1.19, p = not reported)SGARR = 1.07 (95% CI: 0.99–1.15, p = not reported)Moderate anemiaLBWRR = 1.02 (95% CI: 0.81–1.29, p = not reported)SGARR = 1.12 (95% CI: 0.96–1.30, p = not reported)High Hb levelLBWRR = 1.13 (95% CI: 0.96–1.34, p = not reported)SGARR = 1.02 (95% CI: 0.90–1.16, p = not reported). Here, GSTM1 is linked to anemia (phenotype).