G6PD and G6PD deficiency: Independent of maternal, obstetric and neonatal risk factors, G6PD deficiency hemizygotes or homozygotes had an adjusted Hazard Ratio (AHR) of 4.78 (95%CI:3.35–6.84; P<0.001) for developing NH in the first week of life compared to G6PD wild type genotypes (Table 2, and S2 Table).