highly significantP =1.8 × 10 −14
The association was highly significant for white mothers ( P =1.8 × 10 −14 ) and for non-white mothers ( P =1.5 × 10 −6 ; Table 1 ).
The association was highly significant for white mothers ( P =1.8 × 10 −14 ) and for non-white mothers ( P =1.5 × 10 −6 ; Table 1 ).