Neonatal and postneonatal mortality by maternal education--a population-based study of trends in the Nordic countries, 1981-2000.


BACKGROUND This study examined changes in the educational gradients in neonatal and postneonatal mortality over a 20-year period in the four largest Nordic countries. METHODS The study populations were all live-born singleton infants with gestational age of at least 22 weeks from 1981 to 2000 (Finland 1987-2000). Information on births and infant deaths… (More)