Socioeconomic status and risk of infant death. A population-based study of trends in Norway, 1967-1998

Background The aim of this study was to examine the association between socioeconomic status and risk of infant death in Norway from 1967 to 1998. Methods Information from the Medical Birth Registry of Norway on all live births and infant deaths was linked to information from Statistics Norway on parents' education. There were 1 777 364 eligible live births and 15 517 infant deaths. Differences between education groups were estimated as risk...