[Parents' education and infant mortality 1967-1998].

BACKGROUND We have examined the association between socioeconomic status and risk of infant death in Norway between 1967 and 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 educational-attainment groups were estimated as risk...