[In search for explanatory factors in the relationship between educational level and mortality.].

Objective: The connection between socioeconomic status and mortality is well known in Western countries. Educational level has frequently been used as a socioeconomic indicator. In a recent Icelandic prospective study, an inverse relationship between educational level and mortality was shown.

[The relationship between educational level, physical activity and mortality.].

Objectives: The relationship between educational level and mortality is well known. This has been shown in the Reykjavik Study and was only partly accounted for by unequal distribution of known risk factors. The objective of the present study was to explore the relationship between educational level and physical activity and whether that relationship could partly explain differences in mortality.