How Much of the Correlation Between Socioeconomic Status and Life Expectancy Results from Lifestyle Choice?
From the abstract
Mediation analysis is a statistical technique can be used in an attempt to shed some light on why a correlation between two variables might exist, by involving a third variable that might be causative. In today's open access paper, the correlation of interest is between socioeconomic status and life expectancy, or socioeconomic status and the state of late life health. Socioeconomic status is one of a number of linked traits well established to correlate with longevity, such as wealth, education
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