Mental health symptoms associated with morbidity, not mortality, in an elderly community sample

Abstract

Purpose Six previous reviews have found a relationship between depression and mortality. However, many past studies have failed to adequately control for the role of physical health. A proposed mechanism of the depression- mortality relationship suggests that physical health may mediate the relationship. The present study used new methods to examine relationships between mental health symptoms and mortality in an elderly community cohort while accounting for potential mediation of these relationships by physical health. Method 896 community-dwelling participants aged 70-97 were assessed four times over 12 years and vital status was tracked for up to 17 years. Relationships of depression and ..