Folate deficiency has been implicated in the etiology of unipolar depression. In this study,
we attempted to cross-link plasma folate, depressive symptoms, and dietary quality (or
dietary intake of folate) together in a comprehensive framework, while examining effect
modification of those associations by sex. This was a cross-sectional, population-based
study of 1681 participants aged 30–64 y (Healthy Aging in Neighborhoods of Diversity
across the Lifespan Study). Participants were administered the Center for Epidemiologic …