Serum 25-Hydroxyvitamin D Levels and Depression in Older Adults: A Dose–Response Meta-Analysis of Prospective Cohort Studies

Objective The association between serum vitamin D and risk of depression in older adults is controversial. We performed a dose–response meta-analysis of prospective cohort studies to examine the association between serum 25-hydroxyvitamin D [25(OH)D] concentrations and the risk of depression in older population. Methods Studies published before February 2018 in the PubMed, Cochrane Library, Web of Science, PsycINFO, and EMBASE databases were...