Vitamin D deficiency mediates the relationship between dietary patterns and depression: a case-control study

Annals of General Psychiatry
Gity SotoudehMaryam Khosravi

Abstract

Depression is a major contributor to disability-adjusted life years (DALY) lost in the world. Dietary patterns are widely used to investigate diet-disease relations. In the current study, the relationship between dietary patterns and depression was investigated. Besides, the role of serum vitamin D, zinc, magnesium, and total antioxidant capacity as potential mediatory variables was studied. It was an individually matched case-control study in which 330 depressed and healthy subjects were recruited for the extraction of dietary patterns; psychiatrists diagnosed major depressive disorder, using the criteria of the Diagnostic and Statistical Manual of Mental Disorders. Serum vitamin D and aforementioned biomarkers were measured for a number of randomly selected depressed and healthy individuals. We conducted mediatory analysis by regression models. Healthy and unhealthy dietary patterns were associated with the lower and higher odds of depression (OR 0.39, CI 0.17-0.92 and OR 2.6, CI 1.04-6.08), respectively. A significant relationship between serum vitamin D with depression after adjusting for potential confounders was observed as well (OR 0.93, CI 0.87-0.99). According to the mediatory analysis the unhealthy dietary patterns we...Continue Reading

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Citations

Aug 11, 2021·Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia·Ali Mohammadkhanizadeh, Farnaz Nikbakht

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