Caroline Collin1, Karen E Assmann2, Mélanie Deschasaux1, Valentina A Andreeva1, Cédric Lemogne3,4,5, Nathalie Charnaux6, Angela Sutton6, Serge Hercberg1,7, Pilar Galan1, Mathilde Touvier1, Emmanuelle Kesse-Guyot1. 1. Equipe de Recherche en Epidémiologie Nutritionnelle (EREN), Centre d'Epidémiologie et Statistiques Sorbonne Paris Cité, Inserm (U1153), Inra (U1125), Cnam, COMUE Sorbonne Paris Cité, SMBH Université Paris 13, 74 rue Marcel Cachin, 93017, Bobigny, France. 2. Equipe de Recherche en Epidémiologie Nutritionnelle (EREN), Centre d'Epidémiologie et Statistiques Sorbonne Paris Cité, Inserm (U1153), Inra (U1125), Cnam, COMUE Sorbonne Paris Cité, SMBH Université Paris 13, 74 rue Marcel Cachin, 93017, Bobigny, France. k.assmann@eren.smbh.univ-paris13.fr. 3. Faculté de Médecine, Sorbonne Paris Cité, Université Paris Descartes, Paris, France. 4. Service de Psychiatrie de l'adulte et du sujet âgé, AP-HP, Hôpitaux Universitaires Paris Ouest, Paris, France. 5. Centre Psychiatrie et Neurosciences, Inserm, U894, Paris, France. 6. Département de Biochimie, Inserm U698, Hôpital Jean Verdier, Université Paris 13, Bondy, France. 7. Département de Santé Publique, Hôpital Avicenne, Bobigny, France.
Abstract
PURPOSE: Depression is a major public health issue because it is a common cause of disability worldwide. It has been suggested that an optimal vitamin D status may be related to fewer depressive symptoms, but findings are inconsistent. We aimed to investigate the association between plasma vitamin D at midlife and recurrent depressive symptoms and to test for a modulating effect by overall dietary quality. METHODS: The relationship between plasma 25-hydroxyvitamin D (25(OH)D) and recurrent depressive symptoms was evaluated among 1196 participants of the Supplémentation en Vitamines et Minéraux Antioxydants cohort with available data on the Center for Epidemiologic Studies-Depression Scale (CES-D) at baseline (1996-1997) and follow-up (2007-2009). Recurrent depressive symptoms were defined as a CES-D score ≥16 at baseline and follow-up. Prevalence ratios (PR) and 95 % confidence intervals (95 %-CI) were estimated using extensively adjusted Poisson regression models. Dietary quality was estimated using an index measuring adherence to the French national recommendations. RESULTS: Having 25(OH)D concentrations above 10 ng/mL was related to a lower probability of recurrent depressive symptoms: PR (95 %-CI) = 0.48 (0.33; 0.69); P < 0.0001). When comparing individuals with concentrations < versus ≥20 or < versus ≥30 ng/mL, no significant results were obtained. In contrast, among individuals with low dietary quality, a better vitamin D status was related to a lower probability of recurrent depressive symptoms independently of the applied cutoff. CONCLUSIONS: Plasma vitamin D might have a preventive role against recurrent depressive symptoms, notably among individuals with poor dietary quality. Our findings are relevant for the development of depression prevention programs.
PURPOSE:Depression is a major public health issue because it is a common cause of disability worldwide. It has been suggested that an optimal vitamin D status may be related to fewer depressive symptoms, but findings are inconsistent. We aimed to investigate the association between plasma vitamin D at midlife and recurrent depressive symptoms and to test for a modulating effect by overall dietary quality. METHODS: The relationship between plasma 25-hydroxyvitamin D (25(OH)D) and recurrent depressive symptoms was evaluated among 1196 participants of the Supplémentation en Vitamines et Minéraux Antioxydants cohort with available data on the Center for Epidemiologic Studies-Depression Scale (CES-D) at baseline (1996-1997) and follow-up (2007-2009). Recurrent depressive symptoms were defined as a CES-D score ≥16 at baseline and follow-up. Prevalence ratios (PR) and 95 % confidence intervals (95 %-CI) were estimated using extensively adjusted Poisson regression models. Dietary quality was estimated using an index measuring adherence to the French national recommendations. RESULTS: Having 25(OH)D concentrations above 10 ng/mL was related to a lower probability of recurrent depressive symptoms: PR (95 %-CI) = 0.48 (0.33; 0.69); P < 0.0001). When comparing individuals with concentrations < versus ≥20 or < versus ≥30 ng/mL, no significant results were obtained. In contrast, among individuals with low dietary quality, a better vitamin D status was related to a lower probability of recurrent depressive symptoms independently of the applied cutoff. CONCLUSIONS: Plasma vitamin D might have a preventive role against recurrent depressive symptoms, notably among individuals with poor dietary quality. Our findings are relevant for the development of depression prevention programs.
Entities:
Keywords:
Depression; Diet; Mental health; Vitamin D
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