Vitamin D and common mental disorders in mid-life: Cross-sectional and prospective findings.

Maddock J, Berry DJ, Geoffroy MC, Power C, Hyppönen E.
Source
Centre for Paediatric Epidemiology and Biostatistics, UCL Institute of Child Health, 30 Guilford Street, London WC1N 1EH, UK. Electronic address: Esta dirección de correo electrónico está protegida contra spambots. Usted necesita tener Javascript activado para poder verla..">Esta dirección de correo electrónico está protegida contra spambots. Usted necesita tener Javascript activado para poder verla..
Abstract
BACKGROUND & AIMS:
The relationship between vitamin D and common mental disorders (CMDs) remains unclear. We aimed to determine if behaviours affecting vitamin D concentrations differ between individuals with or without CMDs and evaluate, cross-sectionally and prospectively, the extent to which the association between 25(OH)D and CMDs are explained by these behaviours.


METHODS:
Data are from the 1958 British birth cohort (n = 7401). Behaviours were ascertained by questionnaire at age 45 years. CMDs (depression, anxiety, panic, phobia) were assessed using the Clinical Interview Schedule-Revised at 45 years and depression using Mental Health Inventory-5 at 50 years.
RESULTS:
Participants with CMDs at 45 years differed from others on some but not all vitamin D related behaviours. There were inverse, cross-sectional associations at 45 years of 25(OH)D with depression and panic, which persisted after adjustment for vitamin D related behaviours (OR = 0.57, 95% CI: 0.40,0.81 and OR = 0.33, 95% CI: 0.40,0.81, respectively). Association between 25(OH)D and subsequent (50 years) risk of depression was non-linear (p = 0.01), with lower risk for participants with 25(OH)D between 50 and 85 nmol/l compared with those with lower or higher concentrations.
CONCLUSION:
This study provides support for an association of low 25(OH)D concentrations with current and subsequent risk of depression in mid-adulthood.

 

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