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Association Between Serum 25-Hydroxyvitamin D And Depressive Symptoms In Japanese: Analysis By Survey Season, A. Nanri, T. Mizoue, Y. Matsushita, Kalpana Poudel-Tandukar, M. Sato, M. Ohta, N. Mishima
Association Between Serum 25-Hydroxyvitamin D And Depressive Symptoms In Japanese: Analysis By Survey Season, A. Nanri, T. Mizoue, Y. Matsushita, Kalpana Poudel-Tandukar, M. Sato, M. Ohta, N. Mishima
Kalpana Poudel-Tandukar
Both depressive symptoms and vitamin D insufficiency are common during winter. This study examined the association between serum 25-hydroxyvitamin D and depressive symptoms by survey season. Subjects were 527 municipal employees aged 21–67 years of two municipal offices in Japan. Overall, there was no measurable association. However, in the workplace surveyed in November, multivariate-adjusted odds ratios (95% confidence interval) of having depressive symptoms (Center for Epidemiologic Studies Depression score of X16) for the lowest through highest quartiles of serum 25-hydroxyvitamin D were 1.00 (reference), 0.84 (0.45–1.58), 0.83 (0.44–1.58) and 0.59 (0.30–1.15), respectively (trend P ¼ 0.14). The association with the …