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1. Association of serum 25-hydroxyvitamin D with influenza in case-control study nested in a cohort of Japanese employees

Author:
Akiko Nanri; Kengo Nakamoto; Nobuaki Sakamoto; Teppei Imai; Shamima Akter; Daisuke Nonaka; Tetsuya Mizoue
Source:
Clinical nutrition 2017 v.36 no.5 pp. 1288-1293
ISSN:
0261-5614
Subject:
blood serum; business enterprises; case-control studies; confidence interval; human resources; influenza; odds ratio; protein binding; questionnaires; regression analysis; risk; vaccination; vitamin D; winter; Japan
Abstract:
... Several intervention studies have examined the effect of vitamin D supplementation on influenza or influenza-like illness, but their results have been inconsistent. We prospectively examined the association of serum 25-hydroxyvitamin D with influenza among Japanese workers. We conducted a nested case-control study in a cohort of workers in 4 companies in the Kanto and Tokai areas of Japan. Physici ...
DOI:
10.1016/j.clnu.2016.08.016