Association between serum 25-hydroxyvitamin D levels and cognitive function among older adults in Tianjin, China: a cross-sectional community-based study
Objective To explore the association between serum 25-hydroxyvitamin D (25-OH-D) levels and mild cognitive impairment (MCI) and further analyse the association between serum 25-OH-D levels and different dimensions of cognitive function. Design Cross-sectional study. Setting Tianjin, China. Participants A total of 866 p...