Longitudinal changes in serum 25-hydroxyvitamin D in the Dallas Heart Study.

ABSTRACT:

Context

While the prevalence of vitamin D deficiency is well described in various populations, limited data are available regarding longitudinal variation in serum 25-hydroxyvitamin D concentrations.

Objectives

To evaluate the temporal trends in serum 25(OH)D, prevalence of vitamin D deficiency and factors influencing these trends.

Participants, design and setting

Adults enrolled in the Dallas Heart Study, a longitudinal, probability-based, multiethnic, population study in Dallas, Texas, USA.

Main outcome measures

Prevalence of vitamin D deficiency and predictors of change in serum 25(OH)D.

Results

A total of 2045 participants had serum 25(OH)D measured on two occasions (2000-2002 and 2007-2009) at a median interval of 7 years. Serum 25(OH)D decreased (4

SUBMITTER: Mirfakhraee S 

PROVIDER: S-EPMC5561481 | biostudies-literature | 2017 Sep

REPOSITORIES: biostudies-literature