Inadequate vitamin D status is highly prevalent in the Korean population, especially among
young adults. Nonetheless, correlates of suboptimal vitamin D levels in young adults are not …

Purpose: Vitamin D deficiency is a global health problem that is associated with increased
risks of major diseases. This study investigated the status of 25-hydroxyvitamin D [25 (OH) …

Vitamin D deficiency has become one of the most prevalent health problems in modern
society. However, there has been no study that has reported the trend of vitamin D status in …

Vitamin D is important for maintaining bone health and may prevent various diseases (ie,
cardiovascular disease and cancer). The aim of this study was to estimate vitamin D intakes …

Background Although many studies on vitamin D have been conducted, they have not been
consistent regarding the method of measurement, the individuals investigated, and the …

ObjectiveTo evaluate the prevalence of vitamin D deficiency and predictors for low vitamin D
status in Korean adolescents living between latitudes 33° and 39° N. DesignA descriptive …

Context: Vitamin D status in the Korean population has not been adequately determined.
Objective: To investigate the vitamin D status and the prevalence of vitamin D insufficiency in …

ObjectiveWe aimed to assess the prevalence and associated factors of vitamin D deficiency
in healthy adolescents and to determine parent–adolescent association in vitamin D status …

Vitamin D deficiency (VDD) is becoming an epidemic and thereby a global health problem.
Further, VDD adversely affects calcium metabolism and skeletal health, and is associated …

Background The objective of this study was to assess the serum 25-hydroxyvitamin D
(25OHD) status and evaluate the associated factors in a Korean pediatric population aged 0 …