Pranee Thongthai, La-or Chailurkit, Suwannee Chanprasertyothin, Hataikarn Nimitphong, Piyamitr Sritara, Wichai Aekplakorn, Boonsong Ongphiphadhanakul
OBJECTIVE: Vitamin D deficiency is related to increased risks for a number of diseases. To date, at least 3 candidate genes, vitamin D binding protein (VDBP) gene (GC), 25-hydroxylase (CYP2R1), and 7-dehydrocholesterol reductase/NAD synthetase 1 (DHCR7/NADSYN1), have been associated with serum 25-hydroxyvitamin D (25[OH]D) levels, but their influences on the prevalence of vitamin D deficiency in relation to other known risk factors have not been clearly defined. METHODS: The study assessed 4,476 individuals aged 14 to 93 years from the Thailand 4th National Health Examination Survey (2008-2009) and the Electricity Generating Authority of Thailand (EGAT) (2008) cohorts...
March 2015: Endocrine Practice