The Differential Role of Vitamin D in Type 2 Diabetes Management and Control in Minority Populations

Miyong To Kim, Kim Byeng Kim, Jisook Ko, Nicole Murry, David Levine, Ju Young Lee

Research output: Contribution to journalArticle

Abstract

Vitamin D deficiency is associated with incidence of type 2 diabetes (T2DM) as well as poor glycemic control among T2DM patients, yet comparative studies of its association among ethnic minority populations are scarce. Using baseline data from a behavioral intervention study of Korean Americans (KAs) with T2DM (N = 250 KAs) and the NHANES data set, we explored differential roles of vitamin D on HbA1C level or T2DM control in several racial groups. Significantly more KAs (55.2%) were vitamin D-deficient (U.S. average, 37.8%). Both common and unique correlates of vitamin D deficiency in minority populations were identified, including significant associations between Vitamin D and HbA1C in both non-diabetic and diabetic populations. Future studies are warranted to explain the causal mechanism of the effect of vitamin D and glycemic control as well as to examine contextual factors associated with vitamin D deficiency in certain minority groups. Clinical Trials Registry: Identifier NCT01264796.

Original languageEnglish (US)
Pages (from-to)1266-1274
Number of pages9
JournalJournal of Immigrant and Minority Health
Volume21
Issue number6
DOIs
StatePublished - Dec 1 2019
Externally publishedYes

Keywords

  • Korean Americans
  • NHANES
  • Self-help
  • Type 2 diabetes
  • Vitamin D

ASJC Scopus subject areas

  • Epidemiology
  • Public Health, Environmental and Occupational Health

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