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Vitamin D insufficiency in Korea--a greater threat to younger generation: the Korea National Health and Nutrition Examination Survey (KNHANES) 2008

Authors
 Han Seok Choi  ;  Han Jin Oh  ;  Hoon Choi  ;  Woong Hwan Choi  ;  Jung Gu Kim  ;  Kyoung Min Kim  ;  Kwang Joon Kim  ;  Yumie Rhee  ;  Sung-Kil Lim 
Citation
 JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM, Vol.96(3) : 643-651, 2011 
Journal Title
JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM
ISSN
 0021-972X 
Issue Date
2011
MeSH
25-Hydroxyvitamin D 2/blood ; Adolescent ; Adult ; Age Factors ; Aged ; Calcifediol/blood ; Child, Preschool ; Exercise ; Female ; Forecasting ; Humans ; Male ; Middle Aged ; Nutrition Surveys ; Nutritional Status ; Occupations ; Republic of Korea/epidemiology ; Risk Factors ; Rural Population ; Seasons ; Sex Factors ; Urban Population ; Vitamin D Deficiency/epidemiology* ; Walking ; Young Adult
Abstract
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 the Korean population, and also identify the predictors for vitamin D insufficiency in Korea.

DESIGN AND SETTING: The Fourth Korea National Health and Nutrition Examination Surveys (KNHANES IV) in the Korean population conducted in 2008.

PARTICIPANTS: 3,047 males and 3,878 females aged 10 years and older selected in all the 16 administrative districts of South Korea.

MAIN OUTCOME MEASURES: Serum 25-hydroxyvitamin D [25(OH)D] levels and the prevalence of vitamin D insufficiency defined as serum 25(OH)D level of less than 20 ng/ml.

RESULTS: Vitamin D insufficiency was found in 47.3% of males and 64.5% of females, whereas only 13.2% of male and 6.7% of female population had a serum 25(OH)D level of greater than 30 ng/ml. Vitamin D insufficiency was most prevalent in the age of 20-29, with a rate of 65.0% in males and 79.9% in females, and least prevalent in the age of 60-69 in males and 50-59 in females. Those who work usually indoors were more predisposed to vitamin D insufficiency. In the adult population, predictors for vitamin D insufficiency included young age groups, spring and winter seasons, living in an urban area, and indoor occupations.

CONCLUSIONS: Vitamin D insufficiency is very common, and it is now a greater threat to the younger generation in Korea. Current recommendations for vitamin D intakes for Koreans are inadequate, especially for the youth.
Files in This Item:
T201100645.pdf Download
DOI
10.1210/jc.2010-2133
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Kyung Min(김경민)
Kim, Kwang Joon(김광준) ORCID logo https://orcid.org/0000-0002-5554-8255
Rhee, Yumie(이유미) ORCID logo https://orcid.org/0000-0003-4227-5638
Lim, Sung Kil(임승길)
Choi, Han Seok(최한석)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/92799
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