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Type
Academic journal
Author
Hyejin You (Chungnam National University) Hye Ran Shin (Chungnam National University) SuJin Song (Hannam University) Sun Yung Ly (Chungnam National University)
Journal
The Korean Society Of Community Nutrition Nutrition Research and Practice Vol.16 No.6
Published
2022.12
Pages
775 - 788 (14page)

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BACKGROUND/OBJECTIVES: The prevalence of vitamin D deficiency in Koreans is quite high; however, until recently, Korean National Health and Nutrition Survey (KNHANES) had not analyzed the vitamin D intake among Koreans. Additionally, the Korean Dietary Reference Intake for vitamin D was established based on insufficient evidence. Therefore, we investigated vitamin D intake and its relationship with bone mineral density (BMD) in Korean adults using the combined data from the 2009–2011 KNHANES.
MATERIALS AND METHODS: This study was conducted in 11,949 healthy adults. Vitamin D intake was assessed using a 24-h recall method, and the BMD was measured using dual-energy X-ray absorptiometry.
RESULTS: The prevalence of vitamin D deficiency (< 20 ng/mL) was 64% in men and 77% in women. In women aged ≥ 50 yrs and men aged < 50 yrs, there was a significant positive correlation between vitamin D intake and serum 25-hydroxyvitamin D level after sun exposure adjustment. The BMD of postmenopausal women aged ≥ 50 yrs with a vitamin D intake of 5 ㎍/day or more was significantly higher than that of women with intake less than 5 ㎍/day. After adjusting for age, energy, and calcium intake, the vitamin D intake of the osteoporotic group was significantly lower than that of the osteopenia group in women.
CONCLUSIONS: Since the relationship between vitamin D intake and BMD was observed in women aged ≥ 50 yrs, further research is needed to clarify these findings using cohort or randomized controlled trials.
#Vitamin D #bone #osteoporosis

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ABSTRACT
INTRODUCTION
MATERIALS AND METHODS
RESULTS
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