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Nutr Res Pract. 2018 Oct;12(5):387-395. doi: 10.4162/nrp.2018.12.5.387. Epub 2018 Aug 21.

The factors associated with Vitamin D deficiency in community dwelling elderly in Korea.

Author information

1
Department of Family Medicine, Soonchunhyang University College of Medicine, Soonchunhyang University Cheonan Hospital, 31, Soonchunhyang 6-gil, Donagnam-gu, Cheonan-si, Chungnam 31151, Korea.
2
Department of Family Medicine, Soonchunhyang University College of Medicine, Soonchunhyang University Seoul Hospital, Seoul 04401, Korea.
3
Department of Family Medicine, Soonchunhyang University College of Medicine, Soonchunhyang University Gumi Hospital, Gyeongbuk 39371, Korea.

Abstract

BACKGROUND/OBJECTIVES:

Recent studies showed vitamin D deficiency is linked to chronic diseases in addition to skeletal metabolism which could threaten the elderly. We analyzed health conditions and socio-demographic factors associated with vitamin D deficiency in community dwelling people aged 65 years and older.

SUBJECTS/METHOD:

Data from the Korea National Health and Nutrition Examination Survey (KNHANES) 2010 to 2012 were obtained. A total of 2,687 subjects aged 65 years and older were participated. The cutoff value of the Vitamin D deficiency was considered as serum 25-hydroxyvitamin D [25(OH)D] ≤ 20 ng/mL (50 nmol/L).

RESULTS:

The overall prevalence rate of vitamin D deficiency in the elderly was 62.1%. The factors such as female, obesity, metabolic syndrome, current smoker, and skipping breakfast were positively associated with vitamin D deficiency, but high intensity of physical activity and more than 9 hours of sleep duration were negatively associated with vitamin D deficiency (all P < 0.05).

CONCLUSIONS:

It is important that health professions know that the factors proved in this study are connected to vitamin D deficiency thus provide information and intervention strategies of vitamin D deficiency to old aged people.

KEYWORDS:

25-hydroxyvitamin D; aging; risk factors

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