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Vitamin D Status and Associated Factors of Older Adults in the Cross-Sectional 2015–2017 Survey

Vitamin D is beneficial for maintaining good health; however, there is a lack of nationally representative data reported, particularly in older adults. To better understand the nutritional status of vitamin D and its influencing factors on Chinese older adults, we adopted stratified random sampling...

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Autores principales: Hu, Yichun, Wang, Rui, Mao, Deqian, Chen, Jing, Li, Min, Li, Weidong, Yang, Xiaoguang, Yang, Lichen
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10609758/
https://www.ncbi.nlm.nih.gov/pubmed/37892551
http://dx.doi.org/10.3390/nu15204476
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author Hu, Yichun
Wang, Rui
Mao, Deqian
Chen, Jing
Li, Min
Li, Weidong
Yang, Xiaoguang
Yang, Lichen
author_facet Hu, Yichun
Wang, Rui
Mao, Deqian
Chen, Jing
Li, Min
Li, Weidong
Yang, Xiaoguang
Yang, Lichen
author_sort Hu, Yichun
collection PubMed
description Vitamin D is beneficial for maintaining good health; however, there is a lack of nationally representative data reported, particularly in older adults. To better understand the nutritional status of vitamin D and its influencing factors on Chinese older adults, we adopted stratified random sampling to select serum samples originating from the Chronic Disease and Nutritional Survey Biobank of Chinese Residents in 2015–2017. Serum 25-hydroxyvitamin D (25(OH)D) concentrations were determined by enzyme-linked immunoassay. The OR and PR of associated factors for vitamin D deficiency and insufficiency were calculated. In the study, a total of 6273 participants were included. Median serum 25(OH)D concentration was 18.48 (13.27–24.71) ng/mL. The overall rate of vitamin D deficiency and insufficiency was 58.27% (<20 ng/mL), and the VDD rate was 22.17%, which is worse than 5 years ago by nearly 20%. The likelihood of vitamin D deficiency and insufficiency is increased in women, people aged and above 70 years, ethnic minorities, people living in urban areas, midlands, or western areas, warm or medium temperate zones, with middle school and above education level, and people with abdominal obesity and anemia would increase the possibility of vitamin D deficiency and insufficiency with latitude having the greatest impact on vitamin D deficiency and insufficiency. Overall, vitamin D deficiency and insufficiency are very common in Chinese older adults. They should be encouraged to improve their vitamin D nutritional status through enough sunshine exposure and increasing vitamin D intake through diet or supplements.
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spelling pubmed-106097582023-10-28 Vitamin D Status and Associated Factors of Older Adults in the Cross-Sectional 2015–2017 Survey Hu, Yichun Wang, Rui Mao, Deqian Chen, Jing Li, Min Li, Weidong Yang, Xiaoguang Yang, Lichen Nutrients Article Vitamin D is beneficial for maintaining good health; however, there is a lack of nationally representative data reported, particularly in older adults. To better understand the nutritional status of vitamin D and its influencing factors on Chinese older adults, we adopted stratified random sampling to select serum samples originating from the Chronic Disease and Nutritional Survey Biobank of Chinese Residents in 2015–2017. Serum 25-hydroxyvitamin D (25(OH)D) concentrations were determined by enzyme-linked immunoassay. The OR and PR of associated factors for vitamin D deficiency and insufficiency were calculated. In the study, a total of 6273 participants were included. Median serum 25(OH)D concentration was 18.48 (13.27–24.71) ng/mL. The overall rate of vitamin D deficiency and insufficiency was 58.27% (<20 ng/mL), and the VDD rate was 22.17%, which is worse than 5 years ago by nearly 20%. The likelihood of vitamin D deficiency and insufficiency is increased in women, people aged and above 70 years, ethnic minorities, people living in urban areas, midlands, or western areas, warm or medium temperate zones, with middle school and above education level, and people with abdominal obesity and anemia would increase the possibility of vitamin D deficiency and insufficiency with latitude having the greatest impact on vitamin D deficiency and insufficiency. Overall, vitamin D deficiency and insufficiency are very common in Chinese older adults. They should be encouraged to improve their vitamin D nutritional status through enough sunshine exposure and increasing vitamin D intake through diet or supplements. MDPI 2023-10-23 /pmc/articles/PMC10609758/ /pubmed/37892551 http://dx.doi.org/10.3390/nu15204476 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Hu, Yichun
Wang, Rui
Mao, Deqian
Chen, Jing
Li, Min
Li, Weidong
Yang, Xiaoguang
Yang, Lichen
Vitamin D Status and Associated Factors of Older Adults in the Cross-Sectional 2015–2017 Survey
title Vitamin D Status and Associated Factors of Older Adults in the Cross-Sectional 2015–2017 Survey
title_full Vitamin D Status and Associated Factors of Older Adults in the Cross-Sectional 2015–2017 Survey
title_fullStr Vitamin D Status and Associated Factors of Older Adults in the Cross-Sectional 2015–2017 Survey
title_full_unstemmed Vitamin D Status and Associated Factors of Older Adults in the Cross-Sectional 2015–2017 Survey
title_short Vitamin D Status and Associated Factors of Older Adults in the Cross-Sectional 2015–2017 Survey
title_sort vitamin d status and associated factors of older adults in the cross-sectional 2015–2017 survey
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10609758/
https://www.ncbi.nlm.nih.gov/pubmed/37892551
http://dx.doi.org/10.3390/nu15204476
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