Investigation on the nutritional status of Vitamin D among preschool children in Lanzhou, Gansu

GUO Wen Jie; ZHANG Jin Liang; ZHOU Shuang Yan; LV Zhan Lu; ZHANG Han; GUO Lin Chuan; RUAN Ye

doi:10.19757/j.cnki.issn1674-7763.2022.05.011

CHINESE JOURNAL OF WOMEN AND CHILDREN HEALTH > 2022 > 13(5): 48-52. > DOI: 10.19757/j.cnki.issn1674-7763.2022.05.011

GUO Wen Jie, ZHANG Jin Liang, ZHOU Shuang Yan, LV Zhan Lu, ZHANG Han, GUO Lin Chuan, RUAN Ye. Investigation on the nutritional status of Vitamin D among preschool children in Lanzhou, Gansu[J]. CHINESE JOURNAL OF WOMEN AND CHILDREN HEALTH, 2022, 13(5): 48-52. DOI: 10.19757/j.cnki.issn1674-7763.2022.05.011

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Investigation on the nutritional status of Vitamin D among preschool children in Lanzhou, Gansu

1.
School of Public Health, Lanzhou University, Lanzhou 730000, Gansu Province, China
2.
State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
3.
Lanzhou Chengguan District Maternal and Child Health Care Hospital, Lanzhou 730000, Gansu Province, China

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Received Date: March 25, 2022
Available Online: February 02, 2023

Graphical Abstract

Abstract

Abstract

Objective
To investigate vitamin D(VitD) nutritional status among urban preschool children in Lanzhou, Gansu, so as to provide scientific evidence for guiding VitD supplementation.
Methods
Convenient sampling was used to recruit all children in 10 kindergartens as study subjects at Chengguan District, Lanzhou. The level of serum 25-hydroxyl VitD was tested by immuno-chromatography. Those who were diagnosed with diseases that might affect bone metabolism by pediatricians were excluded during data analysis. The children's nutritional status of VitD was evaluated based on the 'Children's Nutritional Criteria of VitD' recommended by the Branch of Child Health Care of The Chinese Preventive Medical Association.
Results
A total of 1 381 preschool children were included in the analysis, 714 (51.7%) were boys while 667 (48.3%) were girls at an average age of (4.67 ± 0.89) years. The average level of VitD was (22.20 ± 3.45)ng/mL and there was no VitD deficiency (< 12.0 ng/mL). The prevalence of VitD insufficiency(12.0 - 20.0 ng/mL) was 26.1%, while the level of VitD for 73.9% children was normal (> 20.0 ng/mL).
Conclusion
Our study suggests that the nutritional status of VitD for most children in Lanzhou is sufficient while about a quarter were insufficient. Parents should be instructed to provide their children with VitD supplements scientifically and increase calcium-rich food intake.
- vitamin D,
- preschoolers,
- nutritional status

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