Abstract:
:Vitamin D deficiency is associated with numerous public health issues. Limited data are available for children in southern China, a region that receives abundant sunlight. We aimed to estimate the 25-hydroxyvitamin D (25(OH)D) levels in children in that area, and to determine seasonal variations in serum 25(OH)D levels. A total of 16,755 children aged 0 to 6 years, who visited the Guangdong Women and Children's Hospital for health examination between January 2016 and May 2017, were included in the present study. The serum 25(OH)D levels ranged from 10.5 to 307.4 nmol/L (mean ± standard deviation: 78.5 ± 26.3 nmol/L). The prevalence of vitamin D deficiency and insufficiency were 10.8% and 39.0%, respectively. The mean serum 25(OH)D level in spring (71.8 ± 24.9 nmol/L) was lower than that in other seasons. From January to April, we found a relatively high prevalence of vitamin D deficiency or insufficiency, both of which were also found to increase with age. Logistic regression analysis revealed that vitamin D deficiency and insufficiency were significantly associated with age and season. Deficiency and insufficiency of vitamin D are common among children in southern China, despite the area receiving sufficient sunlight.
journal_name
Medicine (Baltimore)journal_title
Medicineauthors
Guo Y,Ke HJ,Liu Y,Fu M,Ning J,Yu L,Xiao Y,Che D,Chen XY,Deng YH,Wu JLdoi
10.1097/MD.0000000000011030subject
Has Abstractpub_date
2018-06-01 00:00:00pages
e11030issue
25eissn
0025-7974issn
1536-5964pii
00005792-201806220-00022journal_volume
97pub_type
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