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The prevalence of vitamin D deficiency among schoolchildren: a cohort study from Xinxiang, China

  • Pei-ling Li , Yun-jiao Tian , Yan-hua Wang , Cui-zhen Zhang , Jun Gao , Yu-hua Li and Shu-jun Li EMAIL logo
Published/Copyright: January 10, 2015
Journal of Pediatric Endocrinology and Metabolism
From the journal Journal of Pediatric Endocrinology and Metabolism Volume 28 Issue 5-6

Abstract

Aim: Vitamin D deficiency (VDD) in children is widespread. Therefore, the present study was conducted to assess the prevalence of VDD in schoolchildren from Henan Province, China.

Methods: The study was conducted on school students from areas of Xinxiang, one of the largest cities of Henan Province in China, in the winter of 2013. A questionnaire on demographic data, socioeconomic status, sun exposure, and times of acute respiratory infections (RTI) in the past 12 months were completed for each student. Blood samples were taken to assess serum levels of 25-hydroxyvitamin D [25(OH)D].

Results: In our study, 606 schoolchildren completed the questionnaire. The median serum level of 25(OH)D was 20.5 ng/mL (interquartile range: 15.9–25.1). The prevalence of VDD and insufficiency was 46.9% (284/606) and 85.8% (520/606), respectively. VDD was more associated with female gender, high body mass index, lower socio-professional status, residence in urban areas, and less time spent outdoors. There was an inverse correlation between levels of 25(OH) and times of RTI (p<0.001).

Conclusion: VDD and insufficiency are common among schoolchildren in Xinxiang. Supplementation with food fortification or vitamin D for Chinese children is warranted.

Keywords: 25-hydroxyvitamin D; Chinese; deficiency; vitamin D
Corresponding author: Shu-jun Li, No. 88 Jiankang Road, Weihui, Henan 453100, P. R. China, Phone: +86-0373-4402314, E-mail: ; and Pediatric Intensive Care Unit, First Affiliated Hospital of Xinxiang Medical University, Xinxiang, P. R. China

Acknowledgments

We would like to thank the children and parents for their cooperation during this study. The authors also acknowledge the contribution of the editors and reviewers who have helped us to improve the manuscript.

Conflict of interest statement: The authors have no relevant conflict of interest to disclose.

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Received: 2014-6-11
Accepted: 2014-11-17
Published Online: 2015-1-10
Published in Print: 2015-5-1

©2015 by De Gruyter

Articles in the same Issue

  1. Frontmatter
  2. Highlight: Obesity
  3. Childhood obesity at the crossroads
  4. Obesogenic environments: environmental approaches to obesity prevention
  5. Childhood obesity and eating behaviour
  6. Hypothalamic obesity in children: pathophysiology to clinical management
  7. The reliability of body mass index in the diagnosis of obesity and metabolic risk in children
  8. Determining abdominal obesity cut-offs and relevant risk factors for anthropometric indices in Turkish children and adolescents
  9. The effect of body mass index on blood pressure varies by race among obese children
  10. Insulin secretion response during oral glucose tolerance test is related to low cardiorespiratory fitness in obese adolescents
  11. Is there a relationship between cardiovascular risk factors and dehydroepiandrosterone sulfate levels in childhood obesity?
  12. The effect of lifestyle change and metformin therapy on serum arylesterase and paraoxonase activity in obese children
  13. Childhood obesity, thyroid function, and insulin resistance – is there a link? A longitudinal study
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  19. Review article
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  21. Original articles
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https://doi.org/10.1515/jpem-2014-0250
Keywords for this article
25-hydroxyvitamin D; Chinese; deficiency; vitamin D

Articles in the same Issue

  1. Frontmatter
  2. Highlight: Obesity
  3. Childhood obesity at the crossroads
  4. Obesogenic environments: environmental approaches to obesity prevention
  5. Childhood obesity and eating behaviour
  6. Hypothalamic obesity in children: pathophysiology to clinical management
  7. The reliability of body mass index in the diagnosis of obesity and metabolic risk in children
  8. Determining abdominal obesity cut-offs and relevant risk factors for anthropometric indices in Turkish children and adolescents
  9. The effect of body mass index on blood pressure varies by race among obese children
  10. Insulin secretion response during oral glucose tolerance test is related to low cardiorespiratory fitness in obese adolescents
  11. Is there a relationship between cardiovascular risk factors and dehydroepiandrosterone sulfate levels in childhood obesity?
  12. The effect of lifestyle change and metformin therapy on serum arylesterase and paraoxonase activity in obese children
  13. Childhood obesity, thyroid function, and insulin resistance – is there a link? A longitudinal study
  14. Associations between IGF-I, IGF-binding proteins and bone turnover markers in prepubertal obese children
  15. Osteocalcin is inversely associated with adiposity and leptin in adolescent boys
  16. Association between cardiovascular risk factors and carotid intima-media thickness in prepubertal Brazilian children
  17. Insulin resistance and cardiometabolic risk factors in obese children and adolescents: a hierarchical approach
  18. The role of apolipoprotein E polymorphism in improving dyslipidemia in obese adolescents following physical exercise and National Cholesterol Education Program Step II intervention
  19. Review article
  20. Is ultrasound useful in the diagnosis of adolescents with polycystic ovary syndrome?
  21. Original articles
  22. IGF-II expression and methylation in small for gestational age infants
  23. Early screening of FTO and MC4R variants in newborns of Greek origin
  24. Pitfalls in hormonal diagnosis of 17-beta hydroxysteroid dehydrogenase III deficiency
  25. The prevalence of vitamin D deficiency among schoolchildren: a cohort study from Xinxiang, China
  26. Management of testosterone therapy in adolescents and young men with hypogonadism: are we following adult clinical practice guidelines?
  27. Vitamin D status and its associations with components of metabolic syndrome in healthy children
  28. Metformin treatment improves weight and dyslipidemia in children with metabolic syndrome
  29. Patient reports
  30. Hypothyroidism caused by the combination of two heterozygous mutations: one in the TSH receptor gene the other in the DUOX2 gene
  31. Ovarian carcinoma in a 14-year-old with classical salt-wasting congenital adrenal hyperplasia and bilateral adrenalectomy
  32. An asymptomatic mother diagnosed with 3-methylcrotonyl-CoA carboxylase deficiency after newborn screening
  33. A new missense mutation in the BCKDHB gene causes the classic form of maple syrup urine disease (MSUD)
  34. Ovotesticular disorder of sex development with unusual karyotype: patient report
  35. First case report of medium-chain acyl-coenzyme A dehydrogenase deficiency in China
  36. Virilizing adrenal oncocytoma in a 9-year-old girl: rare neoplasm with an intriguing postoperative course
  37. Unexpected clinical features in a female patient with proopiomelanocortin (POMC) deficiency
  38. Sirolimus therapy in a patient with severe hyperinsulinaemic hypoglycaemia due to a compound heterozygous ABCC8 gene mutation
  39. Cross-reactivity of adrenal steroids with aldosterone may prevent the accurate diagnosis of congenital adrenal hyperplasia
  40. Hyperthyroidism hidden by congenital central hypoventilation syndrome
  41. The use of pamidronate for acute vitamin D intoxication, clinical experience with three cases
  42. Chondrocalcinosis related to familial hypomagnesemia with hypercalciuria and nephrocalcinosis
  43. Cushing syndrome related to leukemic infiltration of the central nervous system
  44. Hashimoto’s encephalopathy: a rare pediatric brain disease
  45. Short communication
  46. A novel ABCD1 gene mutation in a Chinese patient with X-linked adrenoleukodystrophy
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