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Optimal vitamin A and suboptimal vitamin D status are common in Iranian infants
Unit for Public Health Nutrition, Department of Biosciences and Nutrition, Karolinska Institutet, Stockholm, Sweden; Akershus University College, Lillestrøm, Norway; Kermanshah University of Medical Sciences, Kermanshah, Iran.
Global Health Department Institute for Health Metrics and Evaluation, University of Washington, Seattle WA, United States.
Unit for Public Health Nutrition, Department of Biosciences and Nutrition, Karolinska Institutet, Stockholm, Sweden;.
Unit for Public Health Nutrition, Department of Biosciences and Nutrition, Karolinska Institutet, Stockholm, Sweden;.
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2011 (English)In: Acta Paediatrica, ISSN 0803-5253, E-ISSN 1651-2227, Vol. 100, no 3, p. 439-444Article in journal (Refereed) Published
Abstract [en]

Aim: Investigation of serum concentrations of vitamins A and D in Iranian infants. Methods: A descriptive cross-sectional study, investigating 7112 infants (1523 months of age) from all regions of Iran, who attended health care centres from May 25 to June 2, 2001. Unequal clusters with unequal household sizes were sampled. Vitamin A and D levels were analysed with high-performance liquid chromatography. Results: The mean (SD) concentration of vitamin A was 2.09 (0.83) mu mol/L. At a national level, 0.7% of the infants had a level indicating deficiency, and 0.5% of the infants had insufficient concentrations of vitamin A, defined as serum concentrations < 0.35 and < 0.7 mu mol/L retinol, respectively. A total of 88% of infants had optimal concentrations (> 1.4 mu mol /L). The mean (SD) concentration of vitamin D was 61.3 (31.4) nmol/L. Deficiency was found in 2.8% of infants (< 25 nmol/L), and insufficiency in 32.9% (< 50 nmol/L). Suboptimal and optimal concentrations were found in 44% and 20%, representing 50-75 and > 75 nmol/L, respectively. Girls had lower vitamin D concentrations than boys (p = 0.006). Conclusion: As in developed countries, vitamin A deficiency was rare in Iranian infants. Vitamin D deficiency was also rare, but 33% of infants had insufficient levels; this was more common in girls than boys.

Place, publisher, year, edition, pages
2011. Vol. 100, no 3, p. 439-444
Keywords [en]
Infants, Iran, Supplementation, Vitamin A, Vitamin D
National Category
Nutrition and Dietetics
Research subject
Nutrition
Identifiers
URN: urn:nbn:se:oru:diva-30589DOI: 10.1111/j.1651-2227.2010.02058.xISI: 000286837700025OAI: oai:DiVA.org:oru-30589DiVA, id: diva2:648201
Available from: 2013-09-13 Created: 2013-09-02 Last updated: 2018-05-05Bibliographically approved

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