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Serum 25-Hydroxyvitamin D Levels in Preschool-Age Children in Northern Sweden Are Inadequate After Summer and Diminish Further During Winter
Umeå universitet, Medicinska fakulteten, Institutionen för klinisk vetenskap, Pediatrik. (Arcum)
Umeå universitet, Medicinska fakulteten, Institutionen för klinisk vetenskap, Pediatrik. (Arcum)
Umeå universitet, Medicinska fakulteten, Institutionen för klinisk vetenskap, Pediatrik.
Umeå universitet, Medicinska fakulteten, Institutionen för klinisk vetenskap, Pediatrik.
2013 (Engelska)Ingår i: Journal of Pediatric Gastroenterology and Nutrition - JPGN, ISSN 0277-2116, E-ISSN 1536-4801, Vol. 56, nr 5, s. 551-555Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Background and Objective: Despite studies indicating that vitamin D intake among Swedish children does not meet the recommendation, little is known of their vitamin D status. The aim of the present study was to examine vitamin D status in preschool-age children in relation to vitamin D intake, season, body mass index, and skin color. Methods: Preschool-age children (n = 90; mean age 54 +/- 7.1 months), all living in northern Sweden (latitude 63 degrees north), half of them with fair skin, half with darker complexion, were recruited from well-baby clinics. The study group was examined first in August-September (late summer) and then the following January-February (winter). Skin type, vitamin D intake, anthropometrics, serum 25-hydroxyvitamin D (S-25[OH] D), and serum parathyroid hormone were assessed. Results: Mean +/- SD S-25(OH) Din summer and winter were 60 +/- 15 nmol/L and 55 +/- 16 nmol/L, respectively (P < 0.001). Fifteen percent and 10% had S-25(OH) D >= 75 nmol/L, and 25% and 40% had S-25(OH) D < 50 nmol/L, respectively. The mean vitamin D intake was higher in dark-skinned compared with fair-skinned children. In spite of this, S-25(OH) D in dark-skinned children was lower compared with fair-skinned children during both seasons. The dietary intake of vitamin D was positively associated with S-25(OH) D levels. Conclusions: Vitamin D status is inadequate in preschool-age children living in northern Sweden, especially in dark-skinned children and during the winter despite vitamin D intakes meeting the recommendations, prompting strategies to improve intake of vitamin D in this population.

Ort, förlag, år, upplaga, sidor
2013. Vol. 56, nr 5, s. 551-555
Nyckelord [en]
child, latitude, season, serum 25-hydroxyvitamin D, vitamin D
Nationell ämneskategori
Pediatrik
Identifikatorer
URN: urn:nbn:se:umu:diva-72701DOI: 10.1097/MPG.0b013e3182838e5bISI: 000318021900024Scopus ID: 2-s2.0-84877030196OAI: oai:DiVA.org:umu-72701DiVA, id: diva2:627197
Tillgänglig från: 2013-06-11 Skapad: 2013-06-10 Senast uppdaterad: 2023-03-24Bibliografiskt granskad

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Öhlund, IngerSilfverdal, Sven-ArneHernell, OlleLind, Torbjörn

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