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dc.contributor.authorHolten-Andersen, Mads Nikolaj
dc.contributor.authorHaugen, Johanne
dc.contributor.authorOma, Ingvild
dc.contributor.authorStrand, Tor A
dc.date.accessioned2021-04-21T08:22:02Z
dc.date.available2021-04-21T08:22:02Z
dc.date.created2020-05-23T10:08:44Z
dc.date.issued2020
dc.PublishedNutrients. 2020, 12 (5), E1385-?.
dc.identifier.issn2072-6643
dc.identifier.urihttps://hdl.handle.net/11250/2738777
dc.description.abstractRecommendations for sufficient vitamin D intake in children were recently revised in Norway. However, optimal levels of vitamin D are still debated and knowledge on supplementation and vitamin D levels in healthy children in Norway is scarce. Therefore, we measured the plasma-concentration of 25-hydroxyvitamin D (25(OH)D) in children and adolescents attending the outpatient paediatric clinics in Innlandet Hospital Trust, Norway during two consecutive years (2015–2017). We recruited 301 children and adolescents aged 5 months to 18 years (mean 7.8, SD 4.4 years) for the study and obtained sample material for 25(OH)D measurements from 295 (98%). Information on diet, vitamin D supplementation, sun exposure, ethnicity, parental education and general health was collected by questionnaire. 25(OH)D levels were analysed and determinants for 25(OH)D were estimated by linear regression. 1.0% of the children had deficient levels (25(OH)D < 25 nmol/L) and 21.0% had insufficient levels (25–50 nmol/L). 25(OH)D levels ranging from 50 to 75 nmol/L were found among 38.3%, while 39.7% had levels above 75 nmol/L. The mean 25(OH)D level was 70.0 nmol/L (SD 23.4, range 17–142 nmol/L) with a significant seasonal variation with lowest levels in mid-winter and highest in late summer. In addition to seasonal variation independent determinants for 25(OH)D-levels were age of the child, parental ethnicity, vitamin D supplementation and soda consumption. Along with parental ethnicity other than Nordic, age was the strongest determinant of 25(OH)D, with adolescents having the lowest levels.en_US
dc.language.isoengen_US
dc.publisherMDPIen_US
dc.relation.urihttps://www.mdpi.com/2072-6643/12/5/1385
dc.rightsNavngivelse 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no*
dc.titleVitamin D Status and Its Determinants in a Paediatric Population in Norwayen_US
dc.typeJournal articleen_US
dc.typePeer revieweden_US
dc.description.versionpublishedVersionen_US
dc.rights.holderCopyright 2020 by the authors.en_US
dc.source.articlenumber1385en_US
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1
dc.identifier.doi10.3390/nu12051385
dc.identifier.cristin1812222
dc.source.journalNutrientsen_US
dc.source.4012
dc.source.145
dc.identifier.citationNutrients. 2020, 12 (5), 1385.en_US
dc.source.volume12en_US
dc.source.issue5en_US


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