{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,31]],"date-time":"2026-07-31T05:57:58Z","timestamp":1785477478597,"version":"3.56.0"},"reference-count":26,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2023,12,20]],"date-time":"2023-12-20T00:00:00Z","timestamp":1703030400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Acta Paediatrica"],"published-print":{"date-parts":[[2024,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>The aim of this study was to review papers that assessed the vitamin D intake of children living in Norway, as research has suggested that it has remained below the recommended daily allowance of 10\u2009\u03bcg\/day.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>This mini review examined the vitamin D status of Norwegian children aged 0\u201318\u2009years by systematically searching the PubMed, Google Scholar and Scopus databases from 1 January 2009 to 1 July 2020.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The review comprised six studies published in English between 2009 and 2020 on native\u2010born and non\u2010Western immigrant children. Most studies defined satisfactory vitamin D status as a plasma 25\u2010hydroxyvitamin D (25(OH)D) concentration of 50\u2009nmol\/L, with 25\u201350\u2009nmol\/L being classified as insufficient and below 25\u2009nmol\/L being classified as deficient. A study of healthy children found that 21% had insufficient levels and a further 1% were deficient, but this second finding was only among adolescents. Other studies showed that 47% of Norwegian children with a non\u2010Western immigrant background were deficient, and so were 19% of overweight children, mainly adolescents.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Vitamin D concentrations were often insufficient among children living in Norway, particularly adolescents and those with a non\u2010Western immigrant background. Higher recommended supplements may be needed.<\/jats:p><\/jats:sec>","DOI":"10.1111\/apa.17078","type":"journal-article","created":{"date-parts":[[2023,12,20]],"date-time":"2023-12-20T12:30:43Z","timestamp":1703075443000},"page":"411-416","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Vitamin D concentrations were often insufficient among native Norwegian adolescents and children with a non\u2010Western immigrant background"],"prefix":"10.1111","volume":"113","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5473-9642","authenticated-orcid":false,"given":"Chandra Sekhar","family":"Devulapalli","sequence":"first","affiliation":[{"name":"Paediatric Outpatient Clinic, Department of Medicine Helgeland Hospital  Sandnessj\u00f8en Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2023,12,20]]},"reference":[{"key":"e_1_2_12_2_1","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMra070553"},{"key":"e_1_2_12_3_1","unstructured":"Nordic nutrition recommendations 2012. 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