Vitamin D status and its determinants during autumn in children at northern latitudes: a cross-sectional analysis from the optimal well-being, development and health for Danish children through a healthy New Nordic Diet (OPUS) School Meal Study

Rikke Agnete Petersen, Camilla T. Damsgaard, Stine-Mathilde Dalskov, Louise B. Sørensen, Mads Fiil Hjorth, Christian Ritz, Louise Kjølbæk, Rikke Andersen, Inge Tetens, Henrik Krarup, Arne Astrup, Kim F. Michaelsen, Christian Mølgaard

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Sufficient summer/autumn vitamin D status appears important to mitigate winter nadirs at northern latitudes. We conducted a cross-sectional study to evaluate autumn vitamin D status and its determinants in 782 Danish 8-11-year-old children (55°N) using baseline data from the Optimal well-being, development and health for Danish children through a healthy New Nordic Diet (OPUS) School Meal Study, a large randomised controlled trial. Blood samples and demographic and behavioural data, including 7-d dietary recordings, objectively measured physical activity, and time spent outdoors during school hours, were collected during September-November. Mean serum 25-hydroxyvitamin D (25(OH)D) was 60·8 (sd 18·7) nmol/l. Serum 25(OH)D levels ≤50 nmol/l were found in 28·4 % of the children and 2·4 % had concentrations
Original languageEnglish
JournalBritish Journal of Nutrition
Volume115
Issue number2
Pages (from-to)239-250
ISSN0007-1145
DOIs
Publication statusPublished - 2015

Keywords

  • Vitamin D
  • Children
  • Northern latitudes
  • Determinants

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