Vitamin D intake and status in Irish elderly women and adolescent girls

  • D. McCarthy
  • , A. Collins
  • , M. O'Brien
  • , C. Lamberg-Allardt
  • , J. Jakobsen
  • , J. Charzewska
  • , M. Kiely
  • , A. Flynn
  • , Kevin D. Cashman

Research output: Contribution to journalArticlepeer-review

Abstract

Aim: To assess vitamin D status during summer and winter in Irish girls and elderly women, and to estimate vitamin D intake in these two age-groups. Methods: Ambulatory free-living, elderly Irish women (aged 70-76 years; n = 43) and girls (aged 11-13 years; n = 17) were recruited. Fasting serums were collected during August/September 2002 and February/March 2003 and analysed for 25 (OH) D by HPLC. Results: Mean daily intakes of vitamin D were 4.6 μg and 2.1 μg in elderly women and girls, respectively. Serum 25 (OH) D was significantly lower (P<0.001) during winter than summer in both age-groups. Eight (20%) and one (during late summer) and sixteen (37.2%) and eight (47%) (during late winter) of the elderly women and girls, respectively, had inadequate vitamin D status (serum 25 (OH) D <40 nmol/l). Conclusion: I nadequate vitamin D status during winter time is quite common in elderly women and adolescent girls in Ireland.

Original languageEnglish
Pages (from-to)14-20
Number of pages7
JournalIrish Journal of Medical Science
Volume175
Issue number2
DOIs
Publication statusPublished - 2006

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