{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,28]],"date-time":"2026-02-28T16:44:23Z","timestamp":1772297063968,"version":"3.50.1"},"reference-count":34,"publisher":"Cambridge University Press (CUP)","issue":"6","license":[{"start":{"date-parts":[[2010,5,5]],"date-time":"2010-05-05T00:00:00Z","timestamp":1273017600000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Br J Nutr"],"published-print":{"date-parts":[[2010,9,28]]},"abstract":"<jats:p>Human subjects obtain their vitamin D from the diet, especially from marine food, and from endogenous synthesis following cutaneous sun exposure. The risk of an insufficient vitamin D synthesis is increased in northern populations, but it may be counteracted by a high intake of marine food in fishing populations, e.g. at the Faroe Islands. We examined the vitamin D status and its statistical determinants in a cross-sectional study of 713 elderly Faroese aged 70\u201374 years, about two-thirds of all the eligible residents in this age group. Clinical examination included measurement of body weight and height, and marine food intake was estimated using a questionnaire. We measured serum 25-hydroxyvitamin D<jats:sub>3<\/jats:sub> (S-25(OH)D<jats:sub>3<\/jats:sub>) by LC-MS\/MS in 669 of the 713 subjects in whom sufficient serum was available. Of the population, 19\u00a0% had S-25(OH)D<jats:sub>3<\/jats:sub> concentrations &lt;\u00a025\u00a0nmol\/l, and only 10\u00b73\u00a0% of the population had S-25(OH)D<jats:sub>3<\/jats:sub> concentrations &gt;80\u00a0nmol\/l. In a logistic regression analysis, BMI &lt;\u00a030\u00a0kg\/m<jats:sup>2<\/jats:sup>, blood sampling in summer season, eating pilot whale blubber more than once per month and female sex were positively associated with vitamin D levels &gt;80\u00a0nmol\/l. The high prevalence of low vitamin D levels among the elderly Faroese population reflects the low skin synthesis during most months of the year, which is caused by the limited sun exposure and insufficient benefits from marine diet. Thus, even in a population with a high intake of marine food, the northern latitude causes a low vitamin D status. Efforts to improve vitamin D status in this population are warranted.<\/jats:p>","DOI":"10.1017\/s0007114510001509","type":"journal-article","created":{"date-parts":[[2010,5,5]],"date-time":"2010-05-05T04:36:38Z","timestamp":1273034198000},"page":"914-918","source":"Crossref","is-referenced-by-count":30,"title":["High latitude and marine diet: vitamin D status in elderly Faroese"],"prefix":"10.1017","volume":"104","author":[{"given":"Christine","family":"Dalg\u00e5rd","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maria Skaalum","family":"Petersen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anne 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