High latitude and marine diet: vitamin D status in elderly Faroese
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 fishin...
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ftharvardudash:oai:dash.harvard.edu:1/34776468 2023-05-15T16:10:59+02:00 High latitude and marine diet: vitamin D status in elderly Faroese Dalgård, Christine Petersen, Maria Skaalum Schmedes, Anne V. Brandslund, Ivan Weihe, Pal Grandjean, Philippe 2010 application/pdf http://nrs.harvard.edu/urn-3:HUL.InstRepos:34776468 https://doi.org/10.1017/S0007114510001509 en_US eng Cambridge University Press (CUP) 10.1017/S0007114510001509 British Journal of Nutrition Quick submit: 2017-09-21T13:29:01-0400 Dalgård, Christine, Maria Skaalum Petersen, Anne V. Schmedes, Ivan Brandslund, Pal Weihe, and Philippe Grandjean. 2010. “High Latitude and Marine Diet: Vitamin D Status in Elderly Faroese.” British Journal of Nutrition 104 (06) (May 5): 914–918. doi:10.1017/s0007114510001509. http://dx.doi.org/10.1017/S0007114510001509. 0007-1145 http://nrs.harvard.edu/urn-3:HUL.InstRepos:34776468 doi:10.1017/S0007114510001509 Journal Article 2010 ftharvardudash https://doi.org/10.1017/S0007114510001509 https://doi.org/10.1017/s0007114510001509 2022-04-05T18:38:50Z 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 70–74 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 D3 (S-25(OH)D3) by LC-MS/MS in 669 of the 713 subjects in whom sufficient serum was available. Of the population, 19 % had S-25(OH)D3 concentrations ,25 nmol/l, and only 10·3 % of the population had S-25(OH)D3 concentrations .80 nmol/l. In a logistic regression analysis, BMI ,30 kg/m2, blood sampling in summer season, eating pilot whale blubber more than once per month and female sex were positively associated with vitamin D levels .80 nmol/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. Version of Record Article in Journal/Newspaper Faroe Islands Harvard University: DASH - Digital Access to Scholarship at Harvard Faroe Islands British Journal of Nutrition 104 6 914 918 |
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Harvard University: DASH - Digital Access to Scholarship at Harvard |
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ftharvardudash |
language |
English |
description |
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 70–74 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 D3 (S-25(OH)D3) by LC-MS/MS in 669 of the 713 subjects in whom sufficient serum was available. Of the population, 19 % had S-25(OH)D3 concentrations ,25 nmol/l, and only 10·3 % of the population had S-25(OH)D3 concentrations .80 nmol/l. In a logistic regression analysis, BMI ,30 kg/m2, blood sampling in summer season, eating pilot whale blubber more than once per month and female sex were positively associated with vitamin D levels .80 nmol/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. Version of Record |
format |
Article in Journal/Newspaper |
author |
Dalgård, Christine Petersen, Maria Skaalum Schmedes, Anne V. Brandslund, Ivan Weihe, Pal Grandjean, Philippe |
spellingShingle |
Dalgård, Christine Petersen, Maria Skaalum Schmedes, Anne V. Brandslund, Ivan Weihe, Pal Grandjean, Philippe High latitude and marine diet: vitamin D status in elderly Faroese |
author_facet |
Dalgård, Christine Petersen, Maria Skaalum Schmedes, Anne V. Brandslund, Ivan Weihe, Pal Grandjean, Philippe |
author_sort |
Dalgård, Christine |
title |
High latitude and marine diet: vitamin D status in elderly Faroese |
title_short |
High latitude and marine diet: vitamin D status in elderly Faroese |
title_full |
High latitude and marine diet: vitamin D status in elderly Faroese |
title_fullStr |
High latitude and marine diet: vitamin D status in elderly Faroese |
title_full_unstemmed |
High latitude and marine diet: vitamin D status in elderly Faroese |
title_sort |
high latitude and marine diet: vitamin d status in elderly faroese |
publisher |
Cambridge University Press (CUP) |
publishDate |
2010 |
url |
http://nrs.harvard.edu/urn-3:HUL.InstRepos:34776468 https://doi.org/10.1017/S0007114510001509 |
geographic |
Faroe Islands |
geographic_facet |
Faroe Islands |
genre |
Faroe Islands |
genre_facet |
Faroe Islands |
op_relation |
10.1017/S0007114510001509 British Journal of Nutrition Quick submit: 2017-09-21T13:29:01-0400 Dalgård, Christine, Maria Skaalum Petersen, Anne V. Schmedes, Ivan Brandslund, Pal Weihe, and Philippe Grandjean. 2010. “High Latitude and Marine Diet: Vitamin D Status in Elderly Faroese.” British Journal of Nutrition 104 (06) (May 5): 914–918. doi:10.1017/s0007114510001509. http://dx.doi.org/10.1017/S0007114510001509. 0007-1145 http://nrs.harvard.edu/urn-3:HUL.InstRepos:34776468 doi:10.1017/S0007114510001509 |
op_doi |
https://doi.org/10.1017/S0007114510001509 https://doi.org/10.1017/s0007114510001509 |
container_title |
British Journal of Nutrition |
container_volume |
104 |
container_issue |
6 |
container_start_page |
914 |
op_container_end_page |
918 |
_version_ |
1765996103037091840 |