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Calcium and vitamin D dietary intakes in a urban sample of Portuguese women [Ingestão de cálcio e vitamina D numa amostra urbana de mulheres Portuguesas]

Title
Calcium and vitamin D dietary intakes in a urban sample of Portuguese women [Ingestão de cálcio e vitamina D numa amostra urbana de mulheres Portuguesas]
Type
Article in International Scientific Journal
Year
2005
Authors
Costa, L
(Author)
Other
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Barros H
(Author)
FMUP
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Journal
Title: Arquivos de MedicinaImported from Authenticus Search for Journal Publications
Vol. 19 No. 4
Initial page: 7
ISSN: 0871-3413
Indexing
Other information
Authenticus ID: P-007-EYA
Abstract (EN): Introduction: Dietary intakes and supplementation with calcium and vitamin D have been evaluated as determinants in risk reduction for a number of common chronic diseases in developed societies. Knowledge of exposures to these nutrients in populations can work as a basis for the establishment of preventive strategies. In this study, we present the values for dietary intakes of calcium and vitamin D in women living in Porto, Portugal, and evaluate their adequacy according to the present European recommendations. Methods: We selected a representative sample of the adult population of Porto using random digit dialling. Information on diet was provided by 1456 women, by means of a previously validated semi-quantitative food frequency questionnaire and results were compared with dietary reference intakes in the European Union. Results: The median for calcium intake ranged from 838 to 977 mg/day and the median for vitamin D intake between 2.99 and 3.73 ¿g/day. Regarding calcium, the minimum proportion of inadequacy was 41.0% in women under 30 years-old, and the maximum was 58.1 % in women aged 70 and over. Inadequacy in vitamin D intake ranged from 70.5%, in women under 30, to 96.0% in women aged between 60 and 69. There was a trend for the increase in vitamin D intake inadequacy with age (p for trend<0.001). Conclusions: A large proportion of females in Porto presented calcium and particularly vitamin D intakes below recommendations, as has been observed for other populations. Increased dietary intakes or supplementation may represent important strategies in Portugal, regarding the prevention of relevant conditions in our society. © ArquiMed, 2005.
Language: Portuguese
Type (Professor's evaluation): Scientific
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