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Evaluation of food and nutrient intake assessment using concentration biomarkers in European adolescents from the HELENA study
Scientific Institute of Public Health, J. Wytsmanstraat 14, 1050 Brussels.
University of Wageningen, Department of Nutrition, Wageningen, The Netherlands.
Facultad de Ciencias de la Actividad Física y del Deporte, Universidad Politécnica de Madrid.
University of Wageningen, Department of Nutrition, Wageningen, The Netherlands.
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2013 (English)In: British Journal of Nutrition, ISSN 0007-1145, E-ISSN 1475-2662, Vol. 109, no 4, p. 736-747Article in journal (Refereed) Published
Abstract [en]

Accurate food and nutrient intake assessment is essential for investigating diet-disease relationships. In the present study, food and nutrient intake assessment among European adolescents using 24 h recalls (mean of two recalls) and a FFQ (separately and the combination of both) were evaluated using concentration biomarkers. Biomarkers included were vitamin C, β-carotene, DHA+EPA, vitamin B12 (cobalamin and holo-transcobalamin) and folate (erythrocyte folate and plasma folate). For the evaluation of the food intake assessment 390 adolescents were included, while 697 were included for the nutrient intake assessment evaluation. Spearman rank and Pearson correlations, and validity coefficients, which are correlations between intake estimated and habitual true intake, were calculated. Correlations were higher between frequency of food consumption (from the FFQ) and concentration biomarkers than between mean food intake (from the recalls) and concentration biomarkers, especially for DHA+EPA (r 0·35 v. r 0·27). Most correlations were higher among girls than boys. For boys, the highest validity coefficients were found for frequency of fruit consumption (0·88) and for DHA+EPA biomarker (0·71). In girls, the highest validity coefficients were found for fruit consumption frequency (0·76), vegetable consumption frequency (0·74), mean fruit intake (0·90) and DHA+EPA biomarker (0·69). After exclusion of underreporters, correlations slightly improved. Correlations between usual food intakes, adjusted for food consumption frequency, and concentration biomarkers were higher than correlations between mean food intakes and concentration biomarkers. In conclusion, two non-consecutive 24 h recalls in combination with a FFQ seem to be appropriate to rank subjects according to their usual food intake

Place, publisher, year, edition, pages
2013. Vol. 109, no 4, p. 736-747
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Medical and Health Sciences
Identifiers
URN: urn:nbn:se:mdh:diva-13911DOI: 10.1017/S0007114512002012ISI: 000320227500018PubMedID: 22617187Scopus ID: 2-s2.0-84885777424OAI: oai:DiVA.org:mdh-13911DiVA, id: diva2:471561
Available from: 2012-01-02 Created: 2012-01-02 Last updated: 2019-06-26Bibliographically approved

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Hallström, Lena

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