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Título: | Evaluation of food and nutrient intake assessment using concentration biomarkers in European adolescents from the Healthy Lifestyle in Europe by Nutrition in Adolescence study. |
Autor: | Vandevijvere, S.; Díaz-Prieto, Ligia E. CSIC ORCID; Huybrechts, Inge | Palabras clave: | European adolescents Food intake Nutrient intake Biomarkers Validation studies Triads method |
Fecha de publicación: | 23-may-2012 | Editor: | Cambridge University Press | Citación: | British Journal of Nutrition 109, 736–747 (2012) | Resumen: | 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, b-carotene, DHA þ 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 þ 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 þ 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 þ 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. | Descripción: | 12 páginas, 6 tablas.- Vandevijver, S.,Díaz, L.E.,Huybrecht, I. et al | Versión del editor: | http://dx.doi.org/10.1017/S0007114512002012 | URI: | http://hdl.handle.net/10261/89830 | DOI: | 10.1017/S0007114512002012 | ISSN: | 0007-1145 | E-ISSN: | 1475-2662 |
Aparece en las colecciones: | (ICTAN) Artículos |
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