Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/44738
Title: Dietary assessment methods on n-3 fatty acid intake: a systematic review
Authors: Øverby, Nina C.
Serra-Majem, Lluis 
Andersen, Lene Frost
UNESCO Clasification: 3206 Ciencias de la nutrición
Keywords: Omega 3 Fatty Acids
Dietary Assessment Methods
Issue Date: 2009
Journal: British Journal of Nutrition 
Abstract: In order to assess nutritional adequacy, valid estimates of nutrient intake are required. Specifically, the EURopean micronutrient RECommendations Aligned (EURRECA) Network of Excellence needs clear guidelines for assessing the validity of reported micronutrient intakes and n-3 fatty acid (FA) intakes. The aim of the present study was to review the validity of methods used to measure the usual n-3 FA intake of a Population. A systematic literature search was conducted for studies validating the methodology used for measuring the dietary intake of n-3 FA. The quality of the validation studies and the quality of the different dietary assessment methods were assessed using scoring systems developed by EURRECA. Fourteen papers, describing twenty studies, were identified for inclusion. According to the score system developed by EURRECA, all the studies were ranked as average, except two that were ranked as poor. The correlation coefficients between FA in subcutaneous fat and dietary intake of n-3 FA from four FFQ, one weighed record and one 24-h recall ranged between 0.40 and 0.60. Correlations between intake of n-3 FA from five FFQ, one dietary history and three weighed records and blood lipids were similar to the ones observed for subcutaneous fat. The summarised quality of the n-3 FA estimates derived from the FFQ was judged as good or acceptable according to the EURRECA scoring system. The literature describes subcutaneous fat as the best reference method, and the studies where this was used had moderate correlation coefficients and no dietary intake method was superior to any other.
URI: http://hdl.handle.net/10553/44738
ISSN: 0007-1145
DOI: 10.1017/S000711450999314X
Source: British Journal of Nutrition [ISSN 0007-1145], v. 102 (sup. 1), p. S56-S63, (Diciembre 2009)
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