Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 537620
Title Validating fatty acid intake as estimated by an FFQ : how does the 24 h recall perform as reference method compared with the duplicate portion?
Author(s) Trijsburg, Laura; Vries, Jeanne H.M. de; Hollman, Peter C.H.; Hulshof, Paul J.M.; ’t Veer, Pieter van; Boshuizen, Hendriek C.; Geelen, Anouk
Source Public Health Nutrition 21 (2018)14. - ISSN 1368-9800 - p. 2568 - 2574.
Department(s) Human Nutrition (HNE)
Chair Nutrition and Health over the Lifecourse
Chair Nutrition and Disease
Publication type Refereed Article in a scientific journal
Publication year 2018
Availibility Full text available from 2019-05-08
Keyword(s) Biomarker - Dietary assessment - Duplicate portion - Fatty acids - Measurement errors - Validity

Objective: To compare the performance of the commonly used 24 h recall (24hR) with the more distinct duplicate portion (DP) as reference method for validation of fatty acid intake estimated with an FFQ. Design: Intakes of SFA, MUFA, n-3 fatty acids and linoleic acid (LA) were estimated by chemical analysis of two DP and by on average five 24hR and two FFQ. Plasma n-3 fatty acids and LA were used to objectively compare ranking of individuals based on DP and 24hR. Multivariate measurement error models were used to estimate validity coefficients and attenuation factors for the FFQ with the DP and 24hR as reference methods. Setting: Wageningen, the Netherlands. Subjects: Ninety-two men and 106 women (aged 20–70 years). Results: Validity coefficients for the fatty acid estimates by the FFQ tended to be lower when using the DP as reference method compared with the 24hR. Attenuation factors for the FFQ tended to be slightly higher based on the DP than those based on the 24hR as reference method. Furthermore, when using plasma fatty acids as reference, the DP showed comparable to slightly better ranking of participants according to their intake of n-3 fatty acids (0·33) and n-3:LA (0·34) than the 24hR (0·22 and 0·24, respectively). Conclusions: The 24hR gives only slightly different results compared with the distinctive but less feasible DP, therefore use of the 24hR seems appropriate as the reference method for FFQ validation of fatty acid intake.

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