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Reliability and concurrent and construct validity of a food frequency questionnaire for pregnant women at high risk to develop fetal growth restriction

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dc.contributor.author Juton, Charlotte
dc.contributor.author Castro-Barquero, Sara
dc.contributor.author Casas, Rosa
dc.contributor.author Freitas, Tania
dc.contributor.author Ruiz-León, Ana Maria
dc.contributor.author Crovetto, Francesca
dc.contributor.author Domenech, Mónica
dc.contributor.author Crispi Brillas, Fàtima
dc.contributor.author Vieta, Eduard
dc.contributor.author Gratacós Solsona, Eduard
dc.contributor.author Estruch, Ramón
dc.contributor.author Schröder, Helmut, 1958-
dc.date.accessioned 2021-10-28T06:41:22Z
dc.date.available 2021-10-28T06:41:22Z
dc.date.issued 2021
dc.identifier.citation Juton C, Castro-Barquero S, Casas R, Freitas T, Ruiz-León AM, Crovetto F, Domenech M, Crispi F, Vieta E, Gratacós E, Estruch R, Schroder H. Reliability and concurrent and construct validity of a food frequency questionnaire for pregnant women at high risk to develop fetal growth restriction. Nutrients. 2021;13(5):1629. DOI: 10.3390/nu13051629
dc.identifier.issn 2072-6643
dc.identifier.uri http://hdl.handle.net/10230/48836
dc.description.abstract Accuracy of dietary assessment instruments such as food frequency questionnaire (FFQ) is crucial in the evaluation of diet-disease relationships. Test-retest reliability and concurrent and construct validity of a FFQ were evaluated in 150 pregnant women at high risk to develop fetal growth restriction randomly selected from those included in the improving mothers for better prenatal care trial Barcelona (IMPACT BCN). The FFQ and dietary records were performed at baseline and 34-36 weeks of gestation. Test-retest reliability of the FFQ for 12 food groups and 17 nutrients was moderate (ICC = 0.55) and good (ICC = 0.60), respectively. Concurrent validity between food, nutrients and a composite Mediterranean diet score (MedDiet score) and food records was fair for foods and nutrients (ρ average = 0.38 and 0.32, respectively) and moderate (r = 0.46) for the MedDiet score. Validation with biological markers ranged from poor (r = 0.07) for olives to moderate (r = 0.41) for nuts. A fair concordance between methods were found for nutrients (weighted κ = 0.22) and foods (weighted κ = 0.27). The FFQ-derived MedDiet score correlated in anticipated directions with intakes of nutrients and foods derived by food records. The FFQ showed a moderate test-retest reliability and reasonable validity to rank women according to their food and nutrient consumption and adherence to the Mediterranean diet.
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher MDPI
dc.relation.ispartof Nutrients. 2021;13(5):1629
dc.rights © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
dc.rights.uri http://creativecommons.org/licenses/by/4.0/
dc.title Reliability and concurrent and construct validity of a food frequency questionnaire for pregnant women at high risk to develop fetal growth restriction
dc.type info:eu-repo/semantics/article
dc.identifier.doi http://dx.doi.org/10.3390/nu13051629
dc.subject.keyword Mediterranean diet
dc.subject.keyword Fetal growth restriction
dc.subject.keyword Food frequency questionnaire
dc.subject.keyword Pregnancy
dc.subject.keyword Reliability
dc.subject.keyword Validity
dc.rights.accessRights info:eu-repo/semantics/openAccess
dc.type.version info:eu-repo/semantics/publishedVersion

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