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Relative validation of a food frequency questionnaire to estimate food intake in an adult population

Background: Scientifically valid descriptions of dietary intake at population level are crucial for investigating diet effects on health and disease. Food frequency questionnaires (FFQs) are the most common dietary tools used in large epidemiological studies. Objective: To examine the relative valid...

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Autores principales: Steinemann, Nina, Grize, Leticia, Ziesemer, Katrin, Kauf, Peter, Probst-Hensch, Nicole, Brombach, Christine
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Taylor & Francis 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5404419/
https://www.ncbi.nlm.nih.gov/pubmed/28469546
http://dx.doi.org/10.1080/16546628.2017.1305193
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author Steinemann, Nina
Grize, Leticia
Ziesemer, Katrin
Kauf, Peter
Probst-Hensch, Nicole
Brombach, Christine
author_facet Steinemann, Nina
Grize, Leticia
Ziesemer, Katrin
Kauf, Peter
Probst-Hensch, Nicole
Brombach, Christine
author_sort Steinemann, Nina
collection PubMed
description Background: Scientifically valid descriptions of dietary intake at population level are crucial for investigating diet effects on health and disease. Food frequency questionnaires (FFQs) are the most common dietary tools used in large epidemiological studies. Objective: To examine the relative validity of a newly developed FFQ to be used as dietary assessment tool in epidemiological studies. Design: Validity was evaluated by comparing the FFQ and a 4-day weighed food record (4-d FR) at nutrient and food group levels, Spearman’s correlations, Bland–Altman analysis and Wilcoxon rank sum tests were used. Fifty-six participants completed a paper format FFQ and a 4-d FR within 4 weeks. Results: Corrected correlations between the two instruments ranged from 0.27 (carbohydrates) to 0.55 (protein), and at food group level from 0.09 (soup) to 0.92 (alcohol). Nine out of 25 food groups showed correlations > 0.5, indicating moderate validity. More than half the food groups were overestimated in the FFQ, especially vegetables (82.8%) and fruits (56.3%). Water, tea and coffee were underestimated (–14.0%). Conclusions: The FFQ showed moderate relative validity for protein and the food groups fruits, egg, meat, sausage, nuts, salty snacks and beverages. This study supports the use of the FFQ as an acceptable tool for assessing nutrition as a health determinant in large epidemiological studies.
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spelling pubmed-54044192017-05-03 Relative validation of a food frequency questionnaire to estimate food intake in an adult population Steinemann, Nina Grize, Leticia Ziesemer, Katrin Kauf, Peter Probst-Hensch, Nicole Brombach, Christine Food Nutr Res Original Article Background: Scientifically valid descriptions of dietary intake at population level are crucial for investigating diet effects on health and disease. Food frequency questionnaires (FFQs) are the most common dietary tools used in large epidemiological studies. Objective: To examine the relative validity of a newly developed FFQ to be used as dietary assessment tool in epidemiological studies. Design: Validity was evaluated by comparing the FFQ and a 4-day weighed food record (4-d FR) at nutrient and food group levels, Spearman’s correlations, Bland–Altman analysis and Wilcoxon rank sum tests were used. Fifty-six participants completed a paper format FFQ and a 4-d FR within 4 weeks. Results: Corrected correlations between the two instruments ranged from 0.27 (carbohydrates) to 0.55 (protein), and at food group level from 0.09 (soup) to 0.92 (alcohol). Nine out of 25 food groups showed correlations > 0.5, indicating moderate validity. More than half the food groups were overestimated in the FFQ, especially vegetables (82.8%) and fruits (56.3%). Water, tea and coffee were underestimated (–14.0%). Conclusions: The FFQ showed moderate relative validity for protein and the food groups fruits, egg, meat, sausage, nuts, salty snacks and beverages. This study supports the use of the FFQ as an acceptable tool for assessing nutrition as a health determinant in large epidemiological studies. Taylor & Francis 2017-03-29 /pmc/articles/PMC5404419/ /pubmed/28469546 http://dx.doi.org/10.1080/16546628.2017.1305193 Text en © 2017 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. http://creativecommons.org/licenses/by/4.0/ This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Original Article
Steinemann, Nina
Grize, Leticia
Ziesemer, Katrin
Kauf, Peter
Probst-Hensch, Nicole
Brombach, Christine
Relative validation of a food frequency questionnaire to estimate food intake in an adult population
title Relative validation of a food frequency questionnaire to estimate food intake in an adult population
title_full Relative validation of a food frequency questionnaire to estimate food intake in an adult population
title_fullStr Relative validation of a food frequency questionnaire to estimate food intake in an adult population
title_full_unstemmed Relative validation of a food frequency questionnaire to estimate food intake in an adult population
title_short Relative validation of a food frequency questionnaire to estimate food intake in an adult population
title_sort relative validation of a food frequency questionnaire to estimate food intake in an adult population
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5404419/
https://www.ncbi.nlm.nih.gov/pubmed/28469546
http://dx.doi.org/10.1080/16546628.2017.1305193
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