Development ofafoodfrequency questionnaire to determine vitamin k intake in anticoagulated patients: a pilot study

ABSTRACT Our aim was to develop a food frequency questionnaire (FFQ) to estimate vitamin K intake in patients receiving warfarin. We conducted a cross-sectional study. The FFQ was designed based on a literature review, and included foods containing ≥ 5 µg/100 g consumed by the study group....

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Autores principales:	Dias Mendonça,Dayana, Zuchinali,Priccila, Corrêa Souza,Gabriela
Lenguaje:	English
Publicado:	Sociedad Chilena de Nutrición, Bromatología y Toxicología 2018
Materias:	Vitamin K Surveys and Questionnaires Eating Warfarin
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-75182018000500363
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spelling	oai:scielo:S0717-751820180005003632018-12-26Development ofafoodfrequency questionnaire to determine vitamin k intake in anticoagulated patients: a pilot studyDias Mendonça,DayanaZuchinali,PriccilaCorrêa Souza,Gabriela Vitamin K Surveys and Questionnaires Eating Warfarin ABSTRACT Our aim was to develop a food frequency questionnaire (FFQ) to estimate vitamin K intake in patients receiving warfarin. We conducted a cross-sectional study. The FFQ was designed based on a literature review, and included foods containing ≥ 5 µg/100 g consumed by the study group. The correlation between the intake of vitamin K estimated by the questionnaire and habitual intake measured by two 24-hour dietary recalls was assessed, as well as correlations between FFQ, International Normalized Ratio (INR) and serum vitamin K levels. The mean intake of vitamin K, estimated by the FFQ, was 112.6± 82.7 µg/day, and the habitual dietary intake estimated by 24-hour dietary recalls was 85.1±75.5 µg/ day, with a significant correlation between both methods (r= 0.756; p< 0.001). There was no correlation between FFQ and INR (r= 0.054; p= 0.716), or between FFQ and serum vitamin K (r= -0.005; p= 0.982). The strong correlation between vitamin K intake measured by FFQ and habitual dietary intake measured by 24-hour dietary recalls suggests that the FFQ can be used to estimate vitamin K intake.info:eu-repo/semantics/openAccessSociedad Chilena de Nutrición, Bromatología y ToxicologíaRevista chilena de nutrición v.45 n.4 20182018-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-75182018000500363en10.4067/S0717-75182018000500363
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Vitamin K Surveys and Questionnaires Eating Warfarin
spellingShingle	Vitamin K Surveys and Questionnaires Eating Warfarin Dias Mendonça,Dayana Zuchinali,Priccila Corrêa Souza,Gabriela Development ofafoodfrequency questionnaire to determine vitamin k intake in anticoagulated patients: a pilot study
description	ABSTRACT Our aim was to develop a food frequency questionnaire (FFQ) to estimate vitamin K intake in patients receiving warfarin. We conducted a cross-sectional study. The FFQ was designed based on a literature review, and included foods containing ≥ 5 µg/100 g consumed by the study group. The correlation between the intake of vitamin K estimated by the questionnaire and habitual intake measured by two 24-hour dietary recalls was assessed, as well as correlations between FFQ, International Normalized Ratio (INR) and serum vitamin K levels. The mean intake of vitamin K, estimated by the FFQ, was 112.6± 82.7 µg/day, and the habitual dietary intake estimated by 24-hour dietary recalls was 85.1±75.5 µg/ day, with a significant correlation between both methods (r= 0.756; p< 0.001). There was no correlation between FFQ and INR (r= 0.054; p= 0.716), or between FFQ and serum vitamin K (r= -0.005; p= 0.982). The strong correlation between vitamin K intake measured by FFQ and habitual dietary intake measured by 24-hour dietary recalls suggests that the FFQ can be used to estimate vitamin K intake.
author	Dias Mendonça,Dayana Zuchinali,Priccila Corrêa Souza,Gabriela
author_facet	Dias Mendonça,Dayana Zuchinali,Priccila Corrêa Souza,Gabriela
author_sort	Dias Mendonça,Dayana
title	Development ofafoodfrequency questionnaire to determine vitamin k intake in anticoagulated patients: a pilot study
title_short	Development ofafoodfrequency questionnaire to determine vitamin k intake in anticoagulated patients: a pilot study
title_full	Development ofafoodfrequency questionnaire to determine vitamin k intake in anticoagulated patients: a pilot study
title_fullStr	Development ofafoodfrequency questionnaire to determine vitamin k intake in anticoagulated patients: a pilot study
title_full_unstemmed	Development ofafoodfrequency questionnaire to determine vitamin k intake in anticoagulated patients: a pilot study
title_sort	development ofafoodfrequency questionnaire to determine vitamin k intake in anticoagulated patients: a pilot study
publisher	Sociedad Chilena de Nutrición, Bromatología y Toxicología
publishDate	2018
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-75182018000500363
work_keys_str_mv	AT diasmendoncadayana developmentofafoodfrequencyquestionnairetodeterminevitaminkintakeinanticoagulatedpatientsapilotstudy AT zuchinalipriccila developmentofafoodfrequencyquestionnairetodeterminevitaminkintakeinanticoagulatedpatientsapilotstudy AT correasouzagabriela developmentofafoodfrequencyquestionnairetodeterminevitaminkintakeinanticoagulatedpatientsapilotstudy
_version_	1718443700818804736

Development ofafoodfrequency questionnaire to determine vitamin k intake in anticoagulated patients: a pilot study

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