| Validation of the folate food frequency questionnaire with serum and erythrocyte folate and plasma homocysteine. | |
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MedLine Citation:
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PMID: 19184765 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The aim of the present study was to develop and validate a folate food frequency questionnaire (FFQ)1 designed to measure dietary folate equivalents. The self-administered FFQ containing 39 items and a reference period of 1 month (i.e. the previous month), was validated against three biomarkers: serum and erythrocyte (RBC) folate, and plasma homocysteine (Hcy). Subjects were women (n=99) between the ages of 21 and 87 years. The Pearson correlation coefficients for folate intake and biomarkers were 0.36, 0.34 and -0.25 for serum and RBC folate, and plasma Hcy, respectively. A principal component factor analysis was performed on the three biomarkers to calculate the folate status factor. The Pearson correlation for the folate status factor and folate intake was 0.39. The FFQ described in this study is a valid tool for measuring folate intake expressed as dietary folate equivalents in adult women and is suitable for future investigations about the relationship between folate and disease, or as an educational tool. |
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Authors:
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Irena Coli? Bari?; Zvonimir Satali?; Irena Keser; Ivana Ceci?; Martina Suci? |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't; Validation Studies Date: 2009-01-30 |
Journal Detail:
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Title: International journal of food sciences and nutrition Volume: 60 Suppl 5 ISSN: 1465-3478 ISO Abbreviation: Int J Food Sci Nutr Publication Date: 2009 |
Date Detail:
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Created Date: 2009-09-16 Completed Date: 2010-07-01 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9432922 Medline TA: Int J Food Sci Nutr Country: England |
Other Details:
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Languages: eng Pagination: 10-8 Citation Subset: IM |
Affiliation:
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Laboratory for Food Chemistry and Nutrition, Faculty of Food Technology and Biotechnology, University of Zagreb, Zagreb, Croatia. icolic@pbf.hr |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Aged, 80 and over Biological Markers / blood Body Mass Index Croatia Diet* Diet Surveys* Erythrocytes / chemistry* Female Folic Acid / administration & dosage, blood* Folic Acid Deficiency* / blood, diagnosis, epidemiology Homocysteine / blood* Humans Middle Aged Nutritional Status Principal Component Analysis Questionnaires Young Adult |
| Chemical | |
Reg. No./Substance:
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0/Biological Markers; 454-28-4/Homocysteine; 59-30-3/Folic Acid |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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