Document Detail

Validation of an Australian electronic food frequency questionnaire to measure polyunsaturated fatty acid intake.
MedLine Citation:
PMID:  20869207     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To develop and validate a simple non-invasive method that estimates the intakes of omega-3 and omega-6 polyunsaturated fatty acids (PUFA) in a healthy adult population.
METHODS: A new electronic PUFA food frequency questionnaire (FFQ) was validated by comparison with a 3-d weighed food record and blood biomarkers (erythrocytes and plasma) using the method of triads model and tested for reproducibility. Healthy subjects were recruited from the local Illawarra Region, New South Wales, Australia.
RESULTS: The PUFA FFQ adequately estimated intakes for eicosapentaenoic acid, docosahexaenoic acid, total long chain omega-3 PUFA, linoleic acid, total omega-6 PUFA, and total PUFA, which were comparable with results from the 3-d food record. Eicosapentaenoic acid, docosahexaenoic acid, and total long chain omega-3 showed high validity coefficients for erythrocytes (and plasma) 0.92 (0.87), 0.69 (0.64), and 0.78 (0.73) (P < 0.05), respectively. Spearman's rank correlation coefficients ranged from 0.48 to 0.76 when the PUFA FFQ was tested for reproducibility (P < 0.05).
CONCLUSION: The electronic PUFA questionnaire was found to be reproducible and is a valid tool to assess PUFA intakes in a healthy adult population.
Monika Swierk; Peter G Williams; Jennifer Wilcox; Kenneth G Russell; Barbara J Meyer
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Validation Studies     Date:  2010-09-24
Journal Detail:
Title:  Nutrition (Burbank, Los Angeles County, Calif.)     Volume:  27     ISSN:  1873-1244     ISO Abbreviation:  Nutrition     Publication Date:  2011 Jun 
Date Detail:
Created Date:  2011-05-09     Completed Date:  2011-08-26     Revised Date:  2013-05-24    
Medline Journal Info:
Nlm Unique ID:  8802712     Medline TA:  Nutrition     Country:  United States    
Other Details:
Languages:  eng     Pagination:  641-6     Citation Subset:  IM    
Copyright Information:
Copyright © 2011 Elsevier Inc. All rights reserved.
School of Health Sciences, University of Wollongong, New South Wales, Australia.
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MeSH Terms
Attitude to Computers
Biological Markers / blood
Diet Records
Diet Surveys / methods*
Erythrocytes / metabolism
Fatty Acids, Omega-3 / administration & dosage,  blood
Fatty Acids, Omega-6 / administration & dosage,  blood
Fatty Acids, Unsaturated / administration & dosage*,  blood
Middle Aged
New South Wales
Reproducibility of Results
Statistics as Topic
Young Adult
Reg. No./Substance:
0/Biological Markers; 0/Fatty Acids, Omega-3; 0/Fatty Acids, Omega-6; 0/Fatty Acids, Unsaturated
Comment In:
Nutrition. 2013 May;29(5):807-8   [PMID:  23582079 ]
Nutrition. 2013 May;29(5):808-9   [PMID:  23582080 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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