| Comparison between omega-3 and omega-6 polyunsaturated fatty acid intakes as assessed by a food frequency questionnaire and erythrocyte membrane fatty acid composition in young children. | |
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MedLine Citation:
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PMID: 17440518 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: We conducted a dietary validation study in youth aged 1-11 years by comparing dietary intake of omega-3 and omega-6 polyunsaturated fatty acids (PUFAs) as assessed by a parent-completed semiquantitative food frequency questionnaire (FFQ) over time to erythrocyte membrane composition of the same fatty acids. DESIGN: The study population included youth aged 1-11 years who were participants in the Diabetes Autoimmunity Study in the Young (DAISY), a longitudinal study in Denver, Colorado that is following a cohort of youth at risk for developing type I diabetes. Four hundred and four children who had erythrocyte membrane fatty acid data matched to an FFQ corresponding to the same time frame for a total of 917 visits (matches) were included. PUFA intake was expressed both as g/day (adjusted for total energy) and as percent of total fat intake. We used mixed models to test the association and calculate the correlation between the erythrocyte membrane estimates and PUFA intake using all records of data for each youth. RESULTS: Intakes of total omega-3 fatty acids (beta=0.52, P<0.0001, rho=0.23) and marine PUFAs (beta=1.62, P<0.0001, rho=0.42), as a percent of total fat in the diet, were associated with percent of omega-3 and marine PUFAs in the erythrocyte membrane. Intakes of omega-6 PUFAs (beta=0.04, P=0.418, rho=0.05) and arachidonic acid (beta=0.31, P=0.774, rho=0.01) were not associated. CONCLUSIONS: In these young children, an FFQ using parental report provided estimates of average long-term intakes of marine PUFAs that correlated well with their erythrocyte cell membrane fatty acid status. |
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Authors:
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H D Orton; N J Szabo; M Clare-Salzler; J M Norris |
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Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural; Validation Studies Date: 2007-04-18 |
Journal Detail:
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Title: European journal of clinical nutrition Volume: 62 ISSN: 0954-3007 ISO Abbreviation: Eur J Clin Nutr Publication Date: 2008 Jun |
Date Detail:
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Created Date: 2008-06-05 Completed Date: 2008-10-23 Revised Date: 2011-09-26 |
Medline Journal Info:
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Nlm Unique ID: 8804070 Medline TA: Eur J Clin Nutr Country: England |
Other Details:
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Languages: eng Pagination: 733-8 Citation Subset: IM |
Affiliation:
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Department of Preventive Medicine and Biometrics, University of Colorado at Denver and Health Sciences Center, Denver, CO 80262, USA. |
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| MeSH Terms | |
Descriptor/Qualifier:
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Biological Markers
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blood Child Child, Preschool Cohort Studies Colorado Cross-Sectional Studies Diet* Diet Surveys Dietary Fats, Unsaturated / administration & dosage*, analysis Erythrocyte Membrane / chemistry* Fatty Acids, Omega-3 / administration & dosage*, analysis Fatty Acids, Omega-6 / administration & dosage*, analysis* Female Humans Infant Longitudinal Studies Male Questionnaires / standards* Reproducibility of Results Seafood Sensitivity and Specificity |
| Grant Support | |
ID/Acronym/Agency:
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DK32493/DK/NIDDK NIH HHS; P30 DK 57516/DK/NIDDK NIH HHS; P30 DK057516-019004/DK/NIDDK NIH HHS; R01 DK049654-06/DK/NIDDK NIH HHS; R01-DK49654/DK/NIDDK NIH HHS; R37 DK032493-18/DK/NIDDK NIH HHS |
| Chemical | |
Reg. No./Substance:
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0/Biological Markers; 0/Dietary Fats, Unsaturated; 0/Fatty Acids, Omega-3; 0/Fatty Acids, Omega-6 |
| Comments/Corrections | |
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