Document Detail

Validity and reliability of an omega-3 fatty acid food frequency questionnaire for first-generation Midwestern Latinas.
MedLine Citation:
PMID:  20851309     Owner:  NLM     Status:  MEDLINE    
This study tested the hypothesis that a culturally developed omega-3 (n-3) fatty acid food frequency questionnaire (FFQ) could be an accurate instrument to capture n-3 fatty acid food intakes of first-generation Midwestern Latinas. The goal of the study was to assess validity and test-retest reliability of an FFQ to estimate total n-3 fatty acid (total n-3), α-linolenic acid (ALA), eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA) intakes. An n-3 FFQ was developed and pilot tested. Two FFQs and 3 nonconsecutive 24-hour recalls were collected from 162 participants. Pearson correlation and paired t test were used to test the hypothesis. Correlation of the 2 FFQs was 0.71 for total n-3, 0.65 for ALA, 0.74 for EPA, and 0.54 for DHA (P < .01). The means of the 2 FFQs and of the 24-hour recalls were not significantly different for total n-3 and ALA (P > .05), but were significantly different for EPA and DHA. The n-3 FFQ had acceptable reliability, validated only total n-3 and ALA, and provided relevant findings about the n-3 eating habits of Midwestern Latinas.
Karina R Lora; Nancy M Lewis; Kent M Eskridge; Kaye Stanek-Krogstrand; Paula Ritter-Gooder
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Validation Studies    
Journal Detail:
Title:  Nutrition research (New York, N.Y.)     Volume:  30     ISSN:  1879-0739     ISO Abbreviation:  Nutr Res     Publication Date:  2010 Aug 
Date Detail:
Created Date:  2010-09-20     Completed Date:  2011-01-31     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8303331     Medline TA:  Nutr Res     Country:  United States    
Other Details:
Languages:  eng     Pagination:  550-7     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 Elsevier Inc. All rights reserved.
Center for Public Health and Health Policy, University of Connecticut, CT, USA.
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MeSH Terms
Cultural Competency*
Diet Surveys
Docosahexaenoic Acids / administration & dosage*
Eicosapentaenoic Acid / administration & dosage*
Emigrants and Immigrants
Hispanic Americans*
Questionnaires* / standards
Reproducibility of Results
United States
alpha-Linolenic Acid / administration & dosage*
Reg. No./Substance:
1553-41-9/Eicosapentaenoic Acid; 25167-62-8/Docosahexaenoic Acids; 463-40-1/alpha-Linolenic Acid

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