Document Detail


Comparison of a short food frequency questionnaire with the Youth/Adolescent Questionnaire in the Growing Up Today Study.
MedLine Citation:
PMID:  17763008     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
INTRODUCTION: Our purpose was to design and evaluate a shorter version of our 126-item food frequency questionnaire (long FFQ) for use with adolescents. A shorter FFQ is needed that can reliably rank research subjects according to their intakes of energy, macronutrients and selected micronutrients. METHODS: Dietary data were collected annually, for 3 years, using the full-list FFQ from 16 882 participants of the Growing Up Today Study (GUTS). From this full-list FFQ data, the top ten food contributors for energy and each macronutrient, and the top five food contributors for eight other selected micronutrients were compiled to create a 26-item (short-list) FFQ. Arithmetic means and Pearson correlations were computed to assess relationships between nutrient intakes estimated from the short- and full-list FFQs. We further compared both FFQs with three 24-hour recalls (approximately every 4 months over a 1-year period). Linear regression models were fitted, using energy and nutrients estimated from the short-list FFQ and separately from the full-list FFQ, to see how results may differ. RESULTS: As expected, mean nutrient values from the short-list FFQ were substantially below those from the full-list FFQ. Pearson correlations >0.85 between the short- and full-list FFQs were found for most nutrients. However, correlations between nutrients from the short-list FFQ and the three 24-hour recalls were lower (mean correlation =0.40) than the full-list FFQ. Linear regression models suggested that the short-list FFQ performed nearly as well as the full-list FFQ, for studying associations between energy and several nutrients (trans fatty acids, saturated fat, and glycemic load) and the non-dietary factor, TV viewing. Model betas for energy and nutrients from the short-list FFQ were slightly smaller than betas obtained from the full-list FFQ, but all were statistically significant. CONCLUSION: The short-list FFQ can assess nutrient values of a population for analytic research purposes, such as studying associations between certain dietary intakes and non-dietary factors.
Authors:
Helaine R H Rockett; Catherine S Berkey; Graham A Colditz
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Publication Detail:
Type:  Comparative Study; Evaluation Studies; Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  International journal of pediatric obesity : IJPO : an official journal of the International Association for the Study of Obesity     Volume:  2     ISSN:  1747-7166     ISO Abbreviation:  Int J Pediatr Obes     Publication Date:  2007  
Date Detail:
Created Date:  2007-08-31     Completed Date:  2007-09-18     Revised Date:  2009-11-17    
Medline Journal Info:
Nlm Unique ID:  101256330     Medline TA:  Int J Pediatr Obes     Country:  England    
Other Details:
Languages:  eng     Pagination:  31-9     Citation Subset:  IM    
Affiliation:
Channing Laboratory, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA. helaine.rockett@channing.harvard.edu
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Child
Diet*
Energy Intake
Female
Food
Humans
Linear Models
Male
Micronutrients
Questionnaires* / standards
Reproducibility of Results
Television
Time Factors
Grant Support
ID/Acronym/Agency:
DK46834/DK/NIDDK NIH HHS
Chemical
Reg. No./Substance:
0/Micronutrients

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


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