Document Detail


Evaluation of three short dietary instruments to assess fruit and vegetable intake: the National Cancer Institute's food attitudes and behaviors survey.
MedLine Citation:
PMID:  23017567     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Fruit and vegetable (F/V) intake assessment tools that are valid, reliable, brief, and easy to administer and code are vital to the field of public health nutrition.
OBJECTIVE: To evaluate three short F/V intake screeners (ie, a 2-item serving tool, a 2-item cup tool, and a 16-item F/V intake screener) among adults using multiple 24-hour dietary recalls (24-hour recalls) as the reference instrument and evaluate test-retest reliability of the screeners across a 2- to 3-week time period.
DESIGN: Validity and reliability study.
PARTICIPANTS/SETTING: Two hundred forty-four adults for the validity study and 335 adults for test-retest reliability.
STATISTICAL ANALYSES PERFORMED: Median values for F/V intakes were calculated for the screeners and 24-hour recalls. The Wilcoxon signed rank test was used to compare screeners with the 24-hour recalls. Deattenuated Pearson correlations were reported for validity and intraclass correlation coefficient used for reliability.
RESULTS: The estimated median daily servings/cups of F/V for the 2-item serving screener was lower, for the 2-item cup screener was equivalent for men but higher for women, and for the 16-item F/V intake screener were about the same when compared with 24-hour recall values. The deattenuated correlations comparing the 24-hour recalls with the screeners were positive but weak for the 2-item serving screener, and were positive and moderate in strength for the 2-item cup and 16-item F/V intake screeners. The test-retest intraclass correlation coefficients were all positive and fairly strong for all of the screeners.
CONCLUSIONS: Although dietary screeners offer a more cost-effective, less burdensome way to obtain gross estimates to rank individuals with regard to F/V intake, these methods are not recommended for assessing precise intake levels.
Authors:
Amy L Yaroch; Janet Tooze; Frances E Thompson; Heidi M Blanck; Olivia M Thompson; Uriyoan Colón-Ramos; Abdul R Shaikh; Susanne McNutt; Linda C Nebeling
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Validation Studies    
Journal Detail:
Title:  Journal of the Academy of Nutrition and Dietetics     Volume:  112     ISSN:  2212-2672     ISO Abbreviation:  J Acad Nutr Diet     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-09-28     Completed Date:  2012-12-04     Revised Date:  2013-10-17    
Medline Journal Info:
Nlm Unique ID:  101573920     Medline TA:  J Acad Nutr Diet     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1570-7     Citation Subset:  AIM; IM    
Copyright Information:
Copyright © 2012 Academy of Nutrition and Dietetics. Published by Elsevier Inc. All rights reserved.
Affiliation:
Gretchen Swanson Center for Nutrition, 505 Durham Research Plaza, Omaha, NE 68105, USA. ayaroch@centerfornutrition.org
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MeSH Terms
Descriptor/Qualifier:
Adult
Diet / statistics & numerical data*
Diet Surveys / instrumentation,  standards*
Female
Fruit*
Health Behavior
Humans
Male
Mental Recall
National Cancer Institute (U.S.)
Nutrition Assessment*
Questionnaires / standards
Reproducibility of Results
Sensitivity and Specificity
Statistics, Nonparametric
United States
Vegetables*
Grant Support
ID/Acronym/Agency:
Z99 CA999999/CA/NCI NIH HHS
Comments/Corrections

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


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