Document Detail


Validity and reliability of a behavior-based food coding system for measuring fruit, 100% fruit juice, vegetable, and sweetened beverage consumption: results from the Girls Health Enrichment Multisite Studies.
MedLine Citation:
PMID:  15072856     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: This paper presents the rationale, reliability, and validity of a behavior-based food coding system for measuring fruit (F), juice (J), vegetable (V), sweetened beverage, and water consumption in children. METHODS: Coding algorithms for FJV, sweetened beverages, and water were developed for use with the Nutrition Data System for Research (NDS-R). Two hundred and ten 8- to 10-year-old African American girls at four field centers completed two 24-h dietary recalls at baseline and at 12 weeks follow-up after a weight gain prevention intervention. Differences in mean baseline consumption of selected food variables and other selected nutrients across the four field centers were analyzed. Intraclass correlation coefficients (ICCs) for reliability across 2 days of food recalls and 12-week test-retest reliability correlations were calculated. For the purposes of this paper, nutrient intake estimates were considered construct validators of food intake, and validity was assessed by correlating the coded food variable servings with nutrient intake. RESULTS: ICCs varied from zero (0.001 for beta carotene equivalents) to moderate (0.44 for sucrose), indicating substantial instability in consumption or reporting. Twelve-week test-retest correlations were slight to moderate (0.09 for lycopene to 0.49 for folate). FJV consumption was negatively related to percent energy from fat (r = -0.28; P = 0.001) and positively related to other nutrients. Sweetened beverage consumption was positively related to energy, sucrose, fructose, and vitamin C consumption. CONCLUSIONS: This behavior-based food coding system demonstrated construct validity among 8- to 10-year-old African American girls and can measure the desired food groups.
Authors:
Karen W Cullen; John H Himes; Tom Baranowski; Janet Pettit; Mary Stevens; Deborah Leachman Slawson; Eva Obarzanek; Maureen Murtaugh; Donna Matheson; Wanjie Sun; James Rochon
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Publication Detail:
Type:  Evaluation Studies; Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Preventive medicine     Volume:  38 Suppl     ISSN:  0091-7435     ISO Abbreviation:  Prev Med     Publication Date:  2004 May 
Date Detail:
Created Date:  2004-04-09     Completed Date:  2004-07-22     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0322116     Medline TA:  Prev Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  S24-33     Citation Subset:  IM    
Affiliation:
Department of Pediatrics, Children's Nutrition Research Center, Baylor College of Medicine, Houston, TX 77030-2600, USA. kcullen@bcm.tmc.edu
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MeSH Terms
Descriptor/Qualifier:
African Americans
Analysis of Variance
Beverages
Child
Data Collection / methods*
Energy Intake*
Female
Food Habits*
Fruit
Humans
Multicenter Studies as Topic / statistics & numerical data
Nutrition Assessment*
Obesity / prevention & control
Randomized Controlled Trials as Topic / statistics & numerical data
Reproducibility of Results
Statistics, Nonparametric
United States
Vegetables
Grant Support
ID/Acronym/Agency:
U01 HL62662/HL/NHLBI NIH HHS; U01 HL62663/HL/NHLBI NIH HHS; U01 HL62668/HL/NHLBI NIH HHS; U01 HL62732/HL/NHLBI NIH HHS; U01 HL65160/HL/NHLBI NIH HHS

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


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