Document Detail

Children's estimates of food portion size: the development and evaluation of three portion size assessment tools for use with children.
MedLine Citation:
PMID:  17697426     Owner:  NLM     Status:  MEDLINE    
A number of methods have been developed to assist subjects in providing an estimate of portion size but their application in improving portion size estimation by children has not been investigated systematically. The aim was to develop portion size assessment tools for use with children and to assess the accuracy of children's estimates of portion size using the tools. The tools were food photographs, food models and an interactive portion size assessment system (IPSAS). Children (n 201), aged 4-16 years, were supplied with known quantities of food to eat, in school. Food leftovers were weighed. Children estimated the amount of each food using each tool, 24 h after consuming the food. The age-specific portion sizes represented were based on portion sizes consumed by children in a national survey. Significant differences were found between the accuracy of estimates using the three tools. Children of all ages performed well using the IPSAS and food photographs. The accuracy and precision of estimates made using the food models were poor. For all tools, estimates of the amount of food served were more accurate than estimates of the amount consumed. Issues relating to reporting of foods left over which impact on estimates of the amounts of foods actually consumed require further study. The IPSAS has shown potential for assessment of dietary intake with children. Before practical application in assessment of dietary intake of children the tool would need to be expanded to cover a wider range of foods and to be validated in a 'real-life' situation.
E Foster; J N S Matthews; J Lloyd; L Marshall; J C Mathers; M Nelson; K L Barton; W L Wrieden; P Cornelissen; J Harris; A J Adamson
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Publication Detail:
Type:  Evaluation Studies; Journal Article; Research Support, Non-U.S. Gov't     Date:  2007-08-15
Journal Detail:
Title:  The British journal of nutrition     Volume:  99     ISSN:  0007-1145     ISO Abbreviation:  Br. J. Nutr.     Publication Date:  2008 Jan 
Date Detail:
Created Date:  2007-12-18     Completed Date:  2008-05-16     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0372547     Medline TA:  Br J Nutr     Country:  England    
Other Details:
Languages:  eng     Pagination:  175-84     Citation Subset:  IM    
Human Nutrition Research Centre, School of Clinical Medical Sciences, Newcastle University, Room M1151, 1st Floor, William Leech Building, Framlington Place, Newcastle upon Tyne, NE2 4HH, UK.
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MeSH Terms
Age Factors
Analysis of Variance
Child, Preschool
Diet Surveys*
Energy Intake
Equipment Design
Household Articles
Size Perception / physiology*

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

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