Emma Foster|J. N. S. Matthews|John W. Lloyd|Lucy Marshall|John C. Mathers|M. Nelson|Karen Barton|W. L. Wrieden|Piers L. Cornelissen|Julie M. Harris|Ashley J. Adamson
Children's estimates of food portion size: the development and evaluation of three portion size assessment tools for use with children
Newcastle University|Newcastle University|Newcastle University|Newcastle University|Newcastle University|King's College London|University of Dundee|University of Dundee|Newcastle University|University of St Andrews|Newcastle University
number methods developed assist subjects providing estimate portion size application improving portion size estimation children investigated systematically aim develop portion size assessment tools use children assess accuracy childrens estimates portion size using tools tools food photographs food models interactive portion size assessment system ipsas children n 201 aged 416 years supplied known quantities food eat school food leftovers weighed children estimated amount food using tool 24 h consuming food agespecific portion sizes represented based portion sizes consumed children national survey significant differences found accuracy estimates using three tools children ages performed well using ipsas food photographs accuracy precision estimates made using food models poor tools estimates amount food served accurate estimates amount consumed issues relating reporting foods left impact estimates amounts foods actually consumed require study ipsas shown potential assessment dietary intake children practical application assessment dietary intake children tool would need expanded cover wider range foods validated reallife situation