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An evaluation of portion size estimation aids: precision, ease of use and likelihood of future use

Faulkner, Gemma P, Livingstone, Barbara, Pourshahidi, Kirsty, Spence, Michelle, Dean, Moira, O’Brien, Sinead, Gibney, Eileen R, Wallace, Julie MW, McCaffrey, Tracy A and Kerr, Maeve (2016) An evaluation of portion size estimation aids: precision, ease of use and likelihood of future use. Public Health Nutrition, 19 (13). pp. 2377-2387. [Journal article]

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URL: http://dx.doi.org/10.1017/S1368980016000082

DOI: 10.1017/S1368980016000082


Objective: The present study aimed to evaluate the precision, ease of use and likelihood of future use of portion size estimation aids (PSEA).Design: A range of PSEA were used to estimate the serving sizes of a range of commonly eaten foods and rated for ease of use and likelihood of future usage.Setting: For each food, participants selected their preferred PSEA from a range of options including: quantities and measures; reference objects; measuring; and indicators on food packets. These PSEA were used to serve out various foods (e.g. liquid, amorphous, and composite dishes). Ease of use and likelihood of future use were noted. The foods were weighed to determine the precision of each PSEA.Subjects: Males and females aged 18–64 years (n 120).Results: The quantities and measures were the most precise PSEA (lowest range of weights for estimated portion sizes). However, participants preferred household measures (e.g. 200 ml disposable cup) – deemed easy to use (median rating of 5), likely to use again in future (all scored either 4 or 5 on a scale from 1=‘not very likely’ to 5=‘very likely to use again’) and precise (narrow range of weights forestimated portion sizes). The majority indicated they would most likely use the PSEA preparing a meal (94 %), particularly dinner (86 %) in the home (89 %; all P<0·001) for amorphous grain foods.Conclusions: Household measures may be precise, easy to use and acceptable aids for estimating the appropriate portion size of amorphous grain foods.

Item Type:Journal article
Keywords:Portion size; Obesity; Consumer; Energy intake
Faculties and Schools:Faculty of Life and Health Sciences > School of Biomedical Sciences
Faculty of Life and Health Sciences
Research Institutes and Groups:Biomedical Sciences Research Institute > Nutrition Innovation Centre for Food and Health (NICHE)
Biomedical Sciences Research Institute
ID Code:33410
Deposited By: Dr Kirsty Pourshahidi
Deposited On:15 Mar 2016 15:09
Last Modified:20 Jul 2017 15:28

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