Using photography in ‘The Restaurant of the Future’. A useful way to assess portion selection and plate cleaning?

Hinton, Elanor C., Brunstrom, Jeffrey M., Fay, Stephanie H., Wilkinson, Laura L. , Ferriday, Danielle, Rogers, Peter J., & de Wijk, Rene (2013) Using photography in ‘The Restaurant of the Future’. A useful way to assess portion selection and plate cleaning? Appetite, 63, pp. 31-35.

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Abstract

Laboratory-based studies of human dietary behaviour benefit from highly controlled conditions; however, this approach can lack ecological validity. Identifying a reliable method to capture and quantify natural dietary behaviours represents an important challenge for researchers. In this study, we scrutinised cafeteria-style meals in the ‘Restaurant of the Future.’ Self-selected meals were weighed and photographed, both before and after consumption. Using standard portions of the same foods, these images were independently coded to produce accurate and reliable estimates of (i) initial self-served portions, and (ii) food remaining at the end of the meal. Plate cleaning was extremely common; in 86% of meals at least 90% of self-selected calories were consumed. Males ate a greater proportion of their self-selected meals than did females. Finally, when participants visited the restaurant more than once, the correspondence between selected portions was better predicted by the weight of the meal than by its energy content. These findings illustrate the potential benefits of meal photography in this context. However, they also highlight significant limitations, in particular, the need to exclude large amounts of data when one food obscures another.

Impact and interest:

14 citations in Scopus
14 citations in Web of Science®
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ID Code: 57293
Item Type: Journal Article
Refereed: Yes
Keywords: Portion size , Food intake, Plate cleaning, Meal size, Food images
DOI: 10.1016/j.appet.2012.12.008
ISSN: 0195-6663
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > NUTRITION AND DIETETICS (111100) > Nutrition and Dietetics not elsewhere classified (111199)
Australian and New Zealand Standard Research Classification > PSYCHOLOGY AND COGNITIVE SCIENCES (170000) > PSYCHOLOGY (170100) > Biological Psychology (Neuropsychology Psychopharmacology Physiological Psychology) (170101)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Exercise & Nutrition Sciences
Deposited On: 14 Feb 2013 23:03
Last Modified: 12 Jun 2013 15:31

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