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A randomized controlled trial of an appearance-based dietary intervention

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2013_09649_001.pdf (216.3Kb)
Date
2014
Author
Whitehead, Ross David
Ozakinci, Gozde
Perrett, David Ian
Keywords
Fruit and vegetables
Diet
Appearance-based intervention
Skin colour
Cartenoids
RA0421 Public health. Hygiene. Preventive Medicine
BF Psychology
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Abstract
Objective: Inadequate fruit and vegetable consumption precipitates preventable morbidity and mortality. The efficacy of an appearance-based dietary intervention was investigated, which illustrates the beneficial effect that fruit and vegetable consumption has on skin appearance. Methods: Participants were randomly allocated to three groups receiving information-only or a generic or own-face appearance-based intervention. Diet was recorded at baseline and 10 weekly follow-ups. Participants in the generic and own-face intervention groups witnessed on-screen stimuli and received printed photographic materials to illustrate the beneficial effect of fruit and vegetable consumption on skin color. Results: Controlling for baseline diet, a significant effect of intervention group was found on self-reported fruit and vegetable intake among 46 completers who were free of medical and personal reasons preventing diet change. The own-face appearance-based intervention group reported a significant, sustained improvement in fruit and vegetable consumption whereas the information-only and generic appearance-based intervention groups reported no significant dietary changes. Conclusions: Seeing the potential benefits of fruit and vegetable consumption on own skin color may motivate dietary improvement.
Citation
Whitehead , R D , Ozakinci , G & Perrett , D I 2014 , ' A randomized controlled trial of an appearance-based dietary intervention ' , Health Psychology , vol. 33 , no. 1 , pp. 99-102 . https://doi.org/10.1037/a0032322
Publication
Health Psychology
Status
Peer reviewed
DOI
https://doi.org/10.1037/a0032322
ISSN
0278-6133
Type
Journal article
Rights
© 2013 American Psychological Association. This article was made open access through BIS OA funding.
Collections
  • University of St Andrews Research
URI
http://hdl.handle.net/10023/3891

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