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- Klinische proef NCT01511484
You Are What You Eat: A Randomised Controlled Trial of an Appearance-based Dietary Intervention
Studie Overzicht
Toestand
Conditie
Studietype
Inschrijving (Werkelijk)
Fase
- Niet toepasbaar
Contacten en locaties
Studie Locaties
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Fife
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St Andrews, Fife, Verenigd Koninkrijk, KY16 9JP
- Perception Lab, School of Psychology, University of St Andrews
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Beschrijving
Inclusion Criteria:
- Student or staff member at University of St Andrews
- Has access to email account to receive link to weekly online questionnaire.
Exclusion Criteria:
- Exited study before completion
- Unable to make dietary changes due to a medical condition
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Preventie
- Toewijzing: Gerandomiseerd
- Interventioneel model: Parallelle opdracht
- Masker: Geen (open label)
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
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Experimenteel: Information-only
Selected pages from the British National Health Service (NHS) information booklets ["5 A Day, Just Eat More (fruit & veg)"; pages i, ii, 12-15, 20 & 21] and ["5 A Day, Just Eat More (fruit & veg): What's it all about?";
pages i-ii)] were provided to all participants on completion of baseline questionnaires.
The pages provided information on recommended portion sizes, meal planning, health benefits and answered frequently asked diet-related questions
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Selected pages from the British National Health Service (NHS) information booklets ["5 A Day, Just Eat More (fruit & veg)"; pages i, ii, 12-15, 20 & 21] and ["5 A Day, Just Eat More (fruit & veg): What's it all about?";
pages i-ii)] were provided to all participants on completion of baseline questionnaires.
The pages provided information on recommended portion sizes, meal planning, health benefits and answered frequently asked diet-related questions
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Experimenteel: Generic-appearance intervention
Participants in the generic appearance intervention group received images to illustrate the impact of fruit and vegetable consumption on skin appearance. Participants in this group were presented with gender congruent stimuli, constructed by averaging the facial shape and colour of four male/female faces. Participants viewed the gender-congruent set of the resulting stimuli in two forms. Firstly, after completion of baseline questionnaires, images were displayed on a computer monitor. Participants were instructed to select what they perceived as the healthiest face colour, which was recorded by the computer program over two trials. Participants in this group also received a take-home photo quality leaflet to further illustrate the effect of fruit and vegetable consumption on skin colour. |
Participants in the generic appearance intervention group received images to illustrate the impact of fruit and vegetable consumption on skin appearance. Participants in this group were presented with gender congruent stimuli, constructed by averaging the facial shape and colour of four male/female faces. Participants viewed the gender-congruent set of the resulting stimuli in two forms. Firstly, after completion of baseline questionnaires, images were displayed on a computer monitor. Participants were instructed to select what they perceived as the healthiest face colour, which was recorded by the computer program over two trials. Participants in this group also received a take-home photo quality leaflet to further illustrate the effect of fruit and vegetable consumption on skin colour. |
Experimenteel: Personalised appearance intervention
Participants in this group received stimuli manipulated in identical ways to that received by the generic appearance-intervention group, except the illustrations were performed upon images of the participant's own face.
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Participants in this group received stimuli manipulated in identical ways to that received by the generic appearance-intervention group, except the illustrations were performed upon images of the participant's own face.
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
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Fruit and vegetable consumption
Tijdsspanne: up to 10 weeks
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Participants completed a computerised food frequency questionnaire to establish fruit and vegetable consumption.
Participants were asked to retrospectively report consumption frequency of fruit juice, fruit, vegetable juice, salad, vegetable soup and vegetable items over the past seven days.
Participants reported consumption of standard portion sizes and were provided with NHS illustrations of portion size guidelines to assist estimations.
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up to 10 weeks
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Medewerkers en onderzoekers
Sponsor
Medewerkers
Onderzoekers
- Studie directeur: Ross D Whitehead, MSc, University of St Andrews
Publicaties en nuttige links
Algemene publicaties
- Stephen ID, Coetzee, V, Perrett D. Carotenoid and Melanin Pigment Coloration Affect Perceived Human Health. Evolution and Human Behaviour.32(3): 216-227. 2011.
- Stephen ID, Law Smith MJ, Stirrat MR, Perrett DI. Facial Skin Coloration Affects Perceived Health of Human Faces. Int J Primatol. 2009 Dec;30(6):845-857. doi: 10.1007/s10764-009-9380-z. Epub 2009 Oct 26.
- Whitehead RD, Ozakinci G, Stephen ID, Perrett DI. Appealing to vanity: could potential appearance improvement motivate fruit and vegetable consumption? Am J Public Health. 2012 Feb;102(2):207-11. doi: 10.2105/AJPH.2011.300405. Epub 2011 Dec 15.
- Whitehead RD, Ozakinci G, Perrett DI. A randomized controlled trial of an appearance-based dietary intervention. Health Psychol. 2014 Jan;33(1):99-102. doi: 10.1037/a0032322. Epub 2013 Mar 25.
Studie record data
Bestudeer belangrijke data
Studie start
Primaire voltooiing (Werkelijk)
Studie voltooiing (Werkelijk)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Schatting)
Updates van studierecords
Laatste update geplaatst (Schatting)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Trefwoorden
Andere studie-ID-nummers
- PerceptionLab001
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