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You Are What You Eat: A Randomised Controlled Trial of an Appearance-based Dietary Intervention

12 januari 2012 uppdaterad av: David Perrett, Perception Lab
This study investigated whether illustration of the facial appearance benefits of fruit and vegetable consumption is able to motivate increased intake of this food group. The investigators hypothesize that individuals witnessing illustrations of the impact of a healthy diet will exhibit improvements in diet relative to a control group receiving only information on the health-benefits of this food group.

Studieöversikt

Status

Avslutad

Betingelser

Intervention / Behandling

Studietyp

Interventionell

Inskrivning (Faktisk)

73

Fas

  • Inte tillämpbar

Kontakter och platser

Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.

Studieorter

  • Storbritannien
    • Fife
      • St Andrews, Fife, Storbritannien, KY16 9JP
        • Perception Lab, School of Psychology, University of St Andrews

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

18 år till 61 år (Vuxen)

Tar emot friska volontärer

Ja

Kön som är behöriga för studier

Allt

Beskrivning

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

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Primärt syfte: Förebyggande
  • Tilldelning: Randomiserad
  • Interventionsmodell: Parallellt uppdrag
  • Maskning: Ingen (Open Label)

Vapen och interventioner

Deltagargrupp / Arm
Intervention / Behandling
Experimentell: 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
Beteende: 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
Experimentell: 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.
Beteende: 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.
Experimentell: 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.
Beteende: 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.

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Fruit and vegetable consumption
Tidsram: up to 10 weeks
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.
up to 10 weeks

Samarbetspartners och utredare

Det är här du hittar personer och organisationer som är involverade i denna studie.

Sponsor

Perception Lab

Samarbetspartners

Unilever R&D

Utredare

  • Studierektor: Ross D Whitehead, MSc, University of St Andrews

Publikationer och användbara länkar

Den som ansvarar för att lägga in information om studien tillhandahåller frivilligt dessa publikationer. Dessa kan handla om allt som har med studien att göra.

Allmänna publikationer

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart

1 februari 2011

Primärt slutförande (Faktisk)

1 juni 2011

Avslutad studie (Faktisk)

1 juni 2011

Studieregistreringsdatum

Först inskickad

23 december 2011

Först inskickad som uppfyllde QC-kriterierna

12 januari 2012

Första postat (Uppskatta)

18 januari 2012

Uppdateringar av studier

Senaste uppdatering publicerad (Uppskatta)

18 januari 2012

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

12 januari 2012

Senast verifierad

1 januari 2012

Mer information

Termer relaterade till denna studie

Nyckelord

Andra studie-ID-nummer

  • PerceptionLab001

Denna information hämtades direkt från webbplatsen clinicaltrials.gov utan några ändringar. Om du har några önskemål om att ändra, ta bort eller uppdatera dina studieuppgifter, vänligen kontakta register@clinicaltrials.gov. Så snart en ändring har implementerats på clinicaltrials.gov, kommer denna att uppdateras automatiskt även på vår webbplats .

Kliniska prövningar på Information-only

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