Nutri-score Labels on the Nutritional Quality of Out-of-home Food Selection

Summary

Participants will be asked to make hypothetical food choices in an online simulation study of an OOH delivery app. This study will be a three-arm randomised controlled design, with intervention type as the 3-level grouping variable (Nutri-score labelling vs. Nutri-score labelling with educational intervention vs. no labelling).

Conditions

• Overconsumption
• Obesity

Interventions

BEHAVIORAL

Labelling condition - Calorie labelling

Participants will be asked to choose a meal through a virtual delivery app where four outlets are presented. Participants will be provided with a menu with calorie labelling.

BEHAVIORAL

Labelling condition - Nutri-score labelling

Participants will be asked to choose a meal through a virtual delivery app where four outlets are presented. Participants will be given menus with calorie and Nutri-score labelling.

BEHAVIORAL

Labelling condition: Nutri-score labelling + educational intervention

Participants will be asked to choose a meal through a virtual delivery app where four outlets are presented. Participants will be given menus with calorie and Nutri-score labelling. Prior to selecting their meal, participants will be asked to read an article about Nutri-score.

Sponsors & Collaborators

• Aston University

  collaborator OTHER

• University of Bath

  collaborator OTHER

• University of Exeter

  collaborator OTHER

• Liverpool John Moores University

  collaborator OTHER

• King's College London

  collaborator OTHER

• University of Liverpool

  lead OTHER

Principal Investigators

• Eric Robinson · University of Liverpool

Study Design

Allocation

RANDOMIZED

Purpose

PREVENTION

Masking

DOUBLE

Model

PARALLEL

Eligibility

Min Age

18 Years

Sex

ALL

Healthy Volunteers

Yes

Timeline & Regulatory

Start

2025-12-08

Primary Completion

2026-03-27

Completion

2026-03-27

Countries

• United Kingdom

Study Locations