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Article

Secondary Outcomes of a Front-of-Pack-Labelling Randomised Controlled Experiment in a Representative British Sample: Understanding, Ranking Speed and Perceptions

1
Population, Policy and Practice Research and Teaching Department, UCL Great Ormond Street Institute of Child Health, University College London, London WC1N 1EH, UK
2
National Center for Social Research, London EC1V 0AX, UK
*
Author to whom correspondence should be addressed.
Co-principal investigators.
Academic Editors: Maria Izquierdo-Pulido and María Fernanda Zerón-Rugerio
Nutrients 2022, 14(11), 2188; https://doi.org/10.3390/nu14112188
Received: 26 April 2022 / Revised: 18 May 2022 / Accepted: 23 May 2022 / Published: 24 May 2022
(This article belongs to the Special Issue Healthy Behaviors and Obesity)
Front-of-pack labels (FOPLs) provide simplified nutritional information that aims to inform consumer choice and encourage reformulation. We conducted an online randomised controlled experiment on a representative British sample to test the effectiveness of FOPLs across a range of outcomes. The primary outcomes have been published; here, we present the secondary outcomes: the ability to rank the healthiest product and the time to complete the rankings by comparing the FOPL groups and a no-label control, as well as a descriptive analysis of the perceptions. Participants from the NatCen panel were randomised to one of five experimental groups (Multiple Traffic Lights; Nutri-Score; Warning Label; Positive Choice tick; no-label control). Six food/drink categories were selected (pizza, drinks, cakes, crisps, yoghurts, breakfast cereals), and three products were created with varying healthiness. The participants (analytic sample = 4530) were asked to rank the products in order of healthiness twice (baseline: no label; follow-up: experimental group label). Compared to the control, the probability of correctly ranking the healthiest product at follow-up was significantly greater for the N-S, MTL and WL across all products. The time to correctly complete the ranking was fastest for the N-S, PC and no-label control. The descriptive analysis showed that the FOPLs were perceived favourably, and especially N-S and MTL. The findings were supportive of the primary analyses, with those results suggesting that N-S performed the best, and then MTL. View Full-Text
Keywords: nutritional labelling; front-of-pack label; comprehension; randomised controlled experiment; nutrition policy nutritional labelling; front-of-pack label; comprehension; randomised controlled experiment; nutrition policy
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MDPI and ACS Style

Packer, J.; Russell, S.J.; Ridout, D.; Conolly, A.; Jessop, C.; Viner, R.M.; Croker, H. Secondary Outcomes of a Front-of-Pack-Labelling Randomised Controlled Experiment in a Representative British Sample: Understanding, Ranking Speed and Perceptions. Nutrients 2022, 14, 2188. https://doi.org/10.3390/nu14112188

AMA Style

Packer J, Russell SJ, Ridout D, Conolly A, Jessop C, Viner RM, Croker H. Secondary Outcomes of a Front-of-Pack-Labelling Randomised Controlled Experiment in a Representative British Sample: Understanding, Ranking Speed and Perceptions. Nutrients. 2022; 14(11):2188. https://doi.org/10.3390/nu14112188

Chicago/Turabian Style

Packer, Jessica, Simon J. Russell, Deborah Ridout, Anne Conolly, Curtis Jessop, Russell M. Viner, and Helen Croker. 2022. "Secondary Outcomes of a Front-of-Pack-Labelling Randomised Controlled Experiment in a Representative British Sample: Understanding, Ranking Speed and Perceptions" Nutrients 14, no. 11: 2188. https://doi.org/10.3390/nu14112188

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