Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
465 participants
INTERVENTIONAL
2024-06-03
2024-09-14
Brief Summary
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Primary objectives:
* To measure the PME of a menu featuring salt warning labels relative to a menu with no labels
* To measure label awareness, perceived knowledge gain, and perceived influence of the label on food choice
Secondary objectives:
* To identify whether there is an effect of the salt warning label on:
* Food choice (label/no label)
* Total salt selected
* Total salt intake
* To examine support for the introduction of a salt warning label policy in the UK
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
OTHER
SINGLE
Study Groups
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Label group
Participants will receive a manipulated restaurant menu featuring salt warning labels next to menu items that are high in salt.
Salt warning label
A salt warning label will feature on the restaurant menu next to menu items that are high in salt (\>3g, more than 50% of guideline daily amount \[GDA\] in the UK).
Control group (no label)
Participants will receive a standard restaurant menu (no labels).
No interventions assigned to this group
Interventions
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Salt warning label
A salt warning label will feature on the restaurant menu next to menu items that are high in salt (\>3g, more than 50% of guideline daily amount \[GDA\] in the UK).
Eligibility Criteria
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Inclusion Criteria
* Are aged 18 years and above
* Are fluent in English
* Eat an out-of-home meal at least once a month on average
* Have no dietary allergies
* Are not vegan
18 Years
ALL
Yes
Sponsors
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National Institute for Health Research, United Kingdom
OTHER_GOV
University of Liverpool
OTHER
Responsible Party
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Eric Robinson
Professor Eric Robinson
Locations
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University of Liverpool
Liverpool, Merseyside, United Kingdom
Countries
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References
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Evans R, Brealey J, Clarke N, Falbe J, Finlay A, Jones A, Thorp P, Witham B, Witkam R, Robinson E. Salt warning labels in the out-of-home food sector: online and real-world randomised controlled trials in the UK. Lancet Public Health. 2025 Aug;10(8):e656-e667. doi: 10.1016/S2468-2667(25)00143-4.
Provided Documents
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Document Type: Study Protocol, Statistical Analysis Plan, and Informed Consent Form
Other Identifiers
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rfj78drdsu52lsbw3kztnbpne8xdao
Identifier Type: -
Identifier Source: org_study_id
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