Investigating the Effects of Calorie Information and Serving Size of Alcohol Products on Alcohol Consumption.
NCT ID: NCT07103967
Last Updated: 2025-09-05
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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RECRUITING
NA
450 participants
INTERVENTIONAL
2025-07-30
2025-11-19
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
NONE
Study Groups
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Calorie information present, serving size reduced
Participants will be presented with calorie information of alcohol products, and will have a restricted selection of serving sizes of drinks available to them.
Calorie information manipulation
The intervention will be administered by changing the information presenting to participants at point-of-choice when ordering alcoholic drinks and bar snacks. When alcohol calorie information is present, participants will see the calorie content of alcohol products on menus and at other point-of-choice locations. When it is not present, this information will be absent.
Serving size manipulation
The intervention will be administered by changing the availability of alcoholic drinks. When serving sizes are reduced, participants will only be able to order 2/3 pint of 1/2 servings of beer, and 125 ml servings of wine. When serving sizes are not reduced, participants will be able to order 1 pint servings or 1/2 servings of beer, and 175 ml or 125 ml servings of wine.
Calorie information present, serving size typical
Participants will be presented with calorie information of alcohol products, and the serving sizes of drinks available to participants will not be manipulated.
Calorie information manipulation
The intervention will be administered by changing the information presenting to participants at point-of-choice when ordering alcoholic drinks and bar snacks. When alcohol calorie information is present, participants will see the calorie content of alcohol products on menus and at other point-of-choice locations. When it is not present, this information will be absent.
Serving size manipulation
The intervention will be administered by changing the availability of alcoholic drinks. When serving sizes are reduced, participants will only be able to order 2/3 pint of 1/2 servings of beer, and 125 ml servings of wine. When serving sizes are not reduced, participants will be able to order 1 pint servings or 1/2 servings of beer, and 175 ml or 125 ml servings of wine.
Calorie information absent, serving size reduced
Participants will not be presented with calorie information of alcohol products, and will have a restricted selection of serving sizes of drinks available to them.
Calorie information manipulation
The intervention will be administered by changing the information presenting to participants at point-of-choice when ordering alcoholic drinks and bar snacks. When alcohol calorie information is present, participants will see the calorie content of alcohol products on menus and at other point-of-choice locations. When it is not present, this information will be absent.
Serving size manipulation
The intervention will be administered by changing the availability of alcoholic drinks. When serving sizes are reduced, participants will only be able to order 2/3 pint of 1/2 servings of beer, and 125 ml servings of wine. When serving sizes are not reduced, participants will be able to order 1 pint servings or 1/2 servings of beer, and 175 ml or 125 ml servings of wine.
Calorie information absent, serving size typical
Participants will not be presented with calorie information of alcohol products, and the serving sizes of drinks available to participants will not be manipulated.
Calorie information manipulation
The intervention will be administered by changing the information presenting to participants at point-of-choice when ordering alcoholic drinks and bar snacks. When alcohol calorie information is present, participants will see the calorie content of alcohol products on menus and at other point-of-choice locations. When it is not present, this information will be absent.
Serving size manipulation
The intervention will be administered by changing the availability of alcoholic drinks. When serving sizes are reduced, participants will only be able to order 2/3 pint of 1/2 servings of beer, and 125 ml servings of wine. When serving sizes are not reduced, participants will be able to order 1 pint servings or 1/2 servings of beer, and 175 ml or 125 ml servings of wine.
Interventions
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Calorie information manipulation
The intervention will be administered by changing the information presenting to participants at point-of-choice when ordering alcoholic drinks and bar snacks. When alcohol calorie information is present, participants will see the calorie content of alcohol products on menus and at other point-of-choice locations. When it is not present, this information will be absent.
Serving size manipulation
The intervention will be administered by changing the availability of alcoholic drinks. When serving sizes are reduced, participants will only be able to order 2/3 pint of 1/2 servings of beer, and 125 ml servings of wine. When serving sizes are not reduced, participants will be able to order 1 pint servings or 1/2 servings of beer, and 175 ml or 125 ml servings of wine.
Eligibility Criteria
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Inclusion Criteria
* Be aged 18 or over
Exclusion Criteria
18 Years
ALL
Yes
Sponsors
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University of Liverpool
OTHER
Responsible Party
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Locations
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University of Liverpool
Liverpool, , United Kingdom
Countries
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Facility Contacts
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Other Identifiers
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AlcCal Real-world Study
Identifier Type: -
Identifier Source: org_study_id
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