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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/ct2/show/NCT03553043
Registration number
NCT03553043
Ethics application status
Date submitted
20/05/2018
Date registered
12/06/2018
Date last updated
19/08/2021
Titles & IDs
Public title
Energy Labelling for Alcohol Drinks in New Zealand: Consumers Perceptions and Impacts on Purchase Behaviour
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Scientific title
Energy Labelling for Alcohol Drinks in New Zealand: Consumers Perceptions and Impacts on Purchase Behaviour
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Secondary ID [1]
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NI373821
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Consumption, Alcohol
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Drinking, Alcohol
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Condition category
Condition code
Other
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Research that is not of generic health relevance and not applicable to specific health categories listed above
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Behaviour - Intervention
Behaviour - Control
Experimental: Energy Label 1 - Alcoholic beverage displayed with Energy label 1
Experimental: Energy Label 2 - Alcoholic beverage displayed with Energy Label 2
Experimental: Energy Label 3 - Alcoholic beverage displayed with Energy Label 3
Placebo Comparator: Unlabelled - Alcohol beverage displayed unlabelled.
Behaviour: Intervention
Energy label condition.
Behaviour: Control
No label
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Intervention code [1]
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Behaviour
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Consumer online purchasing behaviour
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Assessment method [1]
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Consumer online purchasing behaviour assessed on an 11-point Juster scale (where 1 = no chance/almost no chance and 11 = certain/practically certain
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Timepoint [1]
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Measured immediately after randomization
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Secondary outcome [1]
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Purchase behaviour
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Assessment method [1]
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Number of alcoholic beverage(s) bought in the online shopping cart
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Timepoint [1]
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Measured immediately after randomization
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Secondary outcome [2]
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Perceived and estimated energy content of displayed product
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Assessment method [2]
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Assessed using a seven-point scale ranging from "very low" to "very high" and the estimated energy content of the product
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Timepoint [2]
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Measured at randomization
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Secondary outcome [3]
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Perceived confidence in estimating energy content of displayed product
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Assessment method [3]
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assessed using a seven-point scale ranging from "not confident at all" to "very confident"
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Timepoint [3]
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Measured immediately after randomization
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Secondary outcome [4]
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Intention to consume displayed product
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Assessment method [4]
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Assessed using a seven-point scale ranging from "would decrease consumption level" to "would increase consumption level"
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Timepoint [4]
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Measured immediately after randomization
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Secondary outcome [5]
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Attitudes towards displayed product
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Assessment method [5]
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On a seven-point rating scale participants will be asked whether they believe the displayed alcoholic product was expensive/cheap, unattractive/attractive, low quality/high quality, unhealthy/healthy, and taste bad/good.
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Timepoint [5]
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Measured immediately after randomization
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Secondary outcome [6]
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Support for displayed label
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Assessment method [6]
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On a seven-point rating scale participants will be asked whether they would support the implementation of the displayed label
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Timepoint [6]
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Measured at randomization
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Secondary outcome [7]
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Attitudes towards alcohol
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Assessment method [7]
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Assessed using the Scale for Measurement of Attitudes Towards Alcohol, a tool used to i) assess people's risk profile regarding the use of alcohol and ii) identify the factors that contribute to determining their attitudes
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Timepoint [7]
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Measured immediately after randomization
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Eligibility
Key inclusion criteria
- are =18 years of age;
- having purchased and consumed at least one alcoholic beverage in the past month;
- be able to read English;
- reside in New Zealand;
- be a member of the online panel of "Research Now Survey Sampling International".
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
Yes
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Key exclusion criteria
- Participants not meeting the eligibility criteria will be excluded.
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Study design
Purpose of the study
Health Services Research
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Parallel
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Other design features
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Phase
Not Applicable
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
14/05/2018
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
23/09/2018
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Sample size
Target
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Accrual to date
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Final
615
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Recruitment in Australia
Recruitment state(s)
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Recruitment outside Australia
Country [1]
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New Zealand
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State/province [1]
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Auckland
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Funding & Sponsors
Primary sponsor type
Other
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Name
University of Auckland, New Zealand
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Address
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Country
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Other collaborator category [1]
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Other
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Name [1]
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Te Hiringa Hauora/Health Promotion Agency
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Address [1]
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Country [1]
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Ethics approval
Ethics application status
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Summary
Brief summary
A two-stage qualitative and quantitative study to provide insight into consumers' awareness
of energy in alcoholic beverages, and how energy labelling effects consumer behaviour.
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Trial website
https://clinicaltrials.gov/ct2/show/NCT03553043
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Natalie Walker, PhD
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Address
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University of Auckland, New Zealand
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for scientific queries
Summary Results
For IPD and results data, please see
https://clinicaltrials.gov/ct2/show/NCT03553043
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