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Trial details imported from ClinicalTrials.gov

For full trial details, please see the original record at https://clinicaltrials.gov/show/NCT03553043




Registration number
NCT03553043
Ethics application status
Date submitted
20/05/2018
Date registered
12/06/2018
Date last updated
17/10/2018

Titles & IDs
Public title
Energy Labelling for Alcohol Drinks in New Zealand: Consumers Perceptions and Impacts on Purchase Behaviour
Scientific title
Energy Labelling for Alcohol Drinks in New Zealand: Consumers Perceptions and Impacts on Purchase Behaviour
Secondary ID [1] 0 0
NI373821
Universal Trial Number (UTN)
Trial acronym
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Consumption, Alcohol 0 0
Drinking, Alcohol 0 0
Condition category
Condition code
Other 0 0 0 0
Research that is not of generic health relevance and not applicable to specific health categories listed above

Intervention/exposure
Study type
Interventional
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

Intervention code [1] 0 0
Behaviour
Comparator / control treatment
Control group

Outcomes
Primary outcome [1] 0 0
Consumer online purchasing behaviour - Consumer online purchasing behaviour assessed on an 11-point Juster scale (where 1 = no chance/almost no chance and 11 = certain/practically certain
Timepoint [1] 0 0
Measured immediately after randomization
Secondary outcome [1] 0 0
Purchase behaviour - Number of alcoholic beverage(s) bought in the online shopping cart
Timepoint [1] 0 0
Measured immediately after randomization
Secondary outcome [2] 0 0
Perceived and estimated energy content of displayed product - Assessed using a seven-point scale ranging from "very low" to "very high" and the estimated energy content of the product
Timepoint [2] 0 0
Measured at randomization
Secondary outcome [3] 0 0
Perceived confidence in estimating energy content of displayed product - assessed using a seven-point scale ranging from "not confident at all" to "very confident"
Timepoint [3] 0 0
Measured immediately after randomization
Secondary outcome [4] 0 0
Intention to consume displayed product - Assessed using a seven-point scale ranging from "would decrease consumption level" to "would increase consumption level"
Timepoint [4] 0 0
Measured immediately after randomization
Secondary outcome [5] 0 0
Attitudes towards displayed product - 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.
Timepoint [5] 0 0
Measured immediately after randomization
Secondary outcome [6] 0 0
Support for displayed label - On a seven-point rating scale participants will be asked whether they would support the implementation of the displayed label
Timepoint [6] 0 0
Measured at randomization
Secondary outcome [7] 0 0
Attitudes towards alcohol - 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
Timepoint [7] 0 0
Measured immediately after randomization

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".
Minimum age
18 Years
Maximum age
No limit
Gender
Both males and females
Can healthy volunteers participate?
Yes
Key exclusion criteria
- Participants not meeting the eligibility criteria will be excluded.

Study design
Purpose of the study
Health Services Research
Allocation to intervention
Randomised controlled trial
Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Masking / blinding
Open (masking not used)
Who is / are masked / blinded?



Intervention assignment
Parallel
Other design features
Phase
Phase 3
Type of endpoint(s)
Statistical methods / analysis

Recruitment
Recruitment status
Completed
Data analysis
Reason for early stopping/withdrawal
Other reasons
Date of first participant enrolment
Anticipated
Actual
Date of last participant enrolment
Anticipated
Actual
Date of last data collection
Anticipated
Actual
Sample size
Target
Accrual to date
Final
Recruitment in Australia
Recruitment state(s)
Recruitment outside Australia
Country [1] 0 0
New Zealand
State/province [1] 0 0
Auckland

Funding & Sponsors
Primary sponsor type
Other
Name
University of Auckland, New Zealand
Address
Country
Other collaborator category [1] 0 0
Other
Name [1] 0 0
New Zealand Health Promotion Agency
Address [1] 0 0
Country [1] 0 0

Ethics approval
Ethics application status

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.
Trial website
https://clinicaltrials.gov/show/NCT03553043
Trial related presentations / publications
Public notes

Contacts
Principal investigator
Name 0 0
Natalie Walker, PhD
Address 0 0
University of Auckland, New Zealand
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for public queries
Name 0 0
Address 0 0
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for scientific queries

Summary results
Other publications