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Trial registered on ANZCTR
Registration number
ACTRN12619001150134
Ethics application status
Approved
Date submitted
16/07/2019
Date registered
16/08/2019
Date last updated
16/08/2019
Date data sharing statement initially provided
16/08/2019
Type of registration
Retrospectively registered
Titles & IDs
Public title
The relative impact of menu labelling versus tailored feedback on the purchase of healthier food from primary school online canteens: A cluster randomized controlled trial
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Scientific title
The relative impact of menu labelling versus tailored feedback on the purchase of healthier food from primary school online canteens: A cluster randomised controlled trial
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Secondary ID [1]
298744
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None
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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:
poor diet
313676
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obesity
313764
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Condition category
Condition code
Diet and Nutrition
312089
312089
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0
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Obesity
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Public Health
312090
312090
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0
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Health promotion/education
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Feedback (to parents and students):
i)Feedback to parents and students: Prior to each lunch order being confirmed within the online ordering system, Users will be shown a pie-chart displaying the proportion of ‘Everyday’ (definition: Foods to eat everyday), ‘Occasional' (definition: foods to eat sometimes an din small amounts) and ‘Caution – consider switching’ (definition: foods should not be sold in the canteen) items contained within the lunch order. Users will be able to change their order at this point, and the graph will update to reflect the new order. Furthermore, a tailored message will also appear underneath the pie-chat:
i.100% Everyday: 100% ‘Everyday’ items - Excellent Choice!
ii.50-99% Everyday: At least half of your order is ‘Everyday’ items - Nice Choice
iii.0-49% Everyday: Try adding some ‘Everyday’ items for a more balanced meal
The category definitions and the classification of foods and drinks into these categories was determined by the current state canteen guidelines "The NSW Healthy School Canteen Strategy - Food and drink Criteria'.
Mode of delivery: All users (i.e. parents and students) of an online canteen at participating schools will be exposed to the intervention strategies that will be integrated into the school’s existing online canteen ordering system. Online canteen ordering systems allow users (students or a parent on behalf of a student) to login to a website to access the school’s canteen menu. Users are able to select and pay for food and drink items, which are processed by the canteen and supplied to students during their lunch break.
Who will deliver the intervention: The online canteen provider will modify the display of the online ordering system to incorporate the ‘Pie Graph’ (Tailored feedback intervention (in a random 50% of participating schools).
Intervention delivery schedule: All schools will undergo a 5-week baseline period and a 5-week intervention period.
Intervention Fidelity: A research assistant will monitor the application of the strategies on each school’s online menu via the website of the online canteen provider.
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Intervention code [1]
315011
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Prevention
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Intervention code [2]
315012
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Behaviour
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Comparator / control treatment
. No treatment. Control schools receive menu labelling only and no feedback pie-chart or tailored message.
Control schools undergo a 5 week baseline period and a 5 week no intervention period.
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Control group
Active
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Outcomes
Primary outcome [1]
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The proportion of all online lunch order items purchased that are classified as ‘Everyday’ based on nutritional assessment of purchasing data automatically collected by the online ordering system through the mobile site.
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Assessment method [1]
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Timepoint [1]
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Baseline data collection will take place over a 5-week period. Follow-up data collection will take place over the subsequent 5-week period during which the intervention strategies will be turned on.
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Primary outcome [2]
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The proportion of all online lunch order items purchased that are classified as ‘Caution’ based on nutritional assessment of purchasing data automatically collected by the online ordering system through the mobile site.
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Assessment method [2]
320737
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Timepoint [2]
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Baseline data collection will take place over a 5-week period. Follow-up data collection will take place over the subsequent 5-week period during which the intervention strategies will be turned on.
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Secondary outcome [1]
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The mean kilo-joule content per student online lunch order based on nutritional assessment of purchasing data automatically collected by the online ordering system through the mobile site
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Assessment method [1]
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Timepoint [1]
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Baseline data collection will take place over a 5-week period. Follow-up data collection will take place over the subsequent 5-week period during which the intervention strategies will be turned on.
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Secondary outcome [2]
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The mean saturated fat (grams) content per student online lunch order based on nutritional assessment of purchasing data automatically collected by the online ordering system through the mobile site
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Assessment method [2]
372658
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Timepoint [2]
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Baseline data collection will take place over a 5-week period. Follow-up data collection will take place over the subsequent 5-week period during which the intervention strategies will be turned on.
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Secondary outcome [3]
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The mean sugar (grams) content per student online lunch order based on nutritional assessment of purchasing data automatically collected by the online ordering system through the mobile site.
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Assessment method [3]
372659
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Timepoint [3]
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Baseline data collection will take place over a 5-week period. Follow-up data collection will take place over the subsequent 5-week period during which the intervention strategies will be turned on.
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Secondary outcome [4]
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The mean sodium (mg) content per student online lunch order based on nutritional assessment of purchasing data automatically collected by the online ordering system through the mobile site.
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Assessment method [4]
372660
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Timepoint [4]
372660
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Baseline data collection will take place over a 5-week period. Follow-up data collection will take place over the subsequent 5-week period during which the intervention strategies will be turned on.
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Secondary outcome [5]
372661
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The online canteen revenue based on purchasing data automatically collected by the online ordering system through the mobile site.
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Assessment method [5]
372661
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Timepoint [5]
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Baseline data collection will take place over a 5-week period. Follow-up data collection will take place over the subsequent 5-week period during which the intervention strategies will be turned on.
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Eligibility
Key inclusion criteria
1. NSW Government primary schools which are currently using an online canteen ordering system provided by Flexischools.
2. All primary school students who have at least one online lunch orders placed during the data collection periods within participating schools will be included
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Minimum age
5
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
Special purpose schools catering for student with special needs (e.g. juvenile justice or schools serving hospitalised children) will be excluded due to potential differences in the provision of foods in these settings. Any schools participating in the long term follow-up of another online canteen research trial being conducted by the research team.
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Study design
Purpose of the study
Prevention
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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)
Central randomisation by computer
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Simple randomisation using a randomisation table created by computer software (i.e. computerised 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
N/A
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Phase
Not Applicable
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Type of endpoint/s
Efficacy
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Statistical methods / analysis
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Recruitment
Recruitment status
Active, not recruiting
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Date of first participant enrolment
Anticipated
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Actual
23/10/2018
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Date of last participant enrolment
Anticipated
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Actual
10/12/2018
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Date of last data collection
Anticipated
30/09/2019
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Actual
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Sample size
Target
4900
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Accrual to date
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Final
4974
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Recruitment in Australia
Recruitment state(s)
NSW
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Funding & Sponsors
Funding source category [1]
303302
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Government body
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Name [1]
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National Health and Medical Research Council (NHMRC)
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Address [1]
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Research Committee Secretariat NHMRC
GPO Box 1421 Canberra ACT 2601
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Country [1]
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Australia
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Primary sponsor type
Individual
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Name
Dr Rebecca Wyse
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Address
The University of Newcastle, Australia
University Dr, Callaghan NSW 2308
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Country
Australia
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Secondary sponsor category [1]
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None
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Name [1]
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Address [1]
303322
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Country [1]
303322
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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The University of Newcastle Human Research Ethics Committee (HREC)
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Ethics committee address [1]
303835
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The University of Newcastle, Callaghan NSW 2308
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Ethics committee country [1]
303835
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Australia
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Date submitted for ethics approval [1]
303835
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30/11/2017
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Approval date [1]
303835
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22/03/2018
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Ethics approval number [1]
303835
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H-2017-0402
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Ethics committee name [2]
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State Education Research Approval Process (SERAP)
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Ethics committee address [2]
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NSW Department of Education Locked Bag 53 Darlinghurst NSW 1300
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Ethics committee country [2]
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Australia
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Date submitted for ethics approval [2]
303837
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13/03/2018
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Approval date [2]
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12/09/2018
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Ethics approval number [2]
303837
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2018065
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Summary
Brief summary
This is a cluster randomised controlled trial to assess the effectiveness of a tailored feedback intervention as embedded within an online canteen lunch ordering system. The intervention is intended to encourage the purchase of healthier menu items. The trial will recruit 10 NSW government primary schools which already have an online canteen ordering system through which lunch orders for students can be placed. The primary trial outcomes are the average proportion of “Everyday” and “Caution” foods (as classified by the NSW Healthy School Canteen Strategy). Intervention effectiveness is assessed through analysis of the lunch order purchasing data that is automatically collected by the online ordering system.
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Trial website
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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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A/Prof Luke wolfenden
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Address
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C/o Hunter New England Population Health
Locked Bag 10,
WALLSEND, NSW 2287
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Country
94970
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Australia
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Phone
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+61 02 4924 6510
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Fax
94970
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Email
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[email protected]
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Contact person for public queries
Name
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Rebecca Wyse
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Address
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C/o Hunter New England Population Health
Locked Bag 10,
WALLSEND, NSW 2287
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Country
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Australia
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Phone
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+610249246510
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Fax
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Email
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[email protected]
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Contact person for scientific queries
Name
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Rebecca Wyse
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Address
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C/o Hunter New England Population Health
Locked Bag 10,
WALLSEND, NSW 2287
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Country
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Australia
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Phone
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+610249246510
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Fax
94972
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Email
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[email protected]
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Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
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No/undecided IPD sharing reason/comment
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What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
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