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Trial registered on ANZCTR
Registration number
ACTRN12614000172606
Ethics application status
Approved
Date submitted
4/02/2014
Date registered
12/02/2014
Date last updated
13/10/2021
Date data sharing statement initially provided
13/10/2021
Date results provided
13/10/2021
Type of registration
Prospectively registered
Titles & IDs
Public title
Identification of the determinants of under-vaccination of infants and children in Western Australia
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Scientific title
What are the determinants of under vaccination rates of infants and children in Western Australia
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Secondary ID [1]
284028
0
CVID/2013-03
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Universal Trial Number (UTN)
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Trial acronym
Under-vaccination study
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Vaccination
291077
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Condition category
Condition code
Infection
291420
291420
0
0
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Other infectious diseases
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Public Health
291478
291478
0
0
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Epidemiology
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Intervention/exposure
Study type
Observational
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Patient registry
False
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Target follow-up duration
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Target follow-up type
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Description of intervention(s) / exposure
Parents of children under six will be asked to complete a questionnaire about their attitudes towards childhood vaccination. Only one questionnaire will be required (on the day of consent). Parents will be asked for their consent to check details of vaccination records with their child's primary healthcare provider and details of the child's inpatient medical history.
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Intervention code [1]
288719
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Not applicable
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Comparator / control treatment
Nil
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
291408
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Determinants of vaccination will be assessed by the use of a parent questionnaire and review of the child's medical record at the time of questionnaire completion
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Assessment method [1]
291408
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Timepoint [1]
291408
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Questionnaire will be completed on one occasion only - at the time of consent
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Secondary outcome [1]
306702
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Nil
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Assessment method [1]
306702
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Timepoint [1]
306702
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N/A
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Eligibility
Key inclusion criteria
Parents / Guardians of children under 6 years of age giving informed consent
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Minimum age
16
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
Previously enrolled
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Study design
Purpose
Natural history
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Duration
Cross-sectional
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Selection
Convenience sample
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Timing
Both
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Date of first participant enrolment
Anticipated
3/03/2014
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Actual
19/08/2014
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Date of last participant enrolment
Anticipated
31/12/2015
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Actual
28/05/2015
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Date of last data collection
Anticipated
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Actual
31/12/2015
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Sample size
Target
1000
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Accrual to date
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Final
601
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Recruitment in Australia
Recruitment state(s)
WA
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Recruitment hospital [1]
2048
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Princess Margaret Hospital - Subiaco
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Recruitment postcode(s) [1]
7737
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6008 - Subiaco
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Funding & Sponsors
Funding source category [1]
288656
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Self funded/Unfunded
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Name [1]
288656
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Address [1]
288656
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Country [1]
288656
0
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Primary sponsor type
Other Collaborative groups
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Name
Telethon Institute for Child Health Research
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Address
100 Roberts Road
Subiaco WA 6008
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Country
Australia
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Secondary sponsor category [1]
287367
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None
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Name [1]
287367
0
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Address [1]
287367
0
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Country [1]
287367
0
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
290508
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Princess Margaret Hospital Ethics Committee
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Ethics committee address [1]
290508
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Roberts Road Subiaco WA 6008
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Ethics committee country [1]
290508
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Australia
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Date submitted for ethics approval [1]
290508
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01/10/2013
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Approval date [1]
290508
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02/04/2014
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Ethics approval number [1]
290508
0
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Summary
Brief summary
The purpose of the study is to identify the key determinants of under-vaccination among infants and children in Western Australia (WA). This study will compare socio-demographic characteristics of parents of under-vaccinated compared with fully-vaccinated children, and stated beliefs/attitudes held by parents towards vaccination and toward vaccine preventable diseases. In addition, we will survey parents about perceived barriers to vaccination and potential solutions to improve confidence in or accessibility to vaccination. Through the identification of determinants of direct relevance to WA families, we expect to inform effective strategies to improve vaccine coverage in WA.
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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
46010
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Dr Tom Snelling
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Address
46010
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Telethon Institute for Child Health Research
100 Roberts Road
Subiaco WA 6009
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Country
46010
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Australia
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Phone
46010
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+61 8 9489 7777
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Fax
46010
0
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Email
46010
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[email protected]
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Contact person for public queries
Name
46011
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Claire Waddington
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Address
46011
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Telethon Institute for Child Health Research
100 Roberts Road
Subiaco WA 6009
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Country
46011
0
Australia
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Phone
46011
0
+61 8 9489 7777
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Fax
46011
0
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Email
46011
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[email protected]
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Contact person for scientific queries
Name
46012
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Claire Waddington
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Address
46012
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Telethon Institute for Child Health Research
100 Roberts Road
Subiaco WA 6009
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Country
46012
0
Australia
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Phone
46012
0
+61 8 9489 7777
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Fax
46012
0
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Email
46012
0
[email protected]
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Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
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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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