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Trial registered on ANZCTR


Registration number
ACTRN12622000518763
Ethics application status
Approved
Date submitted
17/03/2022
Date registered
31/03/2022
Date last updated
20/04/2023
Date data sharing statement initially provided
31/03/2022
Date results provided
3/03/2023
Type of registration
Retrospectively registered

Titles & IDs
Public title
Impact of television depictions of illness on perceptions of illness
Scientific title
A randomized study of the impact of television depictions of illness on healthy adults' perceptions of illness
Secondary ID [1] 306709 0
Nil known
Universal Trial Number (UTN)
Trial acronym
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Gout 325680 0
Condition category
Condition code
Musculoskeletal 323026 323026 0 0
Other muscular and skeletal disorders

Intervention/exposure
Study type
Interventional
Description of intervention(s) / exposure
Participants will watch a television episode containing a character experiencing a gout flare.
The episode is a commercially produced television episode from the series 'Everybody Hates Chris' which contains a depiction of a character with gout, distributed by CBS Television Distribution. This is available on national free to view programming and DVD.
The duration of the episode is 30 minutes and is watched as a single viewing only.
The episode will be watched either at a research visit at the Bone and Joint Research Group at the University of Auckland, via DVD or on free to view programming link.
The participant will be asked if they have watched the television episode prior to carrying out the questionnaire.
Intervention code [1] 323155 0
Behaviour
Comparator / control treatment
Participants will watch a television episode which does not contain a depiction of illness.
The episode is a commercially produced television episode from the series 'Everybody Hates Chris', which does not contain any depiction of illness, distributed by CBS Television Distribution. This is available on national free to view programming and DVD.
The duration of the episode is 30 minutes and is watched as a single viewing only.
The episode will be watched either at a research visit at the Bone and Joint Research Group at the University of Auckland, via DVD or on free to view programming link.
The participant will be asked if they have watched the television episode prior to carrying out the questionnaire.
Control group
Active

Outcomes
Primary outcome [1] 330791 0
The primary endpoint will be illness perception as measured by the Brief Illness Perception Questionnaire.
Timepoint [1] 330791 0
Participants will complete the questionnaire following watching the television episode (time 0).
Secondary outcome [1] 407570 0
Differences between the groups in causes of illness assessed using a study-specific questionnaire.
Timepoint [1] 407570 0
Participants will complete the questionnaire following watching the television episode (time 0).
Secondary outcome [2] 408083 0
Difference between the groups in management strategies for treatment of illness, assessed using study-specific questionnaire.
Timepoint [2] 408083 0
Participants will complete the questionnaire following watching the television episode (time 0).

Eligibility
Key inclusion criteria
Aged 18 years or older and able to complete a questionnaire in English.
Minimum age
18 Years
Maximum age
No limit
Sex
Both males and females
Can healthy volunteers participate?
Yes
Key exclusion criteria
Cognitive impairment which would preclude completion of the questionnaire.

Study design
Purpose of the study
Educational / counselling / training
Allocation to intervention
Randomised controlled trial
Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Allocation schedule was prepared by statistician working off site and is not accessible to the researcher doing the screening for study eligibility.
Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Blocked randomisation schedule in Excel.
Masking / blinding
Blinded (masking used)
Who is / are masked / blinded?


The people assessing the outcomes
Intervention assignment
Parallel
Other design features
Phase
Not Applicable
Type of endpoint/s
Statistical methods / analysis
The sample size of 200 participants is based on a previous study of illnesses labeled ‘urate crystal arthritis’ or gout’, this sample size allowed detection of an at least 2 point difference in the Brief Illness Perception Questionnaire items with power of 0.9 and alpha of 0.05. No adjustment will be made for multiple testing.
Demographic differences between the two groups will be explored with independent sample t tests and chi-square tests. The primary endpoint will be illness perception as measured by the Brief Illness Perception Questionnaire. Differences between the groups in illness perceptions, causes and management strategies will be tested with independent sample t tests.

Recruitment
Recruitment status
Completed
Date of first participant enrolment
Anticipated
Actual
21/02/2022
Date of last participant enrolment
Anticipated
29/07/2022
Actual
31/07/2022
Date of last data collection
Anticipated
29/07/2022
Actual
31/07/2022
Sample size
Target
200
Accrual to date
Final
200
Recruitment outside Australia
Country [1] 24670 0
New Zealand
State/province [1] 24670 0

Funding & Sponsors
Funding source category [1] 311038 0
Charities/Societies/Foundations
Name [1] 311038 0
New Zealand Rheumatology Association
Country [1] 311038 0
New Zealand
Primary sponsor type
University
Name
University of Auckland
Address
25 Park Avenue,
Grafton,
Auckland 1021
Country
New Zealand
Secondary sponsor category [1] 312363 0
None
Name [1] 312363 0
Address [1] 312363 0
Country [1] 312363 0

Ethics approval
Ethics application status
Approved
Ethics committee name [1] 310586 0
The University of Auckland Human Participants Ethics Committee
Ethics committee address [1] 310586 0
Ethics committee country [1] 310586 0
New Zealand
Date submitted for ethics approval [1] 310586 0
29/09/2020
Approval date [1] 310586 0
27/10/2020
Ethics approval number [1] 310586 0
UAHPEC3277

Summary
Brief summary
Trial website
Trial related presentations / publications
Public notes

Contacts
Principal investigator
Name 118174 0
Dr Rachel Murdoch
Address 118174 0
Bone and Joint Research Group
Building 507, LG053
University of Auckland
25 Park Ave
Grafton
Auckland 1021
Country 118174 0
New Zealand
Phone 118174 0
+64 211390540
Fax 118174 0
Email 118174 0
rachel.murdoch@auckland.ac.nz
Contact person for public queries
Name 118175 0
Rachel Murdoch
Address 118175 0
Bone and Joint Research Group
Building 507, LG053
University of Auckland
25 Park Ave
Grafton
Auckland 1021
Country 118175 0
New Zealand
Phone 118175 0
+64 211390540
Fax 118175 0
Email 118175 0
rachel.murdoch@auckland.ac.nz
Contact person for scientific queries
Name 118176 0
Rachel Murdoch
Address 118176 0
Bone and Joint Research Group
Building 507, LG053
University of Auckland
25 Park Ave
Grafton
Auckland 1021
Country 118176 0
New Zealand
Phone 118176 0
+64 211390540
Fax 118176 0
Email 118176 0
rachel.murdoch@auckland.ac.nz

Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
No/undecided IPD sharing reason/comment


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.