Use of Animations Movies to Increase Response in a National Health Survey
Use of Small Animations Movies to Increase Response in a National Health Survey. A Random-ised Controlled Trial. A Study Protocol
1 other identifier
interventional
201,200
1 country
1
Brief Summary
The aim of this study is to examine the potential for animation movies to improve response rates and sample composition in an embedded randomized controlled trial in the Danish National Health Survey 2021. The overall research question is whether cover letters including an animation movie can perform better than generic letters.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Feb 2021
Shorter than P25 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
January 3, 2021
CompletedStudy Start
First participant enrolled
February 5, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 15, 2021
CompletedStudy Completion
Last participant's last visit for all outcomes
May 15, 2021
CompletedFirst Posted
Study publicly available on registry
August 29, 2022
CompletedAugust 29, 2022
August 1, 2022
3 months
January 3, 2021
August 26, 2022
Conditions
Outcome Measures
Primary Outcomes (1)
The number of invited individuals who respond to the survey
A respond is registered if the invited sample member responds to at least 1 question
3 month
Study Arms (5)
Control
NO INTERVENTIONNo animation
General animation movie
EXPERIMENTALParticipants randomized to receive the general animation video
Men aged 16-24 years
EXPERIMENTALParticipants randomized to receive the animation targeted men aged 16-24 years
Women aged 75 years or older
EXPERIMENTALParticipants randomized to receive the animation targeted women aged 75 years or older
Ethnic minorities
EXPERIMENTALParticipants randomized to receive the animation targeted ethnic minorities
Interventions
Inclusion of animation movies in the invitation cover letter to a national health survey is tested in an embedded randomized controlled trial in the Danish National Health Survey 2021.
Eligibility Criteria
You may qualify if:
- Aged 16 years or older and living in Denmark at January 1th 2021.
- Able to receive an invitation through a secure electronical mail service (Digital Post).
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- University of Southern Denmarklead
- Region Capital Denmarkcollaborator
- North Denmark Regioncollaborator
- Region Zealandcollaborator
Study Sites (1)
National Institute of Public health, University of Southern Denmark
Copenhagen, 1353, Denmark
Related Publications (1)
Christensen AI, Lau CJ, Poulsen HS, Ekholm O. Do animation videos increase participation in national health surveys? A randomised controlled trial. BMC Med Res Methodol. 2023 Aug 14;23(1):184. doi: 10.1186/s12874-023-02005-4.
PMID: 37580666DERIVED
Study Officials
- PRINCIPAL INVESTIGATOR
Anne I Christensen
University of Southern Denmark
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- OUTCOMES ASSESSOR
- Purpose
- HEALTH SERVICES RESEARCH
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
January 3, 2021
First Posted
August 29, 2022
Study Start
February 5, 2021
Primary Completion
May 15, 2021
Study Completion
May 15, 2021
Last Updated
August 29, 2022
Record last verified: 2022-08
Data Sharing
- IPD Sharing
- Will not share