App-based Versus Slide-based Inter-grader Agreement (IGA) Test for Trachoma Graders
NCT ID: NCT04002726
Last Updated: 2022-08-22
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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TERMINATED
NA
32 participants
INTERVENTIONAL
2019-07-08
2019-07-12
Brief Summary
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The overall objective of this project is to investigate the effectiveness, acceptability and feasibility of an app-based versus slide-based IGA for trachoma graders.
Fieldwork will take place during routine Tropical Data trainings. A non-inferiority randomised controlled trial design will be employed, with grader trainees randomised to app- or slide-based training, and then to app- or slide-based IGA testing. The training and IGA testing method will be compared with field IGA test score to determine which method best predicts passing the field IGA test.
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Detailed Description
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Objectives and approach:
1.1 To compare the two classroom IGA tests (app-based and slides-based) in terms of their ability to predict trainee success in the field IGA test.
1.2 To assess whether the kappa score threshold for the classroom IGA tests is appropriate.
1.3 To conduct a cost-consequences analysis of the training systems in order to effectively target the use of an app-based assessment and training system.
1.4 To investigate whether grader trainee characteristics have an impact on trainee performance in the IGA tests.
1.5 To obtain feedback on the app-based system's usability and acceptability. 1.6 To compare the two classroom IGA training methods (app-based and slides-based) in terms of classroom IGA test (app-based and slides-based) outcome and field IGA test outcome.
Conditions
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Study Design
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RANDOMIZED
CROSSOVER
OTHER
SINGLE
Study Groups
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Group Aa
Allocated to do the app-based training. Allocated to do the app-based classroom IGA test first, and the slide-based test second.
Inter-grader agreement (IGA) app
A smartphone-based app with images of conjunctivae for trachoma grading training purposes.
Group As
Allocated to do the app-based training. Allocated to do the slide-based classroom IGA test first, and the app-based test second.
Inter-grader agreement (IGA) app
A smartphone-based app with images of conjunctivae for trachoma grading training purposes.
Group Sa
Allocated to do the slide-based training. Allocated to do the app-based classroom IGA test first, and the slide-based test second.
Inter-grader agreement (IGA) app
A smartphone-based app with images of conjunctivae for trachoma grading training purposes.
Group Ss
Allocated to do the app-based training. Allocated to do the slide-based classroom IGA test first, and the app-based test second.
Inter-grader agreement (IGA) app
A smartphone-based app with images of conjunctivae for trachoma grading training purposes.
Interventions
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Inter-grader agreement (IGA) app
A smartphone-based app with images of conjunctivae for trachoma grading training purposes.
Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
18 Years
ALL
Yes
Sponsors
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National Institute for Medical Research, Tanzania
OTHER_GOV
Federal Minstry of Health of Ethiopia
OTHER_GOV
Jos University Teaching Hospital
OTHER
University College London Hospitals
OTHER
RTI International
OTHER
Sightsavers
UNKNOWN
World Health Organization
OTHER
Pan American Health Organization
OTHER
London School of Hygiene and Tropical Medicine
OTHER
Responsible Party
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Principal Investigators
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Emma Harding-Esch
Role: PRINCIPAL_INVESTIGATOR
London School of Hygiene and Tropical Medicine
Locations
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Arusha region
Arusha, , Tanzania
Countries
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Other Identifiers
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2019-KEP-284 - 1
Identifier Type: -
Identifier Source: org_study_id
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