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Can we achieve better trial recruitment by presenting patient information through multimedia? Meta-analysis of 'studies within a trial' (SWATs)

  • Vichithranie W. Madurasinghe
  • , Peter Knapp
  • , Sandra Eldridge
  • , David Collier
  • , Shaun Treweek
  • , Jo Rick
  • , Jonathan Graffy
  • , Adwoa Parker
  • , Chris Salisbury
  • , David Torgerson
  • , Kate Jolly
  • , Manbinder S. Sidhu
  • , Christopher Fife-Schaw
  • , Mark A. Hull
  • , Kirsty Sprange
  • , Elizabeth Brettell
  • , Sunil Bhandari
  • , Alan Montgomery
  • , Peter Bower*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

Background: People need high-quality information to make decisions about research participation. Providing information in written format alone is conventional but may not be the most effective and acceptable approach. We developed a structure for the presentation of information using multimedia which included generic and trial-specific content. Our aim was to embed ‘Studies Within A Trial’ (SWATs) across multiple ongoing trials to test whether multimedia presentation of patient information led to better rates of recruitment.

Methods: Five trials included a SWAT and randomised their participants to receive a multimedia presentation alongside standard information, or standard written information alone. We collected data on trial recruitment, acceptance and retention and analysed the pooled results using random effects meta-analysis, with the primary outcome defined as the proportion of participants randomised following an invitation to take part.

Results: Five SWATs provided data on the primary outcome of proportion of participants randomised. Multimedia alongside written information results in little or no difference in recruitment rates (pooled odds ratio = 0.96, 95% CI: 0.79 to 1.17, p-value = 0.671, I2 = 0%). There was no effect on any other outcomes.

Conclusions: Multimedia alongside written information did not improve trial recruitment rates.

Trial registration: ISRCTN71952900, ISRCTN 06710391, ISRCTN 17160087, ISRCTN05926847, ISRCTN62869767.
Original languageEnglish
Article number425
Number of pages10
JournalBMC medicine
Volume21
Issue number1
DOIs
Publication statusPublished - 8 Nov 2023

Bibliographical note

Funding:
The authors wish to acknowledge the MRC Methodology Research Programme which funds this research (MRC grant reference: G1002325). The MRC has no role in study design; collection, management, analysis and interpretation of data; writing of the report; or the decision to submit the report for publication.

Copyright:
© 2023. The Author(s).

Keywords

  • Recruitment
  • Information
  • User testing
  • Research methodology
  • Randomised controlled trial
  • SWATs
  • Meta-analysis

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