Strategies to improve retention in randomised trials: a Cochrane systematic review and meta-analysis
Compose Response

Plain text

  • No HTML tags allowed.
  • Web page addresses and e-mail addresses turn into links automatically.
  • Lines and paragraphs break automatically.
Author Information
First or given name, e.g. 'Peter'.
Your last, or family, name, e.g. 'MacMoody'.
Your email address, e.g.
Your role and/or occupation, e.g. 'Orthopedic Surgeon'.
Your organization or institution (if applicable), e.g. 'Royal Free Hospital'.
Statement of Competing Interests


  • Responses are moderated before posting and publication is at the absolute discretion of BMJ, however they are not peer-reviewed
  • Once published, you will not have the right to remove or edit your response. Removal or editing of responses is at BMJ's absolute discretion
  • If patients could recognise themselves, or anyone else could recognise a patient from your description, please obtain the patient's written consent to publication and send them to the editorial office before submitting your response [Patient consent forms]
  • By submitting this response you are agreeing to our full [Response terms and requirements]

Vertical Tabs

Other responses

Jump to comment:

  • Published on:
    Is there potential for participant-centred retention strategies?
    • Katie Gillies, Research Fellow
    • Other Contributors:
      • Marion K. Campbell

    Brueton and colleagues provide evidence of strategies used to improve participant retention in randomised controlled trials [1]. Although the review is comprehensive, the authors themselves acknowledge that most of the published evidence relates to increasing questionnaire response rates. Monetary incentives were found to be most effective. Other interventions were identified (e.g shorter or disease specific questionnair...

    Show More
    Conflict of Interest:
    None declared.