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Best practice guidance for the use of strategies improved retention in randomised trials developed from two consensus workshops

Brueton, V; Stenning, SP; Stevenson, F; Tierney, J; Rait, G; (2017) Best practice guidance for the use of strategies improved retention in randomised trials developed from two consensus workshops. Journal of Clinical Epidemiology , 88 pp. 122-132. 10.1016/j.jclinepi.2017.05.010. Green open access

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Abstract

OBJECTIVE: To develop best practice guidance for the use of retention strategies in randomised clinical trials (RCTs). DESIGN: Consensus development workshops. SETTING: Two UK Clinical Trials Units. PARTICIPANTS: 66 statisticians, clinicians, RCT coordinators, research scientists, research assistants, and data managers associated with RCTs. METHODS: The consensus development workshops were based on the consensus development conference method used to develop best practice for treatment of medical conditions. Workshops commenced with a presentation of the evidence for: incentives, communication, questionnaire format, behavioural, case management and methodological retention strategies identified by a Cochrane review and associated qualitative study. Three simultaneous group discussions followed, focused on: a) how convinced the workshop participants were by the evidence for retention strategies, b) barriers to the use of effective retention strategies, c) types of RCT follow-up that retention strategies could be used for, and d) strategies for future research. Summaries of each group discussion were fed back to the workshop. Coded content for both workshops were compared for agreement and disagreement. Agreed consensus on best practice guidance for retention was identified. RESULTS: Workshop participants agreed best practice guidance for the use of small financial incentives to improve response to postal questionnaires in RCTs. Use of 2nd class post was thought to be adequate for postal communication with RCT participants. The most relevant validated questionnaire was considered best practice for collecting RCT data. Barriers identified for the use of effective retention strategies were: the small improvements seen in questionnaire response for the addition of monetary incentives, and perceptions among trialists that some communication strategies are outdated. Furthermore, there was resistance to change existing retention practices thought to be effective. Face to face and electronic follow-up technologies were identified as retention strategies for further research. CONCLUSIONS: We developed best practice guidance for the use of retention strategies in RCTs and identified potential barriers to the use of effective strategies. The extent of agreement on best practice is limited by the variability in the currently available evidence. This guidance will need updating as new retention strategies are developed and evaluated.

Type: Article
Title: Best practice guidance for the use of strategies improved retention in randomised trials developed from two consensus workshops
Location: United States
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.jclinepi.2017.05.010
Publisher version: http://doi.org/10.1016/j.jclinepi.2017.05.010
Language: English
Additional information: This manuscript version is made available under a Creative Commons Attribution Non-commercial Non-derivative 4.0 International license (CC BY-NC-ND 4.0). This license allows you to share, copy, distribute and transmit the work for personal and non-commercial use providing author and publisher attribution is clearly stated.
Keywords: Best practice guidance, consensus development, randomized clinical trials, retention
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Inst of Clinical Trials and Methodology
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Inst of Clinical Trials and Methodology > MRC Clinical Trials Unit at UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Epidemiology and Health
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Epidemiology and Health > Primary Care and Population Health
URI: https://discovery.ucl.ac.uk/id/eprint/1558738
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