It's not just what you say, it's also how you say it: opening the 'black box' of informed consent appointments in randomised controlled trials

J Wade, JL Donovan, JA Lane, DE Neal, F Hamdy

Research output: Contribution to journalArticle (Academic Journal)peer-review

95 Citations (Scopus)

Abstract

Randomised controlled trials (RCTs) represent the gold standard methodology for determining effectiveness of healthcare interventions. Poor recruitment to RCTs can threaten external validity and waste resources. An inherent tension exists between safeguarding informed decision-making by participants and maximising numbers enrolled. This study investigated what occurs during informed consent appointments in an ongoing multi-centre RCT in the UK. Objectives were to investigate: 1] how study staff presented study information to participants; 2] what evidence emerged as to how well-informed participants were when proceeding to randomisation or treatment selection; and 3] what aspects of the communication process may facilitate improvements in providing evidence of informed consent. Qualitative analysis of a purposive sample of 23 recruitment appointments from three study centres and involving several recruitment staff applied techniques of thematic, content and conversation analysis(CA). Thematic analysis and CA revealed variation in appointment content and structure. Appointments were mostly recruiter-led or participant-led, and this structure was associated with what evidence emerged as to how participants understood information provided and whether they were in equipoise. Participant-led appointments provided this evidence more consistently. Detailed CA identified communication techniques which, when employed by recruiters, provided evidence as to how participants understood the choices before them. Strategic use of open questions, pauses and ceding the floor in the interaction facilitated detailed and systematic exploration of each participant’s concerns and position regarding equipoise. We conclude that the current focus on content to be provided to achieve informed consent should be broadened to encompass consideration of how information is best conveyed to potential participants. A model of tailored information provision using the communication techniques identified and centred on eliciting and addressing participants’ concerns is proposed. Use of these techniques is necessary to make potential participants’ understanding of key issues and their position regarding equipoise explicit in order to facilitate truly informed consent.
Translated title of the contributionIt's not just what you say, it's how you say it: opening the black box of informed consent appointments in randomised controlled trials
Original languageEnglish
Pages (from-to)2018 - 2028
Number of pages11
JournalSocial Science and Medicine
Volume68
Issue number11
DOIs
Publication statusPublished - Jun 2009

Structured keywords

  • BTC (Bristol Trials Centre)

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