Fig. 1From: Behavioural optimisation to address trial conduct challenges: case study in the UK-REBOA trialStages involved in the diagnosis and treatment of issues in REBOA recruitment and intervention delivery. TDF Theoretical Domains Framework, BCT Behaviour Change Technique, APEASE Affordability, Practicability, Effectiveness/cost-effectiveness, Acceptability, Side-effects/safety, EquityBack to article page