Participants
APPENDIX
GPs practising in the UK were eligible to participate, as were ST3/4 GP registrars. Participants were recruited via the NIHR CRN, who circulated the invitation email to practices across England.Power analyses were conducted for each hypothesis (see Supplementary Appendix S5). These suggested that 429 GPs were needed to assess the effect of the STARWAVe factors on categorical risk assessments and 88 GPs for the continuous risk assessments. As 429 GPs was not feasible (GPs being a difficult-to-reach population), the authors deemed it practical to recruit two groups of 88 GPs (one per risk-response scale; 