Table 5.

APEASE criteria applied by ENCOUNTER team to behaviour change techniques following co-design workshops: intervention 1

BCT	Label	Affordability	Practicability	Effectiveness	Acceptability	Side-effects/safety	Equity	Decision Yes/no	Reasons for exclusion/comments
9.2	Pros and cons
	Description: Ask recruiter’s list and compare advantages and disadvantages of inviting all eligible women to participate in a trial	√	√	-	√	√	√	Yes	Perceived as helpful by most participants
1.1	Goal setting—behaviour
	Description: Ask recruiters to set an agreed daily/weekly goal to invite all eligible women (not necessarily the numbers)	√	X	-	X	-	√	No	Negative response at workshop
1.3	Goal setting—outcome
	Description: Ask recruiters to set weekly goal to have increased the number of women invited to the trial	√	X	-	X	-	√	No	Negative response at workshop
4.2	Information about antecedents
	Description: Show recruiters a video clip of an experienced recruiter—what prompts/motivates them to invite all eligible women to a trial as well as discussing the common challenges in approaching potential participants	√	√	-	√	√	√	Yes	The most well received BCT at the workshop
2.3	Self-monitoring of behaviour
	Description: Ask recruiters to keep a diary of each recruitment encounter or potential encounter and the outcome (perhaps limited to the first 10). Recruiters could later reflect on diary and share learnings with peers	√	√	-	√	√	√	Yes	Well received by midwives and nurse in the workshop
1.2	Problem solving
	Description: Encourage recruiters to be creative in thinking about strategies to adopt as challenges are presented i.e. “If x goes wrong, then this is what you do”	√	√	-	√	√	√	Yes	Could fit neatly with 2.3 and the shared learnings
1.5	Review behaviour goals
	Description: Regular review, with the trial team, of the changed behaviour being used by the recruiters	√	√	-	X	X	√	No	No longer relevant as 1.1 and 1.3 have been excluded
1.7	Review outcome goals
	Description: Trial teams carry out monthly review to reveal if all eligible women had been invited to participate in the trial. Based on outcome, recruiter and trial team could consider modifying invitation goal	√	X	-	X	X	√	No	No longer relevant as 1.1 and 1.3 have been excluded
10.4	Social rewardsa
	Identified as ‘creep’ BCT Description: Trial team give recruiters thank you cards/acknowledgements	√	√	√	√	√	√	Yes

^aAdditional ‘creep’ BCTs that emerged during the workshop, they were identified on original ‘Long List’ but not initially proposed as intervention components during the workshop