Table 2.

Criteria for continuation to the definitive RCT

Criteria	Green	Amber	Red
Average recruitment of participants per site over 6 months	≥ 20 (range 12–30)	< 20 but ≥ 10	< 10
Return of follow-up questionnaires	≥ 75%	< 75% but ≥ 60%	< 60%
Intervention training	At least two members of staff from each stroke service attending training days and assessed as competent
Intervention delivery (% of recruited stroke survivors offered at least one session of the intervention)	≥ 75%	< 75% but ≥ 50%	< 50%
Intervention implementation (% of stroke services deemed competent and went on to deliver the intervention and recruited participants)	≥ 80% (i.e. 4 services)	60% (i.e. 3 services)	< 60% (i.e. 2 or less services)