Outcomes | Criteria | No modifications | Consider modification and closely monitor | Modifications needed to progress | Stop (not feasible/acceptable) |
---|---|---|---|---|---|
Acceptability of intervention | % of participants reporting being satisfied or very satisfied with the intervention sessions | 90–100% | 80–89% | 50–89% | <50% |
Feasibility of recruitment | % of eligible participants (couples) that can be recruited | 75–100% | 70–74% | 50–69% | <50% |
Fidelity of intervention | % of all intervention sessions delivered to participants | 89–100% | 72–88% | 50–71% | <50% |
Feasibility of outcome measurement | % complete follow-up in recruited participants | 91–100% | 79–90% | 60–78% | <60% |