Table 2 Feasibility criteria and determining success
Feasibility criterion | Proceed | Proceed with modifications | Do not proceed/major modifications |
|---|---|---|---|
Adherence (at least 3 of 4 components) |  > 90% of participants | 80–90% of participants |  < 80% of participants |
Recruitment | 100 participants in 4 months | 100 participants in 4–12 months |  < 100 recruited or > 12 months |
Retention |  > 90% of participants | 80–90% of participants |  < 80% of participants |