Feasibility outcomes | Operational definitions | Progression criteria/success | Source of data |
---|---|---|---|
Eligibility rate | It is the proportion of people who fulfill the screening criteria. | \(\ge\) 50% will be acceptable for the future trial | Screening records |
Recruitment capacity (rate) | It is the proportion of eligible individuals willing to give consent and randomized to the study in 2-month period. | \(\ge\) 80% (32+) recruitment rate. | Record review |
Intervention adherence | An intervention adherence is the participant’s compliance with attending all group sessions, and all home-based coaching sessions. | \(\ge\) 80% adherence rate | Session attendances of individual and group sessions. |
Retention | The ability of the program to retain participants in the study. The proportion of study participants who completed the study and evaluated at the end of the intervention T2 and end of follow-up T3. | \(\ge\) 80% retention rate | Record review |
Acceptability | It is the perception of study participants that a given intervention is agreeable, palatable, or satisfactory. | \(\ge\) 75% TAAS score | TAAS survey |
Coaching session fidelity | It is the proportion of individual coaching sessions rated as moderate or high. | \(\ge\) 80% will be an acceptable level of fidelity. | Coaching sessions fidelity checklist rated by an OT |
DSM coaching Program fidelity | The proportion of fidelity assessment for the DSM coaching program | \(\ge\) 80% will be an acceptable level of fidelity. | DSM coaching program fidelity assessment checklist |