Table 3.

Primary endpoints.

Primary objective	Primary endpoint
To explore the feasibility of using Smart Track as part of SMARTa Recovery groups for the purposes of ROMb and tailored feedback	Proportion of eligible participants who consent to the study Proportion of missing data for each of the ROM items/instruments at each week of administration, across the 2-month period of Smart Track usage Costs associated with developing Smart Track and maintaining the app until the completion of data collection Participant engagement with Smart Track, as indexed by data analytics captured daily across the data collection period
To explore the acceptability of using Smart Track as part of SMART Recovery groups for the purposes of ROM and tailored feedback	Detailed qualitative feedback from SMART Recovery group members and facilitators to explore their experience of and satisfaction with Smart Track (2-month follow-up) Quality ratings as assessed by participant and facilitator ratings of the user version of the Mobile App Rating Scale (2-week follow-up) and Mobile App Rating Scale (2-month follow-up), respectively Digital therapeutic alliance ratings as assessed by participant ratings of the Digital Working Alliance Inventory (2-week and 2-month follow-up)

^aSMART: Self-Management and Recovery Training.

^bROM: routine outcome monitoring.