Table 2.

Success criteria

General objectives	Success criteria
Eligibility criteria	A favourable number of patients fit the eligibility criteria to enable the stipulated recruitment rate
	APPs agreed with the eligibility criteria
Recruitment strategy	Participants were recruited within the time constraints of the local clinical environment
	Patients and APPs report that they were happy with the recruitment strategy
Data collection methods	Data were collected with ease via REDCap and no complications were experienced
	Data completeness of ≥80%
	Patients and APPs report that they were happy with the data collection methods
Follow-up procedures	100% of participants were contacted for follow-up
	≥80% completion of follow-up outcome measures
	Patients and APPs report that they were happy with follow-up procedures

Specific objectives	Success criteria
Feasibility
Participant recruitment rates	Recruitment target of n=10 per clinician met in the time available (3 months)
Ease of fitting accelerometers	Accelerometers were fitted within the allocated clinical time allowed with the FCP APP
	Patients and APPs report that accelerometers were fitted with no issues
Accelerometer data collection	REDCap was able to capture the data from the accelerometers with no errors or data loss
	Patients report that they were happy with data collection using accelerometers/burden within subjectively appropriate limits
Capacity (time and effort) of clinicians’ complete trial-related tasks	APPs report that adequate time was allowed to complete all tasks required by them during the trail
Training required by clinicians	APPs report that they had adequate training to be able to complete the tasks required by them during the trial
Suitability
Outcome measures	Data completeness of ≥80%
	Patients and APPs report that the outcome measures were appropriate and self-explanatory
Compliance with wearing the accelerometers	Data collected ≥80% of the requested time (16 hours/day for 7 days)
Time required to conduct each stage of the protocol	APPs report having adequate time to complete each stage of the protocol
Service infrastructure	Recruitment targets met Data completeness of ≥80%
	APPs report that adequate service infrastructure is in place to allow for a full trial to be completed
Acceptability
Intervention	Patients and APPs report that the intervention was appropriate/satisfactory

APPs, advanced physiotherapy practitioners; FCPs, first contact advanced physiotherapy practitioners.