Table 2.

Device-related items that reached consensus in Rounds 2 and 3.

Item				Percentage agreement (≥7 on 9-point Likert scale)
				Round 2 (n=43)		Round 3 (n=43)
Metrics
	Critically important (≥75% rated ≥7) ≥7
		Daily minutes of PAa	95		N/Ab
		Daily minutes of SBc	81		N/A
		Daily step count	74		86
	Somewhat important (50%-74% rated ≥7)
		Intensity of PA (heart rate zones)	56		N/A
		Details of PA intensities (eg, light/moderate/vigorous)	—d		74
		All daily activities (physical activity, sedentary time, sleep)	58		N/A
		Sit to stand transitions	—		58
		Position of SB (eg, sitting/standing/lying down)	—		56
		Heart rate	44e		58e
		On versus off body time (wear time)	—		60
Characteristics
	Critically important (≥75% rated ≥7)
		Easy to charge	95		N/A
		Comfortable to wear day and night	93		N/A
		Water resistant	81		N/A
		Easy to clean and disinfect	81		N/A
		Simple data syncing process	98		N/A
		Simple data download or export process	91		N/A
		Store at least 5 days of data without syncing or downloading	88		N/A
		Easy to navigate and set up	93		N/A
		Provide data that is easy to interpret	—		88
		Wrist-worn is most appropriate for patient acceptability and compliance	MCQf		77
		Adaptable wear site for different populations and individuals (eg, those with walking frames)	—		84
	Somewhat important (50%-74% rated ≥7)
		Battery that lasts at least 2 days on a single charge	74		N/A
		Battery that lasts at least 5 days on a single charge	63		N/A
		Quick to charge (eg, reach full charge in 1 hour)	70		N/A
		Measure steps in slow ambulators	72		N/A
		Ability to set personalized goals	63		N/A
		Simple data interface (eg, interpret key data at a glance)	74		N/A
		Real-time feedback is provided on the interface	67		N/A
		Data can be accessed remotely by clinician	56		N/A
		Aesthetically pleasing	51e		50
		Ability to set specific reminders	—		56
		Ability to select between different metrics for viewing	—		70
		Ability to wear at different bodily locations	49e		63
		Wear site may need to be adapted for different purposes (eg, assessment vs intervention)	—		56

^aPA: physical activity.

^bN/A: not applicable (agreement met in prior round).

^cSB: sedentary behavior.

^dnot rated (identified from this round).

^eDisagreement between groups.

^fMCQ: multiple choice question.