Table 2.

Summary of measures taken from participants at different time points.

Measures		Baseline	Follow-up 1	Follow-up 2	Continuous
Demographics
	Age, gender, ethnicity, postcode, medical conditions, previous PRa, and previous experience with technology	Xb	N/Ac	N/A	N/A
Medical Research Council Breathlessness Scale
	COPD severity: 1 (“not troubled by breathlessness except on strenuous exercise”) to 5 (“too breathless to leave the house, or breathless when undressing”) [38]	X	N/A	N/A	N/A
Physical activity: step count
	As measured by an activity tracker	N/A	N/A	N/A	X
Physical activity: CHAMPSd questionnaire
	CHAMPS [39]	X	X	X	N/A
Exercise capacity: ISWTe
	ISWT [37]	X	X	X	N/A
Functioning and quality of life: SGRQf
	SGRQ [40]	X	X	X	N/A
Anxiety and depression: PHQ-9g
	PHQ-9 [41]	X	X	X	N/A
Exercise self-efficacy: Ex-SRESh
	Ex-SRES [42]	X	X	X	N/A
Symptoms: CATi
	CAT [43]	X	X	X	N/A
Cost-effectiveness: EQ-5D-3Lj
	EQ-5D-3L [44] for a future cost-effectiveness assessment	X	X	X	N/A
Usability: SUSk
	SUS [36] to assess the usability of technology	N/A	X	X	N/A

^aPR: pulmonary rehabilitation.

^bX: Measure taken at indicated timepoint.

^cN/A: not applicable.

^dCHAMPS: Community Healthy Activities Model Program for Seniors.

^eISWT: incremental shuttle walk test.

^fSGRQ: St George's Respiratory Questionnaire.

^gPHQ: Patient Health Questionnaire.

^hEx-SRES: Exercise Self-Regulatory Efficacy Scale.

ⁱCAT: Chronic Obstructive Pulmonary Disease Assessment Test.

^jEQ-5D-3L: EuroQol 5 Dimensions 3 Level

^kSUS: System Usability Scale.