Table 1.

Characteristics of Phase I interview participants.

Interview #	Age	Sex	MS Typea	MSRS Scoreb	Current Daily Stepsc
1	62	F	RRMS	14	3000
2	61	F	PRMS	39	7000
3	54	F	RRMS	35	3000
4	68	F	PPMS	7	4000–5000
5	55	F	SPMS	35	up to 10,000
6	63	F	SPMS	46	3000–5000
7	50	M	PPMS	42	5000

^aMS Type: RRMS (relapsing–remitting), PRMS (progressive relapsing), PPMS (primary progressive), SPMS (secondary progressive)

^bMSRS (Multiple Sclerosis Rating Scale) Score: most recent score before interview was conducted

^cCurrent Daily Steps: general estimates reported by the patient, based on long-term Fitbit usage