Table 2.

Participant characteristics.

	Full sample	Mobility disability		p-Value
Absent	Present
n = 439	n = 245	n = 194
% (n)	% (n)	% (n)
Age (years)
< 20	0.2 (1)	0.4 (1.0)	0 (0)
20–39	21.5 (94)	29.1 (71)	11.9 (23)
40–59	67.8 (297)	63.9 (156)	72.7 (141)	< 0.001
60–79	10.3 (45)	6.6 (16)	15.0 (29)
> 80	0.2 (1)	0 (0)	0.5 (1)
Gender
Female	84.7 (372)	85.3 (209)	84.0 (163)	0.710
Male	15.3 (67)	14.7 (36)	16.0 (31)
Ethnicity
Caucasian	92.5 (404)	94.2 (229)	90.2 (175)	0.113
Non-Caucasian	7.6 (33)	5.8 (14)	9.8 (19)
Marital status
Married	68.0 (298)	64.3 (157)	72.7 (141)	0.063
Non-married	32.0 (140)	35.7 (87)	27.3 (53)
Occupation
Unemployed	43.2 (188)	29.2 (71)	60.9 (117)
Employed	56.8 (247)	70.8 (172)	39.1 (75)	< 0.001
Type of MS
Relapsing–remitting	90.4 (395)	95.5 (232)	84.0 (163)
Secondary progressive	6.2 (27)	0.8 (2)	12.9 (25)	< 0.001
Primary progressive	2.1 (9)	1.2 (3)	3.1 (6)
Benign	1.4 (6)	2.5 (6)	0 (0)
Duration of MS
10 years or less	63.7 (279)	72.1 (176)	53.1 (103)	< 0.001
Greater than 10 years	36.3 (159)	27.9 (68)	46.9 (91)

Mobility disability absent, Patient Determined Disease Steps ≤ 2; mobility disability present, Patient Determined Disease Steps ≥ 3.

p-Value represents difference between those with and without disability.