Table 1.
Study Participant
| Demographics | Identification Study (n=159) | Validation Study (n=96) |
|---|---|---|
|
| ||
| Age, y, mean ± sd | 48.3 ± 12.6 | 52.8 ± 11.1 |
|
| ||
| Female, n (%) | 108 (67.9) | 77 (80) |
|
| ||
| Race, n (%) | ||
| Caucasian | 132 (83) | 77 (80) |
| African American | 25 (15.7) | 19 (20) |
|
| ||
| Marital Status, n (%) | ||
| Single | 26 (16.4) | 14 (14.6) |
| Married | 108 (68) | 70 (72.9) |
| Live with partner | 9 (5.6) | 7 (7.3) |
| Divorced | 9 (5.6) | 5 (5.2) |
|
| ||
| MS Disease Classification, n (%) | ||
| Relapsing MS | 116 (73) | 78 (81.3) |
| Progressive MSa | 43 (27) | 18 (18.7) |
| MS Disease Duration, mean ± sd | 10.1 ± 8.6 | 11.9 ± 10.0 |
|
| ||
| PDDS, n (%) | ||
| 0 = normal | 37 (23.3) | 19 (19.8) |
| 1 = mild disability | 25 (15.7) | 14 (14.6) |
| 2 = moderate disability | 11 (6.9) | 8 (8.3) |
| 3 = gait disability | 26 (16.4) | 19 (19.8) |
| 4 = early cane | 28 (17.6) | 23 (24.0) |
| 5 = late cane | 11 (6.9) | 10 (10.4) |
| 6 = bilateral support | 18 (11.3) | 3 (3.1) |
| 7 = wheelchair/scooter | 3 (1.9) | 0 (0) |
Abbreviation: MS = multiple sclerosis; PDDS = Patient Determined Disease Steps
a
Inclusive of Primary Progressive and Secondary Progressive subjects