Table 1:
Participant demographics and clinical characteristics for adults with multiple sclerosis (N = 290).
| Mean (Standard Deviation) | Range | |
|---|---|---|
| Age (years) | 52.2 (12.1) | 22-78 |
| Sex (n (%)) | 238 (82)F / 51 (18)M | |
| Race (n (%)) | ||
| Caucasian | 231 (80) | |
| Black/African American | 46 (16) | |
| Latino/Latina | 6 (2) | |
| Other | 5 (2) | |
| MS Type (n (%)) | ||
| Relapsing Remitting MS | 262 (90) | |
| Secondary Progressive MS | 13 (5) | |
| Primary Progressive MS | 6 (2) | |
| Benign | 5 (2) | |
| Disease Duration (years) | 15.0 (9.2) | 0.5-48.0 |
| PDDS (median [IQR]) | 1 [2] | 0-3 |
|
| ||
|
Sleep Parameters
| ||
| PSQI Global Score | 7.5 (3.8) | 0.0-18.0 |
| Poor Sleepers (n (%)) | 223 (77) | |
| Total Time in Bed (hours) | 8.3 (1.3) | 4.0-12.5 |
| Sleep Duration (hours) | 7.0 (1.4) | 2.5-12.0 |
| Sleep Efficiency (%) | 84.8 (14.8) | 31.8-125.0 |
| Sleep Onset Latency (min) | 26.0 (26.4) | 0.0-210.0 |
|
| ||
|
Accelerometry Parameters
| ||
| Average Accelerometer Wear Time | 823.0 (87.1) | 627.0-1228.3 |
| Sedentary Behavior (min/day) | 510.2 (94.0) | 237.4-830.8 |
| % Sedentary Time | 62.1 (9.8) | 25.7-86.6 |
| LPA (min/day) | 289.6 (81.8) | 96.0-607.8 |
| % Time in LPA | 35.1 (9.0) | 13.3-63.9 |
| MVPA (min/day) | 23.3 (22.0) | 0.2-145.0 |
| % Time MVPA | 2.8 (2.5) | 0.0-15.6 |
Note: Data are presented as mean (standard deviation) unless otherwise specified. MS multiple sclerosis; PDDS Patient Determined Disease Status; IQR interquartile range; PSQI Pittsburgh Sleep Quality Index; LPA light physical activity; MVPA moderate-to-vigorous physical activity.