Table 1.
Descriptive Statistics for Demographic, Clinical, and Key Study Variables by Diagnosis
| Variable | MD n = 74 | MS n = 129 | PPS n = 141 | SCI n = 164 |
|---|---|---|---|---|
| Age (possible range = NA) | 53.53 (1.27)a | 53.88 (.96)a | 66.09 (.92)b | 50.41 (.85)c |
| Pain intensity (possible range = 0–100) | 51.53 (2.15)b | 52.95 (1.63)b | 56.69 (1.56) | 59.11 (1.45)a |
| Pain Interference (possible range = 0–100) | 16.46 (.67) | 16.49 (.52)a | 17.62 (.49)b | 16.40 (.46)b |
| Years since diagnosis (possible range = NA) | 15.65 (1.21) | 14.95 (.90) | 15.48 (.92) | 17.01 (.80) |
| Activity engagement (possible range = 0–66) | 43.34 (1.45) | 44.24 (1.10) | 42.16 (1.05) | 43.35 (1.00) |
| Pain willingness (possible range = 0–54) | 30.16 (1.27) | 27.12 (.96) | 26.58 (.92) | 29.01 (.85) |
| Depressive symptoms (possible range = 0–27) | 7.23 (.60) | 8.67 (.46)a | 6.93 (.44)b | 7.17 (.41)b |
| Quality of life (possible range = 1–7) | 4.47 (.16) | 4.56 (.12) | 4.69 (.12) | 4.57 (.11) |
| Social role satisfaction (possible range = 0–100) | 20.99 (.81)b | 20.16 (.61) | 18.84 (.58)a | 20.95 (.54)b |
| Frequencies N (%) | ||||
| Gender n (%) female | 39 (52.7) | 112 (86.8) | 111 (78.7) | 51(31.1) |
| Education | ||||
| <12th grade | 2 (2.7) | 1 (0.8) | 1 (0.7) | 8 (4.8) |
| High school or GED | 9 (12.2) | 13 (10.1) | 15 (10.6) | 19 (11.6) |
| Vocational/Tech school | 3 (4.1) | 10 (7.8) | 3 (2.1) | 13 (7.9) |
| Some college | 19 (25.7) | 47 (36.4) | 34 (24.1) | 50 (30.5) |
| College graduate | 20 (27.0) | 36 (27.9) | 40 (28.4) | 53 (32.3) |
| Graduate or professional school | 21 (28.4) | 22 (17.1) | 48 (34.0) | 21 (12.8) |
| Mobility limitations (GMFCS) | ||||
| 0. Walk without restrictions | 2 (2.7) | 22 (17.1) | 5 (3.5) | 5 (3.1) |
| 1. Walk w/o restrictions, but have limitations in more advanced gross motor skills | 13 (17.6) | 22 (17.1) | 9 (6.4) | 8 (5.0) |
| 2. Walk w/o an assistive device and have limits walking outdoors & in the community | 21 (28.4) | 33 (25.6) | 26 (18.4) | 13 (8.1) |
| 3. Walk with assistive mobility device & have limits walking outdoors & in the community | 21 (28.4) | 27 (20.9 | 40 (28.4) | 16 (9.9) |
| 4. Limited self-mobility with assistance or device & use power mobility outdoors & in community | 13 (17.6) | 18 (14.0) | 42 (29.8) | 91 (56.5) |
| 5. Severely limited self-mobility even with use of assistive technology | 4 (5.4) | 7 (5.4) | 19 (13.5) | 28 (17.4) |
Note. GED = General Education Development (high school equivalency test); GMFCS = Gross Motor Functioning Scale (Palisano, et al., 1997); MD = muscular dystrophy; MS = multiple sclerosis; PPS = post-polio syndrome; SCI = spinal cord injury.
a,b,c
Means with different superscripts are significantly different in general linear models with simple group contrasts.