Table 2.
MSSS-88 subscale | No of items | Items mean (range) | Items SD (range) | Item total correlation | Scale Mean ± SD (range) | Floor effect* % | Ceiling effect* % | Cronbach’s alpha | Cronbach’s alpha original MSSS-88** | Test-retest ICC*** (n = 66) |
---|---|---|---|---|---|---|---|---|---|---|
Muscle Stiffness | 12 | 2.09 - 3.07 | 0.82 - 1.04 | 0.67 - 0.83 | 59.3 ± 25.6 (5.6 – 100.0) | 2.3 | 0.0 | 0.95 | 0.95 | 0.74 |
Pain and Discomfort | 9 | 1.90 - 2.66 | 0.91 - 1.10 | 0.55 - 0.81 | 43.3 ± 26.7 (0.0 – 100.0) | 1.2 | 2.4 | 0.92 | 0.95 | 0.67 |
Muscle Spasms | 14 | 1.43 - 2.61 | 0.68 - 1.15 | 0.42 - 0.75 | 39.6 ± 23.9 (0.0 – 92.3) | 0.0 | 2.3 | 0.92 | 0.93 | 0.47 |
Activities of Daily Living | 11 | 2.16 - 2.74 | 1.03 - 1.17 | 0.81 – 0.90 | 47.1 ± 31.8 (0.0 – 100.0) | 6.0 | 7.1 | 0.97 | 0.95 | 0.87 |
Walking | 10 | 2.82 - 3.21 | 0.83 - 1.02 | 0.63 - 0.87 | 65.7 ± 25.6 (13.3 – 100.0) | 8.6 | 0.0 | 0.95 | 0.96 | 0.67 |
Body Movements | 11 | 2.46 - 3.28 | 0.83 - 1.11 | 0.78 - 0.87 | 58.8 ± 28.2 (6.1 – 100.0) | 7.1 | 0.0 | 0.96 | 0.96 | 0.72 |
Emotional Health | 13 | 1.54 - 2.36 | 0.77 - 1.04 | 0.69 - 0.84 | 34.1 ± 25.6 (0.0 – 94.9) | 0.0 | 1.2 | 0.95 | 0.96 | 0.61 |
Social Functioning | 8 | 1.74 - 2.63 | 0.87 - 1.09 | 0.66 - 0.84 | 36.6 ± 28.1 (0.0 – 100.0) | 1.2 | 7.1 | 0.94 | 0.95 | 0.62 |
*Ceiling and floor effects are the percent of people scoring the best (ceiling, score = 0) or worst (floor, score = 100) possible.
**Hobart et al. [26].
***Intra-Class Correlation Coefficient (ICC).