Table 2 Test-retest reliability for the NMDIP scales (n = 185)
From: Stability and relative validity of the Neuromuscular Disease Impact Profile (NMDIP)
Comparison of scores at measurement 0 and 1 | Intraclass correlation (one way random) | ||||||
|---|---|---|---|---|---|---|---|
Cases (N) | Median (IQR) | Cases (N) | Median (IQR) | Z-statistic | p-value* | ||
0 | 1 | ||||||
Muscle Functions | 177 | 4 (2) | 179 | 4 (2) | −2.08 | 0.037 | 0.85 |
Movement Functions | 161 | 2 (3) | 153 | 2 (2) | −.006 | 0.995 | 0.88 |
Excretion and Reproductive Functions | 135 | 2 (3) | 144 | 1 (3) | −1.00 | 0.318 | 0.85 |
Swallowing and Speech Function | 172 | 0 (2) | 180 | 0 (2) | −0.23 | 0.818 | 0.91 |
Mental Functions and Pain | 164 | 4 (4) | 162 | 4 (3) | −3.39 | 0.001 | 0.90 |
Activities of Moving around | 185 | 4 (6) | 185 | 4 (6) | −1.23 | 0.219 | 0.96 |
Self-care and Domestic Activities | 185 | 3 (9) | 185 | 3 (7) | −0.41 | 0.683 | 0.97 |
Participation in Life Situations | 180 | 1 (2) | 182 | 0 (2) | −1.70 | 0.090 | 0.79 |