Table 5.
Test-retest Statistics of the Pain Catatstrophizing Scale (n = 60)
| |
Mean (S.D.) |
Mean (S.D.) |
ICC (95% CI) |
SEM |
MDC95 |
MDC% |
|---|---|---|---|---|---|---|
| test | retest | |||||
|
Total score (0–52) |
13.6 (8.9) |
14.1 (9.5) |
0.85 (0.76, 0.91) |
4.6 |
12.8 |
24.6 |
|
Rumination (0–16) |
5.0 (3.4) |
5.2 (4.0) |
0.74 (0.56, 0.84) |
2.4 |
6.7 |
41.6 |
|
Magnification (0–12) |
2.7 (2.2) |
2.6 (2.3) |
0.82 (0.70, 0.89) |
1.2 |
3.5 |
29.0 |
| Helplessness (0–24) | 5.9 (4.3) | 6.3 (4.1) | 0.87 (0.78, 0.92) | 2.0 | 5.6 | 23.3 |
ICC: Intraclass correlation coefficient; SEM: standard error of measurement. MDC: minimum detectable change.
SEMconsistency = √Within people Residual Mean square.
MDC95 = 1.96 × √2 × SEM.
MDC % = MDC as percentage of maximum sore.