Table 3.
Pearson correlations and separate hierarchical regression analyses showing the correlation between each independent variable and the dependent variables (SPADI and SPADI-F) as well as the variance in SPADI and SPADI-F score explained by each independent variable (n = 156)
| Variables | SPADI | SPADI-F | ||
|---|---|---|---|---|
| Pearson’s R | ∆R2-adj (adjusteda) | Pearson’s R | ∆R2-adj (adjusteda) | |
| Abd-ROM | −0.32*** | 2.0%* | −0.36*** | 3.4%* |
| Abd-Strength | −0.18 | 0.0% | −0.22* | 0.2% |
| ER-Strength | −0.18 | −0.1% | −0.22* | 0.2% |
| pAbd-ROM | 0.54**** | 18.3%**** | 0.48**** | 13.7%**** |
| pAbd-Strength | 0.28** | 4.1%* | 0.28** | 5.1%** |
| pER-Strength | 0.45*** | 10.2%*** | 0.42*** | 9.4%*** |
| Pain-last-week | 0.64**** | 25.0%**** | 0.55**** | 17.3%**** |
| Tampa scale (TSK-11) | 0.31*** | 4.5%** | 0.24** | 2.6%* |
* p < 0.05, ** p < 0.01, *** p < 0.001, **** p < 0.0001
aadjusted for Age, Gender, Affected Side, Sick Leave and Medication Use