Table 6.
Multivariable linear regression analysis with QuickDASH
| Questionnaire | β regression coefficient (95% confidence interval) | Standard error | p value | R2 | Variance Inflation Factor | Tolerance | Partial R2 |
|---|---|---|---|---|---|---|---|
| PCS | −0.1297 | 0.0694 | 0.064 | 0.57 | 2.01 | 0.50 | 0.0117 |
| PIPS | 0.0177 | 0.0606 | 0.771 | 2.74 | 0.36 | 0.0003 | |
| PROMIS-PI | 0.6294 | 0.1039 | < 0.001 | 2.79 | 0.36 | 0.1227 | |
| PSEQ | −0.1912 | 0.0680 | 0.006 | 3.07 | 0.33 | 0.0264 |
QuickDASH = short version of the Disabilities of the Arm, Shoulder and Hand (DASH) questionnaire; PCS = Pain Catastrophizing Scale; PIPS = Psychological Inflexibility in Pain Scale; PROMIS-PI = Patient-Reported Outcomes Measurement Information System-Pain Interference; PSEQ = Pain Self-Efficacy Questionnaire.