Table 5.
Multiple linear regression analysis for mean of perceived difficulty to photographs and videos in each group
| Group | Regression coefficient (B) | Standardized coefficient (β) | P-value | VIF | Overall model | ||
|---|---|---|---|---|---|---|---|
|
| |||||||
| R2 | Adjusted R2 | F | |||||
| CLBP | 0.46 | 0.44 | 24.19 | ||||
| Predictor variable | |||||||
| RMDQ | 30.24 | 0.68 | 0.63 | 1.00 | |||
| Excluded variable | |||||||
| PCS | - | 0.15 | 0.32 | 1.15 | |||
| TSK-11 | - | −0.03 | 0.88 | 1.13 | |||
| CPSS | - | 0.16 | 0.24 | 1.00 | |||
|
| |||||||
| CG | 0.40 | 0.38 | 17.59 | ||||
| Predictor variable | |||||||
| CPSS | −3.83 | −0.58 | <0.01 | 1.02 | |||
| PCS | 8.27 | 0.43 | 0.003 | 1.02 | |||
| Excluded variable | |||||||
| RMDQ | - | 0.94 | 0.49 | 1.04 | |||
| TSK-11 | - | 0.25 | 0.08 | 1.24 | |||
VIF, variance inflation factor; CLBP, chronic low back pain; CG, control group; RMDQ, Roland-Morris Disability Questionnaire; PCS, Pain Catastrophizing Scale; TSK-11, Tampa Scale of Kinesiophobia-11; CPSS, Chronic Pain Self-Efficacy Scale.