Table 4. Results of forward stepwise multiple regression analysis using General fatigue as dependent variable.
| Predictors | Unstandardized Coefficients; B | Standardized Coefficients; β | P value of t-test | R2 | Correlations | VIF | |
|---|---|---|---|---|---|---|---|
| Partial | Part | ||||||
| PSQI | 0.563 | 0.552 | 0 | 0.375 | 0.632 | 0.534 | 1.07 |
| PSQI, BMI | 0.17 | 0.337 | 0.001 | 0.507 | 0.456 | 0.335 | 1.011 |
| PSQI,BMI,VAS | 0.416 | 0.266 | 0.013 | 0.573 | 0.365 | 0.256 | 1.079 |
| BDI-2 | -0.017 | -0.039 | 0.753 | -0.048 | -0.032 | 1.567 | |
Estimated standardized regression coefficients (β) and variance explained (R2) are presented.