| Model | Unstandardized Coefficients | Standardized Coefficients | t | Sig. | ||
| B | Std. Error | Beta | ||||
| 1 | (Constant) | 0.280 | 0.043 |
| 6.510 | 0.000 |
| SF | 0.062 | 0.085 | 0.072 | 0.726 | 0.468 | |
| RA | 0.724 | 0.085 | 0.840 | 8.472 | 0.000 | |