| Coefficientsa | ||||||
| Model | Unstandardized Coefficients | Standardized Coefficients | t | Sig. | ||
| B | Std. Error | Beta | ||||
| 1 | (Constant) | 5.133 | 1.374 |
| 8.736 | 0.000 |
| GP | 0.426 | 0.049 | 0.240 | 4.900 | 0.000 | |
| EE | 0.097 | 0.373 | 0.431 | 1.142 | 0.543 | |
| WRR | 0.238 | 0.049 | 0.096 | 1.994 | 0.047 | |