| Variables | R2 | F | B | SE | β | t | Sig. |
| Constant |
|
| 14.288 | 1.032 |
| 13.849 | 0.000 |
| Means efficacy | 0.503 | 331.243 | 0.678 | 0.037 | 0.709 | 18.200 | 0.000 |