| Coefficient | |||||
| Variables | B | Standard error | Standard coefficient | t | Sig. |
| Constant | −0.261 | 0.215 | Beta | −1.216 | 0.232 |
| x1 | 0.368 | 0.032 | 0.868 | 11.404 | ***0.000 |
| x2 | 0.413 | 0.055 | 0.570 | 7.474 | ***0.000 |
| x3 | 0.130 | 0.041 | 0.228 | 3.163 | *0.003 |