| Model | Unstandardized Coefficients | Standardized Coefficients | t | Sig. | ||
| B | Std. Error | Beta | ||||
| 1 | (Constant) | 52.658 | 3.524 | 14.94 | 0.000 | |
| Self-Efficacy | −0.763 | 0.101 | −0.334 | −7.54 | 0.000 | |
| 2 | (Constant) | 45.642 | 4.233 | 10.78 | 0.000 | |
| Self-Efficacy | −0.770 | 0.101 | −0.337 | −7.66 | 0.000 | |
| Conscientiousness | 1.081 | 0.368 | 0.129 | 2.94 | 0.003 | |
| 3 | (Constant) | 42.895 | 4.344 | 9.88 | 0.000 | |
| Self-Efficacy | −0.785 | 0.100 | −0.344 | −7.85 | 0.000 | |
| Conscientiousness | 0.963 | 0.369 | 0.115 | 2.61 | 0.009 | |
| Openness | 0.797 | 0.313 | 0.113 | 2.54 | 0.011 | |