| Model | Unstandardized coefficients | Standardized coefficients β | t | Sig. | |
| B | Std. error | ||||
| 1 (Constant) SQ | 1.325 0.558 | 0.139 0.044 | 0.579 | 9.536 12.768 | 0.000 0.000 |
| 2 (Constant) SQ FR | 1.262 0.494 0.095 | 0.140 0.050 0.037 | 0.513 0.131 | 9.015 9.872 2.528 | 0.000 0.000 0.012 |
| 3 (Constant) SQ FR SR | 1.025 0.478 0.078 0.135 | 0.167 0.050 0.038 0.052 | 0.496 0.109 0.121 | 6.120 9.526 2.079 2.599 | 0.000 0.000 0.038 0.010 |