| Model | Unstandardized Coefficients | Standardized Coefficients | t | Sig. | ||
| B | Std. Error | Beta | ||||
| 1 | (Constant) | 36.681 | 4.750 |
| 7.723 | 0.000 |
| Krain | 0.032 | 0.008 | 0.912 | 4.097 | 0.001 | |
| Duration | −0.133 | 0.044 | −0.673 | −3.024 | 0.007 | |