| Model 1 | Model 2 | Model 3 | Model 4 |
| 0.366*** (2.84) |
|
| 0.330*** (2.42) |
| 0.184** (1.96) | 0.323*** (3.48) | 0.295*** (3.18) | 0.157* (1.73) |
|
| 0.182 (1.39) |
| −0.006 (0.87) |
|
|
| 0.296* (1.74) | 0.174 (1.04) |
Constant | 0.169*** (3.76) | 0.186*** (2.69) | 0.148** (1.96) | 0.133* (1.74) |
R-squared | 0.464 | 0.486 | 0.347 | 0.586 |