| ETR | 回归系数 | 系数标准差 | T值 | P值 |
| Salary | 0.015*** | 0.002 | 8.70 | 0.000 |
| ROA | −0.316*** | 0.037 | −8.44 | 0.000 |
| LEV | −0.016 | 0.010 | −1.55 | 0.121 |
| Size | 0.002 | 0.001 | 1.64 | 0.101 |
| Invent | 0.133*** | 0.012 | 11.54 | 0.000 |
| Intang | 0.144*** | 0.024 | 5.88 | 0.000 |
| Growth | 0.004*** | 0.002 | 2.62 | 0.009 |
| Constant | −0.100*** | 0.036 | −2.81 | 0.005 |
| N | 6725 | |||
| R2 | 0.0577 | |||
| F | 58.71 | |||