| 预测变量 | (常量) | x1 | x6 | x8 | x2 |
| 回归系数 | 7.951 | 0.302 | 0.120 | 0.214 | 0.283 |
| Sig | 0.239 | 0.000 | 0.369 | 0.004 | 0.046 |
| VIF |
| 8.299 | 5.933 | 8.249 | 7.470 |