| 项目 | 系数 | T值 | P值 | 方差膨胀因子 |
| 常量 | 28.337 | 34.07 | 0.000 | 1.00 |
| A | 2.199 | 6.11 | 0.000 | 1.00 |
| B | 1.318 | 3.66 | 0.005 | 1.00 |
| C | 1.729 | 4.80 | 0.001 | 1.00 |
| D | 0.688 | 1.91 | 0.089 | 1.00 |
| AA | −2.782 | −3.07 | 0.013 | 1.00 |
| AB | −0.456 | −1.27 | 0.237 | 1.00 |
| AC | −0.240 | −0.67 | 0.522 | 1.00 |
| BD | 0.845 | 2.35 | 0.044 | 1.00 |
| CD | 0.291 | 0.81 | 0.440 | 1.00 |