| 变量 | N | 平均值 | 标准差 | 最小值 | 最大值 |
| Satisfaction | 30,679 | 0.7435 | 0.3213 | 0 | 1 |
| benefits | 30,679 | 0.3681 | 0.0649 | 0 | 1 |
| feel | 30,679 | 0.3323 | 0.0512 | 0 | 1 |
| properties | 30,679 | 0.4036 | 0.0422 | 0 | 1 |
| gift | 30,679 | 0.3722 | 0.0462 | 0 | 1 |
| look | 30,679 | 0.3672 | 0.0584 | 0 | 1 |
| value | 30,679 | 0.3279 | 0.0668 | 0 | 1 |
| express | 30,679 | 0.3456 | 0.0486 | 0 | 1 |
| service | 30,679 | 0.3779 | 0.0381 | 0 | 1 |
| promote | 30,679 | 0.4149 | 0.0347 | 0 | 1 |