| 变量名称 | 参与社交活动 |
| 不参与社交活动 |
| 全部观测值 | |||||
| 均值 | 标准差 |
| 均值 | 标准差 |
| 均值 | 标准差 | 最小值 | 最大值 | |
| Satis | 3.299 | 0.773 |
| 3.256 | 0.837 |
| 3.277 | 0.806 | 1 | 5 |
| Social | − | − |
| − | − |
| 0.488 | 0.5 | 0 | 1 |
| Gender | 0.516 | 0.5 |
| 0.496 | 0.5 |
| 0.506 | 0.5 | 0 | 1 |
| Age | 68.182 | 6.352 |
| 69.152 | 6.732 |
| 68.678 | 6.567 | 60 | 108 |
| Education | 2.216 | 0.954 |
| 1.917 | 0.848 |
| 2.063 | 0.913 | 1 | 4 |
| Location | 0.235 | 0.424 |
| 0.132 | 0.339 |
| 0.183 | 0.386 | 0 | 1 |
| Marital | 0.794 | 0.404 |
| 0.801 | 0.399 |
| 0.798 | 0.402 | 0 | 1 |
| Health | 0.233 | 0.423 |
| 0.191 | 0.393 |
| 0.212 | 0.409 | 0 | 1 |
| 观测值 | 4748 |
| 4974 |
| 9722 |
| ||||