Variable | Unmatched Matched | Mean | % bias | % reduct | t-test | V (T)/V (C) | ||
Treated | Control | |bias| | t | p > |t| | ||||
年龄 | U | 82.821 | 86.538 | −32.100 |
| −10.100 | 0.000 | 0.93* |
M | 82.908 | 82.633 | 2.400 | 92.600 | 1.240 | 0.214 | 0.91* | |
性别 | U | 0.454 | 0.359 | 19.400 |
| 5.960 | 0.000 | . |
M | 0.451 | 0.449 | 0.400 | 97.900 | 0.210 | 0.833 | . | |
受教育程度 | U | 2.547 | 1.868 | 22.400 |
| 6.700 | 0.000 | 1.29* |
M | 2.518 | 2.454 | 2.100 | 90.500 | 1.070 | 0.285 | 1.06* | |
性格 | U | 0.791 | 0.712 | 18.300 |
| 5.900 | 0.000 | . |
M | 0.790 | 0.782 | 1.900 | 89.600 | 1.050 | 0.294 | . | |
婚姻 | U | 0.494 | 0.352 | 29.000 |
| 8.900 | 0.000 | . |
M | 0.491 | 0.475 | 3.300 | 88.500 | 1.700 | 0.089 | . | |
家庭收入对数 | U | 9.770 | 9.582 | 12.400 |
| 3.890 | 0.000 | 0.950 |
M | 9.763 | 9.739 | 1.600 | 87.300 | 0.860 | 0.389 | 1.15* | |
子女数量 | U | 4.030 | 4.568 | −28.000 |
| −8.970 | 0.000 | 0.84* |
M | 4.044 | 3.992 | 2.700 | 90.200 | 1.510 | 0.130 | 1.010 | |
家庭地位 | U | 0.851 | 0.817 | 9.100 |
| 2.910 | 0.004 | . |
M | 0.850 | 0.850 | 0.000 | 100.000 | 0.000 | 1.000 | . |