|
| Unmatched | Mean | %reduct |
| t-test | ||
| Variable | Matched | Treated | Control | %bias | bias | t | P > t |
| gy | Unmatched | 77.94 | 73.73 | 37.90 |
| 3.61 | 0.00 |
|
| Matched | 77.99 | 75.71 | 20.60 | 45.70 | −0.05 | 0.96 |
| gd | Unmatched | 79.02 | 81.22 | −14.50 |
| −1.38 | 0.17 |
|
| Matched | 79.95 | 78.29 | 10.90 | 24.70 | 1.5 | 0.13 |
| dy | Unmatched | 73.41 | 79.14 | −59.90 |
| −5.7 | 0.00 |
|
| Matched | 74.24 | 72.44 | 18.70 | 68.70 | 4.47 | 0.00 |