| TE effect | SE | t-value | p-value | Treated sample matched | |
| Nearest (1:1) | 0.077 | 0.021 | 3.785 | 0.000 | 122 |
| Caliper (0.03) | 0.061 | 0.017 | 3.544 | 0.000 | 109 |
| Caliper (0.04) | 0.064 | 0.018 | 3.585 | 0.000 | 113 |
| Caliper (0.05) | 0.063 | 0.018 | 3.534 | 0.000 | 114 |