Table 8 Matching algorithms
| Matching algorithm | Balancing test | Pseudo R2 | Sample size |
|---|---|---|---|
| Kernel | |||
| 0.01 | 7 | 0.4895 | 260 |
| 0.1 | 9 | 0.4895 | 327 |
| 0.25 | 9 | 0.4895 | 327 |
| 0.5 | 8 | 0.4895 | 327 |
| Caliper | |||
| 0.01 | 8 | 0.4895 | 260 |
| 0.1 | 6 | 0.4895 | 265 |
| 0.25 | 6 | 0.4895 | 265 |
| 0.5 | 5 | 0.4895 | 265 |
| Neighbor | |||
| 1 | 8 | 0.4895 | 265 |
| 2 | 7 | 0.4895 | 265 |
| 3 | 7 | 0.4895 | 265 |
| 4 | 6 | 0.4895 | 265 |
| 5 | 6 | 0.4895 | 265 |
| Radius caliper | |||
| 0.01 | 5 | 0.4895 | 160 |
| 0.1 | 9 | 0.4895 | 327 |
| 0.25 | 9 | 0.4895 | 327 |
| 0.5 | 8 | 0.4895 | 360 |