Variable | LLC | Fisher | IPS |
| −8.818 (0.000***) | 186.452 (0.000***) | −2.447 (0.007***) |
| −7.904 (0.000***) | 198.282 (0.000***) | −5.199 (0.000***) |
| −6.599 (0.000***) | 119.220 (0.000***) | −4.164 (0.000***) |