X4 | 0.060 | —— | —— | —— |
(0.058) | —— | —— | —— | |
X5 | 0.137* | 0.336** |
| 0.055 |
(0.061) | (0.051) |
| (0.057) | |
Z | —— | —— | 0.639** | 0.633** |
—— | —— | (0.037) | (0.038) | |
R2 | 0.631 | 0.631 | 0.401 | 0.536 |
F | 179.774 | 179.774 | 283.309 | 97.067 |