XM | 2.144*** | 0.317 | 0.000 |
XM x aid | −3.797 | 2.963 | 0.200 |
S | 4.024*** | 0.542 | 0.000 |
S x aid | −15.07*** | 4.805 | 0.002 |
R-sq | 0.687 |
|
|
Wald chi2 (4) | 606.85 |
|
|
Prob > chi2 | 0.000 |
|
|