ig | Coef. | Std. Err. | z | P > |z| |
wig | 0.027 | 0.005 | 6.01 | 0.000 |
oig | −0.071 | 0.051 | −1.39 | 0.164 |
pig | −0.006 | 0.001 | −4.72 | 0.000 |
tig | 0.007 | 0.002 | 3.08 | 0.002 |