First Expansion

Second Expansion

Third Expansion

P^IVL

${\beta }_3$

−0.55***

−1.97***

−0.14**

Std. Error

(0.17)

(0.31)

(0.27)

P^IVH

${\beta }_3$

−0.47***

−1.81***

−1.22***

Std. Error

(0.18)

(0.28)

(0.28)