TABLE 5.

Results of the hierarchical linear regression analysis.

Variables	Burnout
	Step 1 (β)	Step 2 (β)	Step 3 (β)
Sex	−3.015	−1.002	–0.310
Dummy 1	−5.102∗∗	−2.204	–2.295
Dummy 2	−2.082	−0.520	0.024
Age	−0.124	−0.203∗	–0.170
ERI		15.483∗∗∗	17.698∗∗∗
Overcommitment		0.568∗∗	0.385∗
ERI∗overcommitment			–0.977∗∗
R2	0.037	0.391	0.403
ΔR2	0.037∗∗	0.353∗∗∗	0.013∗∗

Dummy 1, “primary school” vs. “junior high school”; Dummy 2, “high school” vs. “junior high school.” ^∗p < 0.05; ^∗∗p < 0.01; ^∗∗∗p < 0.001.