TABLE 3.

Hierarchical multiple regression analysis results that predict ASE.

	Step 1		Step 2
	β	t	β	t
Gender (1 = female, 2 = male)	0.118	2.066*	–0.019	–0.429
Residence (1 = urban areas, 2 = rural areas)	0.019	0.332	0.021	0.499
Type of school (1 = key colleges, 2 = general colleges)	–0.043	–0.756	0.064	1.486
Grade (1 = freshman, 2 = sophomore, 3 = junior, and 4 = senior)	0.132	2.316*	0.126	2.967**
Social support			0.103	1.758
Professional identity			0.611	10.166***
R2	0.037		0.474
F	2.835*		44.251***
ΔR2	0.024		0.437
ΔF	2.835*		122.446***

*p < 0.05, **p < 0.01, ***p < 0.001.