Table 3.

Hierarchical regression analysis of the interaction effects of HAM-D by SI on FAA (F7–F8) in MDD patients (n = 67)

Predictor	Standardized β	Standard error	T	p	ΔR2
Constant		15.292	1.327	0.189	0.030
Sex	0.007	5.905	0.050	0.961
Age	0.162	0.212	1.085	0.282
Alcohol	0.085	5.452	0.529	0.599
Smoking	0.002	6.207	0.015	0.988
Marriage	−0.187	3.389	−1.204	0.233	0.150
HAM-D	−0.251	0.284	−2.066*	0.043
SI	0.319	4.310	2.337*	0.023
HAM-D × SI	1.292	0.588	1.912†	0.061	0.049

HAM-D, Hamilton Rating Scale for Depression; SI, suicidal ideation; FAA, frontal alpha asymmetry; MDD, major depressive disorder.

^*p < 0.05,

^†p < 0.07.