Table 3.

Hierarchical linear regressions predicting Hamilton Depression Rating Scale pre- to post-change by negative emotion indices.

Pred./Outcome	Hamilton Depression Rating Scale
	β	SE	t	p	${\eta }_p^2$
Model 1				R2:	0.47
NED	−0.15	0.13	−1.11	0.278	0.04
Pre-Tx Sym.	−0.67	0.13	−4.94	<0.001	0.46
Model 2				R2:	0.48
NED	−0.15	0.14	−1.08	0.289	0.04
Mean NE	0.08	0.15	0.54	0.596	0.01
Pre-Tx Sym.	−0.69	0.15	−4.78	<0.001	0.45
Model 3				R2:	0.49
NED	−0.22	0.16	−1.32	0.197	0.06
Mean NE	0.06	0.15	0.40	0.696	0.01
NEV	−0.14	0.18	−0.78	0.445	0.02
Pre-Tx Sym.	−0.64	0.16	−3.91	0.001	0.36
Model 4				R2:	0.59
NED	−0.05	0.16	−0.31	0.755	0.08
Mean NE	0.07	0.14	0.51	0.617	0.01
NEV	−0.04	0.17	−0.25	0.807	0.03
NED X NEV	0.43	0.17	2.55	0.017	0.20
Pre-Tx Sym.	−0.84	0.17	−4.99	<0.001	0.49

Pred., predictor; NED, negative emotion differentiation; Pre-Tx Sym., pre-therapy symptoms; NEV, negative emotion variability; and NE, negative emotion. Using bold font was meant to make significant results more noticeable.