. Author manuscript; available in PMC: 2014 Sep 1.

Published in final edited form as: J Affect Disord. 2014 May 22;166:179–186. doi: 10.1016/j.jad.2014.05.008

Table 2.

Hierarchical regression model predicting improvement of apathy from baseline left uncinate fasciculus fractional anisotropy (FA) and left posterior subgenual cingulate cortex volume

	Variables	B	SE	β	F	P
Model 1: Adjusted R² = .37 ΔR² = .45					5.728	.00
	AES_baseline	.27	.09	.45		.01
	Age	.22	.15	.24		.17
	Whole brain volume	.02	.00	.45		.01

Model 2: Adjusted R² = .50 ΔR² = .13					6.98	.00
	AES_baseline	.28	.08	.47		.00
	Age	.33	.14	.37		.03
	Whole brain volume	.02	.00	.36		.03
	Left uncinate FA	54.41	21.57	.41		.02

*Model 3:* Adjusted R² = .61 ΔR² = .12					8.73	.00
	AES_baseline	.28	.07	.47		.00
	Age	.32	.12	.36		.02
	Whole brain volume	.01	.00	.25		.09
	Left uncinate FA	51.15	18.91	.39		.01
	Left posterior subgenual cingulate volume	.01	.00	.36		.01