Table 3.

Change in R², change in F and regression coefficients for hierarchical regressions for the right anterior cingulate gyrus and left superior frontal gyrus

ROI:	Regression Step	R2 change	F change (p)	Beta (p)
Left superior frontal gyrus	Model 1:	0.164	8.997 (5.51 * 10−9)
	Age			−.191 (.003)
	Sex (Female)			−.071 (.284)
	Total brain volume			−.214 (.002)
	BMI			−.147 (.023)
	IQ			.015 (.802)
	Race (White)			−.122 (.036)
	Model 2:	0.036	6.094 (.003)
	Age			−.179 (.005)
	Sex (Female)			−.081 (.213)
	Total brain volume			−.210 (.002)
	BMI			−.138 (.029)
	IQ			−.044 (.479)
	Race (White)			−.144 (.013)
	Parental education			.240 (6.09 * 10−4)
	Family income			−.091 (.179)
Right anterior cingulate gyrus	Model 1:	0.033	1.592 (.150)
	Age			−.016 (.822)
	Sex (Female)			.021 (.767)
	Total brain volume			−.074 (.318)
	BMI			−.116 (.093)
	IQ			−.047 (.460)
	Race (White)			−.051 (.416)
	Model 2:	0.054	8.098 (3.83 * 10−4)
	Age			−.004 (.957)
	Sex (Female)			.002 (.974)
	Total brain Volume			−.071 (.325)
	BMI			−.104 (.125)
	IQ			−.129 (.055)
	Race (White)			−.081 (.187)
	Parental education			.288 (1.24 * 10−4)
	Family income			−.074 (.307)

Note. SES variables were added simultaneously in Model 2. Significant SES effects (at Bonferroni-corrected threshold) are shown in bold.

BMI = body mass index.