Table 5.

Interaction between race and household income on children’s whole-brain cortical surface area.

Estimate	b	S.E.	t	p
Sex	16,434.88 ***	289.76	56.72	<0.001
Age	2.25	18.67	0.12	0.904
Hispanic	−2539.44 ***	488.71	−5.20	<0.001
Married	554.52	407.95	1.36	0.174
Education
Less than High School Diploma
High School Diploma/GED	332.76	974.84	0.34	0.733
Some College	1230.71	893.89	1.38	0.169
Bachelor’s	2775.06 **	950.97	2.92	0.003
Postgraduate	4325.67 ***	962.23	4.50	<0.001
Income
<50K
≥50K and < 100K	997.13 #	605.33	1.65	0.100
≥100K	2235.76 ***	632.30	3.54	<0.001
Race
White
Black	−10,161.87 ***	723.10	−14.05	<0.001
Asian American	465.89	2590.25	0.18	0.857
Other/Mixed	−3598.87 ***	741.82	−4.85	0.000
Income ≥ 50K and < 100K × Black	−540.45	1152.50	−0.47	0.639
Income ≥ 100K × Black	−1291.51	1399.77	−0.92	0.356
Income ≥ 50K and < 100K × Asian American	−7583.14 *	3308.44	−2.29	0.022
Income ≥ 100K × Asian American	−6139.97 *	2905.36	−2.11	0.035
Income ≥ 50K and < 100K × Mixed/Other Race	2507.10 *	1074.79	2.33	0.020
Income ≥ 100K × Mixed/Other Race	1540.00	1023.69	1.50	0.133

# p < 0.1, * p < 0.05, ** p < 0.01, *** p < 0.001.