Table 2.

Results from univariate regression modelling of the association between covariates of interest and total subcortical volume

	Total subcortical volume			Total
	B	SE	p value
Sex
Female
Male	4055.83	109.43	< 0.0001	7005	(100.00)
Age
Years	483.50	98.12	< 0.0001	7005	(100.00)
Ethnicity
White*
Black/African American	− 3187.04	173.91	< 0.0001
Hispanic	− 1775.08	147.66	< 0.0001
Other	− 1338.85	182.72	< 0.0001	7005	(100.00)
Cognition
Raw score	58.08	3.27	< 0.0001	6769	(96.63)
SRS
Standardised score	4.66	14.55	0.7490	7005	(100.00)
Externalising symptoms
Standardised score	− 17.29	5.83	0.0030	7003	(100.00)
Internalising symptoms
Standardised score	− 0.02	5.60	0.9970	7003	(100.00)
ICV
mm3	0.03	0.00	< 0.0001	7003	(100.00)
Family income
$34,999 or less*
$99,999 or less	1586.39	169.03	< 0.0001
$199,999 or less	2415.20	172.49	< 0.0001
$200,000 +	3027.52	217.70	< 0.0001	6463	(92.26)

ICV intracranial volume

*Indicator variable