Table 6.

Sociodemographic variables and regional trace: final models.

	Outcome (Trace; N = 192)
	R Frontal		L Frontal		R Temporal		L Temporal		R Parietal		L Parietal		R Occipital		L Occipital
Predictor	β	sr2	β	sr2	β	sr2	β	sr2	β	sr2	β	sr2	β	sr2	β	sr2
Age	0.52***	0.252	0.53***	0.263	0.38***	0.132	0.34***	0.106	0.45***	0.187	0.46***	0.200	0.41***	0.155	0.41***	0.154
SES	0.20**	0.036	0.16*	0.023	0.19**	0.032	0.16*	0.022	0.07	0.005	0.11	0.011	0.12	0.014	0.20**	0.035
Race	–0.02	0.000	–0.05	0.003	–0.17*	0.027	–0.10	0.009	–0.20**	0.038	–0.15*	0.020	–0.10	0.009	0.07	0.004
Sex	0.26***	0.064	0.24***	0.057	0.17**	0.029	0.23**	0.050	0.32***	0.096	0.30***	0.086	0.22**	0.045	0.22**	0.045

SES = socioeconomic status; R = right; L = left. Final models reflect the models following the backward elimination procedure. *p = 0.05, **p < 0.01, ***p < 0.001. Data reflect standardized regression coefficients (β) and semipartial correlations squared (sr²).