Table 3.

Sociodemographic variables and regional fractional anisotropy: final models.

	Outcome (Fractional Anisotropy; 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	–0.31***	0.088	–0.29***	0.078	–0.09	0.008	–0.18*	0.029	–0.26***	0.062	–0.28***	0.072	–0.28***	0.075	–0.24**	0.052
SES	–0.28***	0.069	–0.25**	0.058	–0.17*	0.026	–0.20**	0.035	–0.15*	0.020	–0.21**	0.041	–0.26***	0.061	–0.24**	0.050
Race	–0.09	0.008	–0.08	0.006	–0.02	0.000	0.01	0.000	0.04	0.002	–0.03	0.001	–0.04	0.002	–0.05	0.002
Sex	–0.13	0.016	–0.07	0.005	–0.14	0.018	–0.13	0.017	–0.16*	0.023	–0.09	0.008	–0.08	.007	–0.12	0.014

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).