Table 3.

Clusters of significant (p<0.05) sex by alcohol use interaction.

	Cluster Size	Drinks per Drinking Day*Sex			Drinks per Drinking Day, Females (n=66)			Drinks per Drinking Day, Males (n=134)
Regiona	(voxels)	t	p	${\mathit{\eta }}_{\mathit{p}}^{\mathbf{2}}$	t	p	${\mathit{\eta }}_{\mathit{p}}^{\mathbf{2}}$	t	p	${\mathit{\eta }}_{\mathit{p}}^{\mathbf{2}}$
Mean Diffusivity
Body of corpus callosum L	10326	−5.38	<0.01	0.13	4.99	<0.01	0.29	−1.61	0.11	0.01
Radial Diffusivity
Superior corona radiata L	10267	−5.36	<0.01	0.13	5.62	<0.01	0.34	−1.02	0.31	0.01
Inferior fronto-occipital fasciculus R	6432	−5.07	<0.01	0.12	4.34	<0.01	0.24	−1.18	0.24	0.01
Inferior fronto-occipital fasciculus L	1165	−4.51	<0.01	0.10	4.01	<0.01	0.21	−1.51	0.13	0.02
Inferior longitudinal fasciculus L	397	−3.63	<0.01	0.06	2.84	<0.01	0.12	−0.48	0.63	0.00
Superior longitudinal fasciculus L	150	−4.45	<0.01	0.09	3.57	<0.01	0.17	−1.13	0.26	0.01
Superior longitudinal fasciculus L	115	−4.27	<0.01	0.09	2.80	<0.01	0.11	−2.36	0.02	0.04
Posterior corona radiata L	42	−2.57	0.01	0.03	3.19	<0.01	0.14	−0.53	0.60	0.00
Inferior fronto-occipital fasciculus L	31	−3.48	<0.01	0.06	3.07	<0.01	0.13	−1.17	0.25	0.01

^aPeak association

L=Left, R=Right