Table 3.

Wald (F)-tests for main effects and sex interactions (with linear age)

	Total brain F (df)	Hippocampus F (df)	Log lateral ventricle F (df)	Log white matter hyperintensities F (df)
Sex	2.3[1532]	1.61[1532]	3.04[1532]	0.04[1532]
Age	400.27[1532]d	17.02[1532]d	236.19[1532]d	209.17[1532]d
Height	0[1532]	0.05[1532]	5.49[1532] b	1.47[1532]
Heritage	2.12[6527]b	2.64[6527]b	2.86[6527]c	10.65[6527]d
Sexb Age	11.4[1532] d	4.48[1532] b	1.3[1532]	3.3[1532]a
Sexb Height	0.57[1532]	0.47[1532]	3.02[1532]	0.13[1532]
Sexb Heritage	1.25[6527]	1.9[6527]	1.05[6527]	1.15[6527]
	Frontal cortical gray F (df)	Occipital cortical gray F (df)	Temporal cortical gray F (df)	Parietal cortical gray F (df)	Combined gray F (df)
Sex	0.39[1532]	8.17[1532]c	0.55[1532]	4.28[1532]b	5.93[1532]b
Age	87.66[1532]d	22.36[1532]d	114.83[1532]d	22.06[1532]d	132.69[1532]d
Height	0.04[1532]	0.76[1532]	0.23[1532]	0.07[1532]	0.16[1532]
Heritage	31.69[6527]d	7.59[6527]d	2.01[6527]a	8.46[6527]d	20.43[6527d
Sexb Age	0.01[1532]	4.36[1532] b	4.39[1532] b	3.62[1532]a	3.38[1532] a
Sexb Height	0.18[l532]	5.73[1532]b	0[1532]	3.24[1532]	3.31[1,532] a
	2.23[6527]b	1.54[6527]	1.24[6527]	1.13[6527]	1.68[6527]

Bold indicates significant effects of interest (i.e., Sex* Age)

Key: df = degrees of freedom.

^a= p < 0.07,

^b= p < 0.05,

^c= p < 0.01,

^d= p < 0.001