Table 2. Linear regression models predicting functional connectivity (FC)-brain age gap (BAG) (A), S-BAG (B), and FC + S BAG (C).

CDR = Clinical Dementia Rating. FD = framewise displacement.

	A. FC-BAG (df = 348)				B. S-BAG (df = 349)					C. S+FC BAG (df = 348)
	Estimate	SE	p value	ηp2	Estimate	SE	p value	ηp2	Estimate		SE	p value	ηp2
Intercept	30.903	3.809	0.000		5.830	4.899	0.235		11.755		4.197	0.005
CDR > 0	2.169	0.997	0.030	0.013	5.105	1.287	0.000	0.043	4.305		1.099	0.000	0.042
Amyloid+	–1.640	0.776	0.035	0.013	0.900	1.002	0.369	0.002	0.060		0.855	0.944	0.000
Age (y)	–0.586	0.044	0.000	0.335	–0.151	0.057	0.008	0.020	–0.201		0.049	0.000	0.047
Sex = female	–1.174	0.700	0.094	0.008	1.792	0.904	0.048	0.011	0.691		0.771	0.371	0.002
Education (y)	–0.006	0.127	0.964	0.000	–0.155	0.164	0.345	0.003	–0.152		0.140	0.276	0.003
Mean FD	5.528	5.467	0.313	0.003	NA	NA	NA	NA	4.893		6.024	0.417	0.002