TABLE 2.

Linear Regression Models Showing Performance between $\text{Aβ}+$ and $\text{Aβ}-$ Groups on Standard Singe Timepoint Cognitive Assessments

	PACC-5			FCSRT Free Recall			Logical Memory Delayed Recall			6-SRT Total Recall
Predictors	Est.	CI	p	Est.	CI	p	Est.	CI	p	Est.	CI	p
Intercept	0.40	−1.42, 2.21	0.666	2.66	−0.91, 4.40	0.003	−2.97	−4.80, −1.14	0.002	1.02	−0.74, 2.79	0.254
Age	−0.02	−0.05, −0.00	0.038	−0.04	−0.06, −0.02	0.001	0.02	−0.00, 0.04	0.070	−0.02	−0.04, −0.00	0.050
Sex [M]	−0.53	−0.86, −0.20	0.002	−0.53	−0.85, −0.21	0.001	−0.33	−0.66, 0.01	0.056	−0.62	−0.94, −0.30	0.001
Educ.	0.09	0.03, 0.16	0.005	0.03	−0.03, 0.09	0.303	0.09	0.03, 0.16	0.004	0.05	−0.01, 0.11	0.116
Aβ status [+]	−0.29	−0.67, 0.08	0.125	0.03	−0.34, 0.39	0.887	−0.16	−0.54, 0.22	0.417	−0.32	−0.69, 0.05	0.089
R2 / R2 adj	.143 / .122			.166/.145			.084/.061			.152/.130

Note: n=164; PACC5= Preclinical Alzheimer’s Cognitive Composite 5, FCSRT=Free and Cued Selective Reminding Test, 6-SRT= 6-trial Selective Reminding Test, regression coefficients are standardized