Table 1.

Demographic information from BHR participants

	Full sample	Self-reported MCI group	Self-reported AD group
N	19476	2459	388
Baseline age M +/− SD range	66.26 +/− 6.84 [56, 90]	68.75 +/− 7.36 [56, 90]	70.36 +/− 6.85 [56, 87]
Gender (percent female)	69.5%	59.4%	51.3%
Years education M +/− SD range	16.32 +/− 2.39 [6, 20]	16.25 +/− 2.52 [6, 20]	16.03 +/− 2.62 [6, 20]
Race (percent White/Caucasian)	86.6%	90%	89.7%
Family history of AD (percent responded yes)	34.7%	35.2%	51.5%
Self-reported AD (percent responded yes)	2.0%	13.3%	NA
Self-reported MCI (percent responded yes)	12.6%	NA	84.0%
Subjective memory concern (percent responded yes)	65%	95.4%	92.0%
DET M +/− SD range	2.56 +/− .093 [2.19, 3.37]	2.59 +/− .109 [2.26, 3.28]	2.60 +/− .126 [2.39, 3.29]
IDN M +/− SD range	2.71 +/− .062 [2.38, 3.28]	2.73 +/− .071 [2.53, 3.28]	2.75 +/− .078 [2.59, 3.28]
ONB M +/− SD range	2.88 +/− .089 [2.58, 3.46]	2.90 +/− .093 [2.59, 3.46]	2.92 +/− .095 [2.70, 3.46]
OCL M +/− SD range	1.00 +/− .137 [.223, 1.57]	.95 +/− .139 [.223, 1.57]	.930 +/− .146 [.432, 1.41]