Table 1.

Participant demographics

	HC (N = 78)	SCD (N = 40)	MCI (N = 25)	CU (N = 105)	CI (N = 38)	Total (N = 143)
Age (years)	68.2 (5.47)	69.2 (7.67)	69.2 (6.79)	67.9 (6.01)	70.7 (6.92)	68.6 (6.36)
Education (years)	15.9 (2.82)	14.6 (2.64)	13.9 (2.49)	15.7 (2.79)	13.9 (2.55)	15.2 (2.82)
Sex (female)	67.9%	52.5%	36%	62.9%	44.7%	58%
MMSE	29.5 (0.72)	29.4 (0.9)	26.9 (2.74)	29.6 (0.69)	27.5 (2.41)	29 (1.64)
RDMC	0.01 (0.67)	−0.21 (0.6)	−1.03 (0.69)	0 (0.65)	−0.87 (0.66)	−0.23 (0.76)

Abbreviations: N number of participants, HC Healthy Controls, SCD subjective cognitive decline, MCI mild cognitive impairment, MMSE mini-mental state examination, RDMC remote digital memory composite, CU and CI cognitively (un)impaired based on clinical diagnosis or the most recent PACC5. Displays mean values (standard deviations) unless otherwise stated.