TABLE 1.

Demographic characteristics of the sample, divided between cognitively unimpaired (CU) and subjective cognitive decline (SCD) subjects

	CU (n = 4212)	SCD (n = 2475)
Age (years)	62.4 (± 9.4)	62.7 (± 9.3)
Sex (F)	2102 (49.9%)	1408 (56.9%)
Education (years)	6.3 (± 4.5)	4.8 (± 3.9)
Illiterate	914 (21.7%)	753 (30.5%)
Family income	5.1 (± 3.7)	4.2 (± 2.7)
Race/color skin
White	1739 (42.7%)	824 (34.3%)
Black	375 (9.2%)	256 (10.7%)
Brown/Pardo	1821 (44.8%)	1247 (52.0%)
Asian	40 (1.0%)	18 (0.8%)
Indigenous	94 (2.3%)	54 (2.3%)
Urban zone	3627 (86.1%)	2027 (81.9%)