Table 1.

Descriptive characteristics of the participants.

	Mean ± SD / Frequency
Age	68.56 ± 9.45
Education	15.60 ± 2.77
7–12	182 (20.1%)
13–15	175 (19.3%)
16–17	259 (28.6%)
18–29	288 (31.8)
Gender
Male (0)	409 (45.2%)
Female (1)	495 (54.8%)
MMSE	28.07 ± 2.75
CDR
0 (No impairment)	635 (70.2%)
0.5 (Very mild)	201 (22.2%)
1 (Mild)	65 (7.2%)
2 (Moderate)	3 (0.3%)
Diagnosis
Cognitively normal	636 (70.4%)
AD dementia	174 (19.2%)
AD dementia with other comorbidities	43 (4.8%)
Non-AD / Uncertain	69 (7.6%)
Questionable impairment	25 (2.8%)