Table 2.

Sample characteristics.

Mean ± SD Median Range Interquartile range	All enrolled participants (n = 28)	Participants who completed 6-month data collection (n = 22)	Participants who dropped out (n = 6)
Age	78.1 ± 8.34	78.1 ± 8.51	78.2 ± 8.6
	78.0	78.0	79.0
	60–91	60–91	64–89
	11	12	14
Education (years)	16.1 ± 2.98	16.0 ± 3.12	16.3 ± 2.66
	16.0	16.0	16.0
	12–24	12–24	12–20
	3.8	3.3	3.5
Baseline MMSE	19.9 ± 4.02	20.3 ± 3.67	18.2 ± 5.11
	21.0	21.0	19.0
	12–27	12–27	12–23
	6	3	10
Baseline CDR	1	1	2
	1	1	1.5
	1–3	1–2	1–3
	0	0	2.0
No. (%) male	11 (39.3%)	8 (36.4%)	3 (50%)

Note: CDR, clinical dementia rating scale; MMSE, mini-mental state examination; SD, standard deviation.