Table 1.

Number of participants with CBB data at each assessment time-point

	All	CN	MCI	AD
Offered Participation	189	.	.	.
Consented to Participate	104	.	.	.
In-clinic (baseline)	104	46	51	7
1–14 days (at-home)	80	37	40	3
6 months (at-home)	37	20	16	1
12 months (at-home)	13	9	4	0
18 months (at-home)	5	5	0	0
24 months (at-home)	1	1	0	0