Table 2.
Participant demographics. Includes data from subset (n=34) included in validation analyses.
| Demographics | Values | |
| Age (y), mean (SD) | 71.6 (5.5) | |
| Education (y), mean (SD) | 16.4 (2.7) | |
| Sex, n (%) | ||
| 
 | 
Male | 11 (32) | 
| 
 | 
Female | 23 (68) | 
| Race, n (%) | ||
| 
 | 
Asian | 2 (6) | 
| 
 | 
Black or African American | 12 (35) | 
| 
 | 
White | 19 (56) | 
| 
 | 
Not reported | 1 (3) | 
| English as a second language, n (%) | 4 (12) | |
| Ethnicity, n (%) | ||
| 
 | 
Hispanic or Latinx | 1 (3) | 
| 
 | 
Not Hispanic or Latinx | 33 (97) | 
| Living status, n (%) | ||
| 
 | 
Live alone | 11 (32) | 
| 
 | 
Live with others | 23 (68) | 
| Current occupational status, n (%) | ||
| 
 | 
Full-time employee, volunteer, or student | 3 (9) | 
| 
 | 
Part-time employee, volunteer, or student | 4 (12) | 
| 
 | 
Retired | 27 (79) | 
| Highest annual household income (US $), n (%) | ||
| 
 | 
<30,0000 | 2 (6) | 
| 
 | 
30,000-49,000 | 4 (12) | 
| 
 | 
50,000-69,000 | 3 (9) | 
| 
 | 
70,000-89,000 | 5 (15) | 
| 
 | 
90,000-99,000 | 3 (9) | 
| 
 | 
100,000-149,000 | 6 (18) | 
| 
 | 
≥150,000 | 8 (24) | 
| 
 | 
Prefer not to answer | 3 (9) | 
| Phone type, n (%) | ||
| 
 | 
iPhone | 26 (76) | 
| 
 | 
Android | 8 (24) | 
| Smartphone portability a , n (%) | ||
| 
 | 
Yes | 32 (94) | 
| 
 | 
Half the time | 2 (6) | 
| 
 | 
No | 0 (0) | 
| Consensus diagnosis, n (%) | ||
| 
 | 
Healthy cognition | 28 (82) | 
| 
 | 
MCIb | 5 (15) | 
| 
 | 
Mild dementia | 1 (3) | 
aSmartphone portability=usually has smartphone when leaves home (no=1, in between=2, and yes=3).
bMCI: mild cognitive impairment.