TABLE 1.
Comparison of data subsets
| SP‐ECog+ / CBB+ | SP‐ECog+ / CBB‐ | SP‐ECog‐ / CBB+ | SP‐ECog‐ / CBB‐ | |
|---|---|---|---|---|
| Total subjects, n | 148 | 264 | 361 | 664 |
| Age, mean (SD) | 72.7 (5.3) | 73.4 (5.4) | 73.0 (5.4) | 73.5 (5.5) |
| Female, n (%) | 56 (37.8%) | 108 (40.9%) | 147 (40.7%) | 294 (44.3%) |
| Education, mean (SD) | 16.5 (2.7) | 16.2 (2.8) | 16.5 (2.6) | 16.2 (2.7) |
| FamHxAD, n (%) | 49 (33.1%) | 80 (30.3%) | 119 (33.0%) | 213 (32.1%) |
| Self_SMC, n (%) | 133 (89.9%) | 242 (91.7%) | 313 (86.7%) | 593 (89.3%) |
| Self‐ECog, mean (SD) | 1.78 (0.57) | 1.84 (0.64) | 1.70 (0.54) | 1.78 (0.61) |
| GDS_Score, mean (SD) | 2.14 (2.34) | 2.46 (2.68) | 2.17 (2.39) | 2.46 (2.68) |
| AD, n (%) | 11 (7.4%) | 52 (19.7%) | 30 (8.3%) | 105 (15.8%) |
| MCI, n (%) | 110 (74.3%) | 185 (70.1%) | 243 (67.3%) | 459 (69.1%) |
| Aβ+, n (%) | 84 (56.8%) | 168 (63.6%) | 177 (49.0%) | 365 (55.0%) |
Abbreviations: AD, diagnosed with Alzheimer's disease; Aβ+, amyloid beta positive.; CBB‐, subset does not includes Cogstate Brief Battery scores; CBB+, subset includes Cogstate Brief Battery scores; FamHxAD, family history of Alzheimer's disease; GDS_Score, Geriatric Depression Scale (short form) score; MCI, diagnosed with mild cognitive Impairment; SD, standard deviation; Self_SMC, self‐reported subjective memory concern; Self‐ECog, self‐assessed Everyday Cognition metric; SP‐ECog‐, subset does not include study partner–assessed Everyday Cognition scores; SP‐ECog+, subset includes study partner–assessed Everyday Cognition scores.