Table 1.
Participants characteristics.
| Characteristics | All participants |
|---|---|
| No. of study participants | 762 |
| Age, years | 72.3 (7.2) |
| No. of females (%) | 363 (48%) |
| Education, year | 16.3 (2.6) |
| No. of APOE 𝜀4 carriers (%)a | 350 (46%) |
| Aβ positivity (%) | 418 (45%) |
| CN, no. (%) | 183 (24%) |
| SMC, no. (%) | 103 (13.5) |
| EMCI, no. (%) | 175 (23%) |
| LMCI, no. (%) | 157 (20.6%) |
| AD, no. (%) | 144 (18.9%) |
APOE 𝜀4, apolipoprotein; Aβ, amyloid-beta; CN, clinically normal; SMC, subjective memory concerns; EMCI, early mild cognitive impairment; LMCI, late mild cognitive impairment; AD, Alzheimer’s disease. Data are presented as mean (SD) unless otherwise indicated. aAPOE 𝜀4 carriers are the percentage of individuals with at least one APOE 𝜀4 allele.