Table 2.
Sociodemographic and clinical characteristics of participants included in the analyses.
| Characteristics | n | Mean (SD) or n (%) |
|---|---|---|
| Baseline age (years) | 535 | 56.4 (3.8) |
| Age at first follow-up (years) | 535 | 70.4 (3.5) |
| Age at second follow-up (years) | 194 | 78.1 (3.2) |
| Follow-up from midlife to first examination (years) | 341 | 13.8 (2.5) |
| Follow-up from midlife to second examination (years) | 194 | 22.1 (2.5) |
| Sex | 535 | |
| Women | 327 (61.1%) | |
| Education (years) | 515 | 8.7 (3.4) |
| APOE ε4 allele | 526 | |
| Carrier | 166 (31.6%) | |
| Healthy dietary change during the past year (yes) | ||
| Have modified the quality of fats | 535 | 128 (23.9%) |
| Have increased the consumption of vegetables | 535 | 286 (53.5%) |
| Have decreased the use of sugar | 535 | 213 (39.8%) |
| Have decreased the use of salt | 535 | 159 (29.7%) |
| Total healthy dietary changes (range 4–8) | 535 | 5.47 (1.3) |
| Healthy diet index (range 1.7–20.9) |
458 | 6.3 (2.8) |
| Midlife cardio/cerebrovascular or respiratory conditions | 535 | |
| Yes | 55 (10.3%) | |
| BMI (kg/m2) | 535 | 27.0 (3.7) |
| Physical activity range (0–5) | 511 | 2.8 (1.4) |