Table 1 Participant characteristics
Variable | Value (n = 178) |
|---|---|
Age (years) | 76.2 ± 4.4 |
Sex, women | 106 (59.6%) |
Education | |
No diploma or primary school certificate | 47 (26.6%) |
Secondary education no high-school diploma | 49 (27.7%) |
High school diploma | 24 (13.6%) |
University level | 57 (32.2%) |
MAPT group allocation | |
Multidomain intervention | 39 (21.9%) |
n-3 PUFA supplementation | 42 (23.6%) |
Multidomain intervention and n-3 PUFA supplementation | 49 (27.5%) |
Placebo | 48 (27.0%) |
Season of vitamin D measurement | |
Winter | 71 (39.9%) |
Spring | 37 (20.8%) |
Summer | 15 (8.4%) |
Autumn | 55 (30.9%) |
BMI (kg/m2) | 26.6 ± 4.0 |
CDR 0.5 | 79 (44.4%) |
MMSE score (/30) | 28.3 ± 1.6 |
ApoE ε4 carriersa | 42 (25.6%) |
25-Hydroxyvitamin D (ng/ml) | 22.4 ± 10.8 |
25-Hydroxyvitamin D < 20 ng/ml | 81 (45.5%) |
25-Hydroxyvitamin D ≥ 20 ng/ml ≤ 30 ng/ml | 56 (31.5%) |
25-Hydroxyvitamin D > 30 ng/ml | 41 (23.0%) |
Cortical SUVR | 1.2 ± 0.2 |
Cortical SUVR positive (≥ 1.17) | 75 (42.1%) |