Age at study entry, y
|
80.1 ± 6.12
|
82.4 ± 6.60
|
< 0.001
|
Sex, female, n (%)
|
304 (59.3)
|
102 (65.4)
|
0.17
|
Education, y
|
10.1 ± 4.1
|
9.0 ± 4.1
|
< 0.01
|
BMI, kg/m2
|
25.9 ± 4.6
|
25.4 ± 5.2
|
0.30
|
Total lipids, g/L
|
6.1 ± 1.7
|
6.0 ± 2.0
|
0.63
|
ApoE4 carrier, n (%)
|
92 (18.0)
|
39 (25.2)
|
< 0.05
|
3MS score at study entry
|
88 ± 8.4
|
83 ± 9.8
|
< 0.001
|
Residence area, n (% urban)
|
448 (87.8)
|
139 (90.3)
|
0.41
|
Smoking, n (% yes) a
|
217 (46.7)
|
67 (48.6)
|
0.70
|
Alcohol drinking, n (% yes)b
|
176 (37.7)
|
44 (32.4)
|
0.26
|
Vascular score
|
1.19 ± 0.83
|
1.26 ± 0.88
|
0.38
|
Blood heavy metal concentrations
|
Copper, median (IQR), μmol/L
|
13.0 (12.0–14.0)
|
13.0 (12.0–14.0)
|
0.15
|
Lead, median (IQR), μmol/L
|
0.15 (0.11–0.20)
|
0.14 (0.10–0.20)
|
0.55
|
Mercury, median (IQR), nmol/L
|
3.3 (1.7–5.9)
|
2.4 (1.1–4.6)
|
< 0.001
|
Zinc, median (IQR), μmol/L
|
340 (270–460)
|
345 (270–455)
|
0.88
|