Table 1. Baseline sociodemographic variables and potential confounding factors in the 3C, ABLI and MONA-LISA (LILLE) populations (individuals not taking antihypertensive drugs; for details, see the Materials and Methods section).
| 3C study (n = 627) | AIBL study (n = 576) | MONA-LISA study (n = 769) | |
| Age (years) | 73.1±5.3 | 71.6±7.8 | 58.1±8.2 |
| % women | 59.7% | 57.8% | 49.4% |
| Smoking (% current) | 6.7% | 3.0% | 18.6% |
| Body mass index (kg/m2) | 24.9±3.5 | 25.5±4.1 | 26.5±4.5 |
| Plasma HDL cholesterol (mmol/L) | 1.67±0.41 | 1.70±0.44 | 1.50±0.39 |
| Plasma cholesterol (mmol/L) | 6.0±1.0 | 5.7±1.1 | 5.87±1.1 |
| Plasma creatinine | 80.5±15.6 | 81.1±17.3 | 85.0±15.8 |
| SBP (mmHg) | 141.9±20.4 | 136.5±14.7 | 136.5±18.6 |
| DBP (mmHg) | 81.3±11.0 | 78.0±9.3 | 82.2±10.6 |
| Plasma Aß1-40 (pg/ml) | 227.8±48.0 | 153.6±40.4 | 205.4±42.8 |
| Plasma Aß1-42 (pg/ml) | 37.5±10.3 | 31.3±10.0 | 36.7±11.45 |
| Plasma Aß1-42/ Aß1-40 | 0.169±0.049 | 0.209±0.059 | 0.184±0.069 |