Table 1 Demographic and biochemical data from the Nakayama study
Parameters | Available number | Values |
|---|---|---|
Demographic data | ||
 N |  | 750 |
 Age (years) | 750 | 77.0 ± 7.6 |
 Sex (male:female) | 750 | 309:441 |
 Height (cm) | 746 | 151.7 ± 9.6 |
 Weight (kg) | 747 | 54.6 ± 10.6 |
 BMI (kg/m2) | 746 | 23.6 ± 3.3 |
 Education (years) | 743 |  |
  1: < 6 |  | 1: 33 |
  2: 7–9 |  | 2: 324 |
  3: 10–12 |  | 3: 323 |
  4: ≥13 |  | 4: 63 |
 Systolic blood pressure (mmHg) | 749 | 137.8 ± 15.6 |
 Diastolic blood pressure (mmHg) | 749 | 76.7 ± 9.9 |
 Heart rate (per min) | 748 | 70.3 ± 12.0 |
 Hypertension | 749 | 560 |
 Diabetes mellitus | 743 | 120 |
 Liver disease | 748 | 44 |
 Kidney disease | 750 | 171 |
 Depression | 748 | 87 |
 Brain attack (past history of stroke) | 748 | 78 |
 Head injury | 748 | 37 |
 Current alcohol drinking | 724 | 235 |
 Current smoking status | 723 | 32 |