Characteristics of the study sample (n=369)
| Baseline age (years), mean±SD | 43.8±5.6 |
| Birth year 1908, n (%) | 2 (0.5) |
| Birth year 1914, n (%) | 19 (5.1) |
| Birth year 1918, n (%) | 80 (21.7) |
| Birth year 1922, n (%) | 105 (28.5) |
| Birth year 1930, n (%) | 163 (44.2) |
| Current smoking, n (%) | |
| Examination 1968–1968 | 119 (32.2) |
| Examination 1974–1975 | 104 (28.8) |
| Examination 1980–1981 | 88 (25.0) |
| Covariates | |
| Alcohol consumption (more than once weekly)*, n (%) | 101 (27.4) |
| Body mass index*†, mean±SD | 23.46±0.17 |
| Cardiovascular and cerebrovascular diseases§, n (%) | 53 (14.4) |
| Cholesterol (mmol/L)*†, mean±SD | 6.59±0.08 |
| Hypertension*§, n (%) | 77 (20.9) |
| Psychological stress*‡, n (%) | 67 (18.2) |
| Low physical activity (<4 hours/week)*, n (%) | 51 (13.8) |
| Dementia,† n (%) | 17 (4.6) |
*Measured at baseline, 1968.
†One with missing information.
‡Seventeen with missing information.
§Measured until 31 December 2002.
¶Eight with missing information.