Baseline characteristics of the subjects
| Men | Women | |||||||
|---|---|---|---|---|---|---|---|---|
| Birth year | Birth year | |||||||
| 1953 | 1948 | 1943 | 1938 | 1953 | 1948 | 1943 | 1938 | |
| n=2640 | n=2769 | n=2667 | n=1711 | n=1922 | n=1893 | n=1978 | n=1370 | |
| % | % | % | % | % | % | % | % | |
| Social class | ||||||||
| Executives | 28.6 | 32.6 | 36.4 | 31.0 | 21.9 | 21.5 | 21.0 | 16.4 |
| Clerks | 9.3 | 8.1 | 7.6 | 8.3 | 51.8 | 52.5 | 50.6 | 55.3 |
| Blue collar workers | 59.8 | 56.1 | 53.1 | 57.3 | 24.9 | 24.5 | 26.3 | 26.2 |
| Others | 2.3 | 3.2 | 2.9 | 3.4 | 1.4 | 1.5 | 2.1 | 2.1 |
| Working conditions in 1990 | ||||||||
| Repetitive work | 10.0 | 8.5 | 8.4 | 8.8 | 11.9 | 10.0 | 11.2 | 9.6 |
| Awkward work | 64.8 | 61.2 | 60.3 | 61.9 | 40.6 | 42.4 | 45.4 | 48.9 |
| Precise movements | 29.0 | 28.6 | 25.8 | 24.6 | 21.4 | 20.5 | 20.1 | 19.2 |
| High job demand | 55.4 | 56.8 | 56.5 | 52.6 | 59.2 | 56.6 | 57.7 | 54.5 |
| Low job control | 17.4 | 14.7 | 18.1 | 21.0 | 23.9 | 23.1 | 24.8 | 29.0 |
| Shift work | 30.3 | 29.0 | 27.9 | 25.8 | 15.5 | 16.3 | 16.2 | 15.0 |