Description of the cohort (full cohort n=49 321), exclusion criteria, number of excluded subjects and number of subjects remaining for follow-up
| Exclusion criteria | Excluded subjects (n) | Remaining subjects (n) |
| Dead before or in 1990 | 1049 | 48 272 |
| Receiving disability pension before or in 1990 | 1178 | 47 094 |
| Missing data on level of education 1990 | 95 | 46 999 |
| Missing data on job control and physical strain at work 1990 | 5037 | 41 962 |
| Missing data on any variable from conscript 1969–1970 | 2060 | 39 902 |