Table 2 Summary of socio-demographic characteristics and disorders
|  | Study sample n = 31,730 n (%) |
|---|---|
Socio-demographics | |
 Gender | |
  Male | 15,650 (49) |
  Female | 16,090 (51) |
 Age category | |
   < 35 | 5210 (16) |
  35–44 | 7060 (22) |
  45–54 | 10,160 (32) |
  55+ | 9300 (29) |
 Educational level | |
  Low | 16,820 (53) |
  Secondary | 7390 (23) |
  High | 3500 (11) |
  Unknown | 4040 (13) |
Disorders | |
 Main causes of work disability | |
  Cancer | 2510 (8) |
  Cardiovascular | 2790 (9) |
  Mental | 10,870 (34) |
  Musculoskeletal | 8410 (27) |
  Nervous system | 2090 (9) |
  Other | 4260 (13) |