Number of occupational health reports, patients' demographic characteristics and type of referring physician in the 30 university hospital centres, 2001–2007
| 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | |
| Number of occupational health reports | 6818 | 7873 | 8146 | 8786 | 8699 | 9054 | 9401 |
| Mean age (years) | 46.2 | 46.7 | 46.8 | 47.5 | 47.6 | 48.6 | 49.1 |
| Men (%) | 69.3 | 68.3 | 66.7 | 66.2 | 62.6 | 62.4 | 61.7 |
| Referring physician (%) | |||||||
| Occupational physician | 60.7 | 60.3 | 61.2 | 59.1 | 57.2 | 54.2 | 54.0 |
| General practitioner | 7.8 | 6.7 | 5.7 | 6.8 | 6.5 | 7.9 | 8.0 |
| Specialist physician | 24.0 | 20.3 | 22.0 | 23.3 | 25.3 | 27.4 | 28.1 |
| Other | 7.5 | 12.6 | 11.1 | 10.8 | 10.9 | 10.5 | 10.0 |
| Status (%) | |||||||
| Employed | 80.6 | 82.0 | 81.8 | 80.1 | 77.8 | 73.8 | 74.5 |
| Unemployed | 3 | 2.3 | 2.7 | 2.0 | 2.6 | 2.6 | 2.5 |
| Retired | 13.5 | 13.4 | 13.2 | 15.9 | 16.7 | 19.2 | 19.7 |
| Other | 2.9 | 2.3 | 2.3 | 1.9 | 2.9 | 4.4 | 3.2 |