| Country | Years | Incidences of OA per million of workers |
| Great Britain: |
|
|
| ・ SWORD [6] | 1989-1991 | 19 |
| ・ | 1992-1997 | 38 |
| ・ SCHIELD [21] | 1991-2005 | 42 |
| United tates (SENSOR) |
|
|
| ・ Michigan [19] | 1988-1994 | 29 |
| ・ Massachusetts [19] | 1988-1994 | 3 |
| Canada [22] |
|
|
| ・ British Columbia | 1991 | 92 |
| ・ Québec (propel) | 1992-1993 | 42 - 79 |
| France (ONAP) [6] [15] | 1997 1996-1999 | 26 24 (22 - 25) |
| Italy, Piedmont (PRIOR) [16] | 1996-1999 | 24 (18 - 30) |
| South Africa (SORDSA) [23] | 1997-1999 | 17.5 |
| Australia (SABRE) [24] | 1997-2001 | 31 (27 - 38) |
| Finland (FROD) [20] | 1986-2002 | 174 |
| Belgium [17] | 2000-2002 | 23.5 (19 - 29) |
| South Korea [18] | 1992-2006 | 1.6 |
| Tunisia (our study) | 2000-2008 | 24.42 |