Physical occupational exposures and baseline sociodemographic and health characteristics (GAZEL cohort, men, n=13 393)
| Variable | n | Per cent |
|---|---|---|
| Sociodemographics | ||
| Age group (years) | ||
| 50–54 | 12 651 | 94.5 |
| 55–59 | 506 | 3.8 |
| 60–64 | 172 | 1.3 |
| 65–69 | 52 | 0.4 |
| 70–74 | 12 | 0.1 |
| Occupational grade (1989) | ||
| Low | 1736 | 13.0 |
| Middle | 7491 | 55.9 |
| High | 4166 | 31.1 |
| Social class (1989) | ||
| Managers and professionals | 4022 | 30.0 |
| Intermediate occupations | 7378 | 55.1 |
| Low-level non-manual | 502 | 3.8 |
| Low-level manual | 1491 | 11.1 |
| Physical occupational exposures | ||
| Perceived ergonomic strain (1989/1990) | ||
| No exposure | 4611 | 34.4 |
| Exposed, median or less | 4886 | 36.5 |
| Exposed, over median | 3896 | 29.1 |
| Perceived physical strain (1989/1990) | ||
| Median or less | 7715 | 57.6 |
| Over median | 5678 | 42.4 |
| Perceived physical danger (1989/1990) | ||
| No exposure | 2829 | 21.1 |
| Exposed, median or less | 5447 | 40.7 |
| Exposed, over median | 5117 | 38.2 |
| Rotating shifts involving night working (1989/1990) | ||
| Never or occasionally | 12 654 | 94.5 |
| Regularly | 739 | 5.5 |
| Number of episodes of absence due to industrial injuries (1978–2009) | ||
| None | 11 047 | 82.5 |
| One | 1605 | 12.0 |
| Two or more | 741 | 5.5 |
| Accumulated chemical exposures (1956–1998) | ||
| No exposure | 5205 | 38.9 |
| Exposed, median or less | 4123 | 30.8 |
| Exposed, over median | 4065 | 30.4 |
| Health | ||
| Self-rated health | ||
| Good | 10 792 | 80.6 |
| Poor | 2601 | 19.4 |
| Chronic health conditions | ||
| No | 7227 | 54.0 |
| Yes* | 6166 | 46.0 |
*Presence of chronic health conditions includes illness reported at or before baseline.