Table 2 Odds risk ratio of self-reported knee complaints in 1994/95 and 2005 among 81 floor layers presently working in the trade in 1994/95 relative to graphic designers
Knee complaints | Employment in the trade in year 2005 | Knee complaints 1995 | Knee complaints 2005 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
N | n (%) | ORcrude | 95% CI‡ | ORadj † | 95% CI‡ | n (%) | ORcrude | 95% CI‡ | ORadj † | 95% CI‡ | ||
Presently at work | ||||||||||||
- Floor layers | 56 | 39 (69.6%) | 8.5 | 3.8–18.7 | 9.2 | 3.8–22.2 | 32 (56.1%) | 2.2 | 1.1–4.5 | 2.7 | 1.2–5.8 | |
- Graphic designers | 75 | 16 (21.3%) | 1 | - | 1 | - | 28 (36.8%) | 1 | - | 1 | - | |
During the past 12 months | Presently off work * | |||||||||||
- Floor layers | 16 | 10 (62.5%) | 5.1 | 1.6–16.3 | 7.7 | 2.1–28.9 | 7 (43.8%) | 1.9 | 0.6–5.9 | 2.7 | 0.8–8.9 | |
- Graphic designers | 66 | 16 (24.2%) | 1 | - | 1 | - | 19 (28.8%) | 1 | - | 1 | - | |
Change of occupation | ||||||||||||
- Floor layers | 9 | 8 (88.9%) | 27.4 | 2.9–258.4 | 26.9 | 2.7–265.0 | 7 (70.0%) | 7.7 | 1.4–43.9 | 11.7 | 1.1–124.8 | |
- Graphic designers | 32 | 7 (21.9%) | 1 | - | 1 | - | 10 (31.3%) | 1 | - | 1 | - | |
Presently at work | ||||||||||||
- Floor layers | 56 | 23 (41.1%) | 5.8 | 2.3–14.2 | 5.5 | 2.2–13.9 | 15 (26.3%) | 1.3 | 0.6–.2.9 | 1.4 | 0.6–3.3 | |
- Graphic designers | 75 | 8 (10.7%) | 1 | - | 1 | - | 17 (20.7%) | 1 | - | 1 | - | |
Daily or > 30 days during the past 12 months | Presently off work * | |||||||||||
- Floor layers | 16 | 8 (50.0%) | 7.1 | 2.1–24.3 | 9.1 | 2.4–34.4 | 5 (29.0%) | 2.6 | 0.7–8.9 | 3.8 | 1.0–15.0 | |
- Graphic designers | 66 | 8 (12.1%) | 1 | - | 1 | - | 10 (16.7%) | 1 | - | 1 | - | |
Change of occupation | ||||||||||||
- Floor layers | 9 | 5 (55.6%) | 11.7 | 2.0–68.8 | 15.3 | 2.1–113.4 | 5 (50.0%) | 8.8 | 1.6–47.0 | 13.8 | 1.7–115.1 | |
- Graphic designers | 32 | 3 (9.4%) | 1 | - | 1 | - | 4 (12.5%) | 1 | - | 1 | - | |