Table 1

Occupational groups (reference group: service occupation as main occupation) and symptomatic knee osteoarthritis
Specific occupational groupsa
 1 to 10 yrs. in specific occ. group
 >10 yrs. in specific occ. group

Cases
 %
 Controls
 %
 Adj. ORb
 95% CI
 Cases
 %
 Controls
 %
 Adj. ORb
 95% CI
Agriculture and mining











     Agricultural, animal husbandry, and forestry workers
 8
 2.7
 14
 4.3
 1.1
 0.4–3.4
 5
 1.7
 3
 0.9
 2.0
 0.4–13.0
Production











     Chemical processers and manufacturers of plastics product
 6
 2.0
 7
 2.1
 0.9
 0.2–4.4
 14
 4.7
 3
 0.9
 16.1
 3.1–84.8
     Manufacturers of paper and paper products; printers
 2
 0.7
 2
 0.6
 -
 -
 10
 3.4
 5
 1.5
 2.5
 0.7–9.1
     Metal processers, blacksmiths
 10
 3.4
 2
 0.6
 6.2
 1.2–31.4
 8
 2.7
 2
 0.6
 5.1
 0.7–35.4
     Metal workers (machinery fitters, machine assemblers, mechanics, manufacturers of precision instruments; plumbers, welders, sheet metal and structural metal preparers and erectors)
 29
 9.8
 41
 12.5
 1.0
 0.5–2.0
 39
 13.2
 25
 7.6
 3.0
 1.5–6.2
     Electrical and electronics workers
 5
 1.7
 17
 5.2
 0.2
 0.1–0.8
 10
 3.4
 14
 4.3
 1.2
 0.4–3.1
     Tanners, fellmongers, pelt dressers; shoemakers and leather goods makers
 5
 1.7
 1
 0.3
 5.2
 0.5–49.0
 2
 0.7
 3
 0.9
 0.8
 0.1–5.4
     Food and beverage processors; tobacco product makers
 10
 3.4
 8
 2.4
 1.5
 0.5–4.9
 8
 2.7
 10
 3.1
 0.9
 0.2–3.4
     Construction workers (structural engineering, civil engineering)
 14
 4.7
 9
 2.8
 2.6
 0.9–7.5
 9
 3.1
 4
 1.2
 2.1
 0.5–8.7
     Plasterers, insulators, glaziers, terazzo workers, construction carpenters, roofers; upholsterers
 5
 1.7
 8
 2.4
 0.5
 0.1–2.1
 9
 3.1
 5
 1.5
 4.5
 1.1–19.4
     Woodworkers and plastic workers (carpenters, cabinet makers, wooden or plastic models makers, wood-frame construction)
 8
 2.7
 7
 2.1
 1.8
 0.5–6.5
 7
 2.4
 3
 0.9
 5.7
 1.2–28.0
     Painters; varnishers
 4
 1.4
 7
 2.1
 0.7
 0.2–2.9
 9
 3.1
 4
 1.2
 6.4
 1.5–27.1
     Quality inspectors; packers
 8
 2.7
 3
 0.9
 7.3
 1.3–41.4
 3
 1.0
 2
 0.6
 1.3
 0.1–12.8
     Labourers
 5
 1.7
 11
 3.4
 0.8
 0.2–3.1
 -
 -
 -
 -
 -
 -
     Operators (crane and earth-moving machinery operators etc.)
 3
 1.0
 2
 0.6
 1.5
 0.2–13.7
 2
 0.7
 1
 0.3
 -
 -
Technology











     Technicians (engineers, architects, chemists, physicists, electrical engineering technicians)
 15
 5.1
 21
 6.4
 1.0
 0.4–2.3
 42
 14.2
 31
 9.5
 1.8
 0.9–3.3
Services











     Service workers: Storemen, nurses, refuse collectors
 15
 5.1
 20
 6.1
 1.2
 0.5–2.9
 17
 5.8
 8
 2.4
 4.3
 1.6–11.7
     Soldiers
 3
 1.0
 4
 1.2
 1.5
 0.2–11.2
 1
 0.3
 1
 0.3
 -
 -
     Other service workers
 1
 0.3
 6
 1.8
 0.2
 0.02–1.9
 -
 -
 1
 0.3
 -
 -

a Occupations with <10 subjects are not shown

b Adjusted for age, region, body-mass index, and jogging/athletics

Seidler et al. Journal of Occupational Medicine and Toxicology 2008 3:14   doi:10.1186/1745-6673-3-14

Open Data