Table 2

 Comparison of prevalence rates of self declared OA in the active population, aged 25–64, in different dimensions of occupational exposure

Odds ratio (95% CI)*
*Obtained from logistic regressions, adjusted for age, body mass index, and smoking.
†Occupations classified as having regular physical demand.11
‡Regular handling of persons or heavy objects such as lifting and carrying.
§Regular use of force with tools or machines.
¶Regular repetitive motion of hands and arms at fast pace.
**Regular exposure to vibrations from hand tools.
Manual work†
    reference: non-manual1.4 (1.1 to 1.8)0.9 (0.7 to 1.1)
Handling heavy objects‡
    reference: none or occasional1.2 (1.0 to 1.4)1.2 (1.0 to 1.5)
Use of force with tools/machines§
    reference: none or occasional1.3 (1.1 to 1.5)1.4 (1.1 to 1.9)
Repetitive work¶
    reference: none or occasional1.3 (1.1 to 1.6)0.8 (0.7 to 1.0)
Vibrations from hand tools**
    reference: none or occasional1.4 (1.2 to 1.7)1.3 (0.8 to 2.1)