Table 2 Adjusted associations between baseline work-related physical exposures and a subsequent chronic shoulder disorder
Chronic shoulder disorder at follow-up
All (n = 852)Men (n = 374)Women (n = 481)
OR (95% CI)pOR (95% CI)pOR (95% CI)p
Work-related physical exposures
Lifting heavy loads0.010.470.04
    No1.01.01.0
    Yes2.0 (1.2 to 3.4)1.3 (0.6 to 2.9)2.3 (1.1 to 5.1)
Working in awkward postures0.030.770.07
    No1.01.01.0
    Yes1.8 (1.1 to 3.1)1.1 (0.5 to 2.5)2.0 (0.9 to 4.3)
Work involving vibration0.020.050.24
    No1.01.01.0
    Yes2.5 (1.2 to 5.2)2.3 (1.0 to 5.3)3.0 (0.6 to 16.6)
Work involving repetitive movements0.0040.00080.72
    No1.01.01.0
    Yes2.3 (1.3 to 4.1)4.0 (1.8 to 8.6)1.2 (0.5 to 2.8)
Work paced by machine0.820.650.42
    No1.01.01.0
    Yes1.1 (0.4 to 2.8)0.7 (0.2 to 3.4)1.7 (0.5 to 6.0)
Combination of physical exposures<0.00010.080.0007
    None1.01.01.0
    1–2 exposures3.6 (1.9 to 6.8)2.1 (0.8 to 5.0)5.5 (2.0 to 15.0)
    3–5 exposures3.9 (1.8 to 8.5)2.9 (1.1 to 7.9)5.3 (1.4 to 19.8)
  • *All models adjusted for age, gender (if not stratified) and up to three potential confounders: uninteresting or monotonous work, hurried or tight work schedule, worry about making mistakes at work, tendency for somatisation, body mass index, diabetes and physical exercise.