Table 3

Intervention effect* on exposure to physical risk factors between the intervention group and control group after 6 months of follow-up

OR (95% CI)
Physical risk factors for low back pain
 Lift heavy loads†1.04 (0.49 to 2.21)
 Carry heavy loads†0.52 (0.27 to 1.01)
 Drive machines†1.00 (0.44 to 2.25)
 Bend trunk forwards and backwards1.08 (0.65 to 1.78)
 Awkward posture1.86 (1.15 to 3.01)
 Twisted posture1.35 (0.77 to 2.36)
 Awkward and twisted posture1.16 (0.69 to 2.01)
 Same posture0.93 (0.67 to 1.30)
Physical risk factors for neck pain
 Bend neck forwards or hold neck in a forward bent posture1.00 (0.70 to 1.43)
 Bend neck backwards†1.38 (0.77 to 2.49)
 Neck in twisted posture1.06 (0.67 to 1.65)

  • Results of the logistic mixed models analyses.

  • ↵* Adjusted for baseline differences on the outcome variable.

  • ↵† Only the worker level was taken into account.