Table 2

 Odds ratios (OR) of the association between low back pain characteristics and the occurrence of upper extremity musculoskeletal co-morbidity (LBP with UE) in the past 12 months among industrial workers with low back pain (n = 252)

Low back pain characteristicsnLBP with UE (n = 170)
OR95% CI
*p<0.05, **p<0.1, χ2 test.
High pain intensity661.91*1.00 to 3.66
Sciatica510.810.42 to 1.55
Back pain lasting more than 3 months362.22**0.93 to 5.32
High perceived disability1061.73*1.00 to 3.00