Table 7

Risk factors of LBP as defined by taking a treatment (n=680)

Predictor OR 95% CI Statistical significance
Sexp=0.161
 Men1.00
 Women1.520.84, 2.74
Age (y)p=0.141
 <301.00
 30–391.420.80, 2.50
 40–492.021.10, 3.71
 >491.580.69, 3.63
BMI (kg/m2)p=0.014
 <20.581.00
 20.58–22.591.170.62, 2.18
 22.60–24.922.031.09, 3.79
 >24.922.411.29, 4.52
PWB scorep=0.001
 01.00
 12.071.19, 3.62
 22.861.59, 5.14
 ⩾3 problems3.702.08, 6.58
Occupational groupsp=0.145
 Office workers1.00
 Hospital workers0.960.44, 2.07
 Warehouse workers0.720.33, 1.58
 Airport registration workers0.340.11, 1.02
Carrying heavy loadsp=0.012
 Once a week or less1.00
 More than once a week2.171.17, 4.00
Bending posturep=0.115
 Never or seldom1.00
 Often or everyday1.500.90, 2.47
  • Estimated odds ratio (OR) and their 95% confidence intervals (95% CI) based on logistic regression. Sex forced in the model.