Risk factors of LBP as defined by sick leave (n=680)
| Predictor | OR | 95% CI | Statistical significance |
| Sex | p=0.076 | ||
| Men | 1.00 | ||
| Women | 2.31 | 0.88, 6.05 | |
| BMI (kg/m2) | p=0.077 | ||
| <20.58 | 1.00 | ||
| 20.58–22.59 | 1.49 | 0.56, 3.99 | |
| 22.60–24.92 | 2.79 | 1.07, 7.26 | |
| >24.92 | 2.79 | 1.07, 7.25 | |
| PWB score | p=0.010 | ||
| 0 | 1.00 | ||
| 1 | 3.19 | 1.34, 7.59 | |
| 2 | 3.01 | 1.19, 7.57 | |
| ⩾3 problems | 3.79 | 1.53, 9.35 | |
| Occupational groups | p=0.039 | ||
| Office workers | 1.00 | ||
| Hospital workers | 0.43 | 0.13, 1.37 | |
| Warehouse workers | 1.66 | 0.51, 5.40 | |
| Airport registration workers | 0.25 | 0.05, 1.33 | |
| Pulling or pushing heavy loads | p=0.130 | ||
| Once a week or less | 1.00 | ||
| More than once a week | 0.57 | 0.28, 1.17 | |
| Carrying heavy loads | p=0.122 | ||
| Once a week or less | 1.00 | ||
| More than once a week | 2.02 | 0.81, 5.04 | |
| Bending posture | p=0.023 | ||
| Never or seldom | 1.00 | ||
| Often or everyday | 2.33 | 1.10, 4.92 |
Estimated odds ratio (OR) and their 95% confidence intervals (95% CI) based on logistic regression. Sex forced in the model.