OR and 95% CI for reporting LBP for between 1 and 30 days in the past year at follow-up for low, medium and high levels of emotional demands, role conflicts, influence at work and quality of leadership measured at baseline (N=1401)
| Risk for LBP for between 1 and 30 days in the past year at follow-up | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Model 1† | Model 2‡ | Model 3§ | Model 4¶ | |||||||
| At risk | Cases, n/% | OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI | |
| Emotional demands | ||||||||||
| High | 337 | 126/37.4 | 1.61 | 1.17 to 2.21 | 1.75 | 1.25 to 2.45 | 1.55 | 1.09 to 2.20 | 1.05 | 0.72 to 1.52 |
| Medium | 763 | 230/30.1 | 1.15 | 0.86 to 1.53 | 1.16 | 0.87 to 1.56 | 1.13 | 0.83 to 1.54 | 0.90 | 0.66 to 1.23 |
| Low | 301 | 85/28.2 | 1 | Reference | 1 | Reference | 1 | Reference | 1 | Reference |
| Role conflicts | ||||||||||
| High | 410 | 149/36.3 | 1.69 | 1.23 to 2.32 | 1.74 | 1.23 to 2.45 | 1.59 | 1.12 to 2.26 | 1.18 | 0.82 to 1.71 |
| Medium | 657 | 212/32.3 | 1.43 | 1. 08 to 1.91 | 1.43 | 1.05 to 1.94 | 1.37 | 1.02 to 1.83 | 1.21 | 0.90 to 1.64 |
| Low | 334 | 80/24.0 | 1 | Reference | 1 | Reference | 1 | Reference | 1 | Reference |
| Influence at work | ||||||||||
| Low | 333 | 121/36.3 | 1.45 | 1.06 to 1.97 | 1.54 | 1.10 to 2.15 | 1.44 | 1.03 to 2.02 | 1.27 | 0.90 to 1.79 |
| Medium | 748 | 228/30.5 | 1.07 | 0.81 to 1.40 | 1.12 | 0.84 to 1.50 | 1.07 | 0.80 to 1.45 | 0.98 | 0.72 to 1.33 |
| High | 320 | 92/28.8 | 1 | Reference | 1 | Reference | 1 | Reference | 1 | Reference |
| Quality of leadership | ||||||||||
| Low | 311 | 107/34.4 | 1.25 | 0.87 to 1.81 | 1.36 | 0.92 to 2.00 | 1.34 | 0.91 to 1.99 | 1.17 | 0.78 to 1.76 |
| Medium | 804 | 248/30.9 | 1.05 | 0.78 to 1.42 | 1.05 | 0.76 to 1.46 | 1.06 | 0.76 to 1.47 | 0.99 | 0.70 to 1.38 |
| High | 286 | 86/30.1 | 1 | Reference | 1 | Reference | 1 | Reference | 1 | Reference |
†Model 1: adjusted for age.
‡Model 2: model 1 plus body mass index, smoking, leisure time physical activity, tenure and job group.
§Model 3: model 2 plus physical workload (Hollmann index).
¶Model 4: model 3 plus adjustment for depressive symptom score at baseline.
LBP, low back pain.