Table 3.
Prediction models between workload, psychosocial work stressors, and the number of anatomical pain regions.
| Outcome and Exposure Variables | Crude Models | Baseline Adjusted Models * | Fully Adjusted Models ** | |||
|---|---|---|---|---|---|---|
| B (95% CI) | p-Value | B (95% CI) | p-Value | B (95% CI) | p-Value | |
| Prediction model 1, outcome: number of ARP at follow-up | ||||||
| Predictor: baseline mechanical exposure index | 0.14 (0.13 to 0.14) | <0.001 | 0.03 (0.02 to 0.03) | <0.001 | 0.03 (0.02 to 0.03) | <0.001 |
| Predictor: baseline physical exposure index | 0.11 (0.10 to 0.12) | <0.001 | 0.01 (−0.02 to 0.03) | 0.618 | 0.00 (−0.01 to 0.01) | 0.826 |
| Predictor: baseline job demands | 0.64 (0.62 to 0.66) | <0.001 | 0.17 (0.15 to 0.19) | <0.001 | 0.13 (0.10 to 0.15) | <0.001 |
| Predictor: baseline job control | −0.50 (−0.52 to −0.48) | <0.001 | −0.14 (−0.16 to −0.12) | <0.001 | −0.05 (−0.16 to 0.08) | 0.502 |
| Predictor: baseline job support | −0.63 (−0.65 to −0.60) | <0.001 | −0.07 (−0.08 to −0.05) | <0.001 | −0.04 (−0.15 to 0.07) | 0.520 |
| Prediction model 2, outcomes: workload and psychosocial work stressors at follow-up | ||||||
| Prediction model 2, outcome: mechanical exposure index at follow-up | ||||||
| Predictor: baseline number of ARP | 0.28 (0.27 to 0.29) | <0.001 | 0.04 (0.04 to 0.05) | <0.001 | 0.03 (0.02 to 0.04) | <0.001 |
| Prediction model 2, outcome: physical exposure index at follow-up | ||||||
| Predictor: baseline number of ARP | 0.11 (0.11 to 0.12) | <0.001 | 0.01 (0.00 to 0.01) | <0.001 | 0.02 (0.00 to 0.01) | 0.018 |
| Prediction model 2, outcome: job demands at follow-up | ||||||
| Predictor: baseline number of ARP | 0.03 (0.02 to 0.03) | <0.001 | 0.01 (0.00 to 0.01) | <0.001 | 0.00 (−0.00 to 0.00) | 0.829 |
| Prediction model 2, outcome: job control at follow-up | ||||||
| Predictor: baseline number of ARP | −0.01 (−0.01 to −0.01) | <0.001 | −0.01 (−0.01 to −0.01) | <0.001 | −0.01 (−0.01 to −0.00) | <0.001 |
| Prediction model 2, outcome: job support at follow-up | ||||||
| Predictor: baseline number of ARP | −0.03 (−0.03 to −0.03) | <0.001 | −0.01 (−0.01 to −0.01) | <0.001 | −0.01 (−0.01 to −0.01) | <0.001 |
ARP = anatomical regions with pain; B = regression coefficients; CI = confidence intervals. * Model adjusted for baseline physical workload, psychosocial work environment, and number of ARP; ** Model adjusted for baseline age, gender, education, smoking, alcohol intake, psychical activity, distress, and baseline workload, psychosocial work stressors, and the number of ARP.