Basic statistics of the psychological and work related variables in the participants (n = 187)
| Mean | Median | SD | Observed Min–max | Original scale Min-max | |
|---|---|---|---|---|---|
| *Higher score indicates worse scores. | |||||
| †Higher score indicates better scores. | |||||
| Depressive symptoms (total score)* | 17.9 | 16.0 | 13.7 | 0–57 | 0–60 |
| Fear-avoidance belief about work* | 18.3 | 18.6 | 4.1 | 7–24 | 0–28 |
| Self-efficacy† | 12.6 | 14.0 | 3.5 | 0–16 | 0–16 |
| General health† | 9.7 | ||||
| Physical health | 33.2 | 33.3 | 9.7 | 10.0–65.2 | 0–100 |
| Mental health | 44.2 | 44.9 | 10.8 | 16.0–65.2 | 0–100 |
| Perceived pain* | 4.8 | 5.0 | 2.6 | 0–10 | 0–10 |
| Co-morbidity* | 3.8 | 0 | 7.1 | 0–38.3 | 0–100 |
| Perceived physical workload* | 3.9 | 4.0 | 1.0 | 1–5 | 1–5 |
| Work related physical factors* | 7.3 | ||||
| Heavy loading | 16.6 | 17.0 | 6.2 | 0–25 | 0–25 |
| Repetitive movements | 19.7 | 25.0 | 7.3 | 0–25 | 0–25 |
| Vibration of body parts | 6.6 | 2.5 | 8.1 | 0–25 | 0–25 |
| Work related psychosocial factors* | |||||
| Decision latitude | 40.7 | 42.0 | 8.3 | 17–57 | 12–60 |
| Psychological demands | 41.3 | 40.0 | 8.2 | 20–60 | 12–60 |