| Mean | (SD) | Mean | (SD) | |
| Age (range 23–71 years) | 50.3 | 9.3 | 56.3 | 9.3 |
| Depressive symptoms (range 0–24) | 5.2 | 5.1 | 4.7 | 4.9 |
| Demands (scale 1–4) | 2.6 | 0.5 | 2.6 | 0.6 |
| Control (scale 1–4) | 3.3 | 0.5 | 3.3 | 0.5 |
| Demand–control ratio (0.3–5) | 1.0 | 0.3 | 1.0 | 0.3 |
| Social support (scale 1–4) | 3.1 | 0.5 | 3.2 | 0.5 |
| Efforts (scale 1–4) | 2.6 | 0.7 | 2.7 | 0.5 |
| Rewards (scale 1–4) | 2.6 | 0.5 | 2.7 | 0.5 |
| Effort–reward ratio (0.2–4.0) | 1.1 | 0.4 | 1.1 | 0.4 |
| Procedural justice (scale 1–5) | 3.3 | 0.9 | 3.2 | 1.0 |
*Missing data in wave 3: n (%): age: complete, civil status: 54 (1.4), occupational position: 65 (1.6), demands: 87 (2.2), control: 65 (1.6), demand–control ratio: 116 (2.9), job strain: 116 (2.9), social support: 142 (3.6), effort: 74 (1.9%), reward: 147 (3.7), effort–reward ratio: 181 (4.6), procedural justice: 189 (4.8).