| Pre-intervention findings | Post-intervention findings | |||||
| Median (25th and 75th percentiles) or Number (percent) | Median (25th and 75th percentiles) or Number (percent) | p-value | ||||
| Job stressors | Quantitative job overload | 3.0 | (2.0, 4.3) | 3.5 | (3.0, 5.0) | 0.10 |
| Qualitative job overload | 3.0 | (2.0, 4.0) | 3.0 | (3.0, 4.3) | 0.03 | |
| Physical demands | 2.0 | (1.0, 2.0) | 2.0 | (1.0, 2.3) | 0.65 | |
| Interpersonal conflict | 2.0 | (2.0, 3.0) | 2.0 | (2.0, 3.0) | 0.74 | |
| Poor physical environment | 2.0 | (1.8, 2.3) | 2.0 | (2.0, 2.3) | 0.56 | |
| Job control | 3.0 | (1.0, 4.0) | 3.0 | (1.8, 3.3) | 1.00 | |
| Unsuitable job | 4.0 | (3.0, 4.3) | 3.0 | (3.0, 4.0) | 0.10 | |
| Skill utilization | 3.0 | (3.0, 4.0) | 3.0 | (2.5, 4.0) | 0.32 | |
| Meaningfulness of work | 3.0 | (1.0, 3.3) | 3.0 | (1.0, 3.0) | 0.65 | |
| Stress reaction | Vigor | 2.0 | (1.0, 3.0) | 2.0 | (1.0, 3.0) | 0.32 |
| Anger and irritability | 3.0 | (3.0, 4.3) | 3.0 | (3.0, 4.0) | 1.00 | |
| Fatigue | 3.0 | (3.0, 4.3) | 3.0 | (2.0, 4.0) | 0.03 | |
| Anxiety | 4.0 | (3.0, 5.0) | 3.5 | (2.0, 5.0) | 0.06 | |
| Depression | 3.0 | (3.0, 4.0) | 3.0 | (1.8, 4.3) | 0.33 | |
| Physical stress reaction | 3.0 | (3.0, 3.3) | 3.0 | (1.8, 4.0) | 0.13 | |
| Social support | Supervisor support | 4.0 | (2.8, 4.0) | 4.0 | (2.0, 4.0) | 0.32 |
| Coworker support | 3.5 | (2.8, 4.0) | 4.0 | (2.8, 4.0) | 0.56 | |
| Support from family and friends | 3.0 | (1.8, 4.0) | 3.0 | (1.8, 3.3) | 1.00 | |
| Highly stressed participants | 0 | (0) | 4 | (36.4) | 0.09 | |