Distribution of survey responses in the cohort, by plant, n=56
| Scale | Mean (SD) | Range | Cronbach α |
|---|---|---|---|
| Satisfaction scale | 26.5 (9.0) | 1–45 | 0.94 |
| Work environment scale | 31.7 (5.8) | 1–50 | 0.90 |
| Supervisor scale | 19.6 (6.3) | 2–30 | 0.93 |
| Stress scale | 11.0 (3.6) | 1–20 | 0.80 |