| on the task day | 4 | temporal |
| compared with baseline | 2 | other |
| among shift-workers | 2 | other |
| fatigue → be → higher | 7 |
| fatigue → be → greater | 4 |
| negative | neutral | positive |
| 0.318 | 0.535 | 0.147 |
| Raw frequency | 11 |
| Normalized frequency | 0.345 |
| Modifier score | 0.500 |
| Perplexity | 71.831 |