| Typicality: | 0.437 |
| Saliency: | 0.437 |
| at the exams | 5 | temporal |
| before pregnancy among 898 women | 5 | temporal |
| for chronic fatigue syndrome | 5 | transitive-object |
| researcher → determine → risk factors | 15 |
| researcher → identify → risk factors | 13 |
| researcher → examine → risk factors | 6 |
| researcher → look at → risk factors | 5 |
| researcher → seek to identify → risk factors | 4 |
| researcher → examine → the risk factors | 4 |
| researcher → assess → risk factors | 3 |
| researcher → identified → potential risk factors | 3 |
| researcher → investigate → the risk factors | 3 |
| negative | neutral | positive |
| 0.221 | 0.710 | 0.069 |
| Raw frequency | 56 |
| Normalized frequency | 0.437 |
| Modifier score | 0.500 |
| Perplexity | 74.621 |