| over a period of time | 14 | temporal |
| in the general population | 10 | location |
| very | 9 | degree |
| symptom → be → frequent | 96 |
| symptom → become → frequent | 10 |
| symptom → include → frequently | 6 |
| symptom → include → frequent | 3 |
| negative | neutral | positive |
| 0.606 | 0.353 | 0.041 |
| Raw frequency | 115 |
| Normalized frequency | 0.492 |
| Modifier score | 0.731 |
| Perplexity | 53.662 |