| especially | 2 | degree |
| with drug use | 2 | other |
| symptom → be → difficult | 6 |
| symptom → have → trouble | 4 |
| symptom → have → difficulty | 4 |
| negative | neutral | positive |
| 0.779 | 0.207 | 0.013 |
| Raw frequency | 14 |
| Normalized frequency | 0.429 |
| Modifier score | 0.550 |
| Perplexity | 117.920 |