| on a preventive basis | 5 | manner |
| at school | 2 | location |
| child → have → symptom | 20 |
| child → develop → symptom | 8 |
| child → be → symptomatic | 7 |
| child → have → more than one symptom | 4 |
| negative | neutral | positive |
| 0.520 | 0.383 | 0.097 |
| Raw frequency | 39 |
| Normalized frequency | 0.466 |
| Modifier score | 0.643 |
| Perplexity | 32.428 |