| about other safety issues | 20 | other |
| about sending their children | 13 | other |
| about vaccines | 6 | other |
| parent → be → wary | 116 |
| parent → be → leery | 19 |
| parent → be → skittish | 7 |
| parent → become → wary | 3 |
| negative | neutral | positive |
| 0.523 | 0.410 | 0.066 |
| Raw frequency | 145 |
| Normalized frequency | 0.526 |
| Modifier score | 0.652 |
| Perplexity | 82.076 |