| often | 14 | temporal |
| neurologically | 2 | manner |
| among others | 2 | other |
| anxiety → cause → headache | 39 |
| anxiety → lead to → headache | 28 |
| anxiety → manifest as → headache | 9 |
| anxiety → present as → headache | 6 |
| anxiety → manifest in → headache | 6 |
| anxiety → be accompanied by → headache | 5 |
| anxiety → result in → headache | 5 |
| anxiety → include → headache | 5 |
| anxiety → trigger → headache | 4 |
| anxiety → have → headache | 3 |
| negative | neutral | positive |
| 0.855 | 0.131 | 0.014 |
| Raw frequency | 110 |
| Normalized frequency | 0.738 |
| Modifier score | 0.625 |
| Perplexity | 83.704 |