Table 2.
MCA-identified SRC symptom clusters
| Clusters | Symptoms | Eta-squared |
|---|---|---|
| Migraine | Headache | 0.748 |
| Sensitivity to light | 0.748 | |
| Sensitivity to noise | 0.748 | |
| Nausea | 0.644 | |
| Cognitive–emotional | Difficulty concentrating | 0.578 |
| Difficulty remembering | 0.578 | |
| Fogginess | 0.564 | |
| Feeling more emotional | 0.521 | |
| Irritability | 0.414 | |
| Feeling slowed down | 0.379 | |
| Sadness | 0.360 | |
| Nervousness | 0.360 | |
| Sleep–emotional | Trouble falling asleep | 0.505 |
| Sleeping less | 0.402 | |
| Feeling more emotional | 0.357 | |
| Irritability | 0.305 | |
| Sleeping more | 0.235 | |
| Sadness | 0.234 | |
| Nervousness | 0.234 | |
| Neurological | Blurred vision | 0.550 |
| Vomiting | 0.387 | |
| Neck pain | 0.384 | |
| Pressure in head | 0.361 | |
| Visual problems | 0.251 | |
| Double vision | 0.180 | |
| Undefined feelings | "Don't feel right" | 0.575 |
| Confusion | 0.575 |