| Symptom |
Cluster 1 (Cognitive N=42) |
Cluster 2 (Low N=129) |
Cluster 3 (Somatic N=57) |
Cluster 4 (High N=42) |
| Headache |
2 |
1 |
2 |
3 |
| Dizziness |
2 |
0 |
1 |
2 |
| Nausea |
1 |
0 |
1 |
1 |
| Noise sensitivity |
1 |
0 |
0 |
3 |
| Sleeping problems |
2 |
0 |
2 |
3 |
| Fatigue |
3 |
1 |
2 |
4 |
| Irritability |
1 |
0 |
1 |
3 |
| Depression |
1 |
0 |
1 |
3 |
| Frustration |
2 |
0 |
2 |
3 |
| Forgetting |
3 |
0 |
1 |
3 |
| Problems with concentration |
3 |
0 |
1 |
3 |
| Take longer to think |
3 |
0 |
1 |
3 |
| Blurred vision |
1 |
0 |
0 |
2 |
| Light sensitivity |
1 |
0 |
0 |
2 |
| Diplopia |
0 |
0 |
0 |
1 |
| Restless |
1 |
0 |
1 |
2 |
|
