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List of triggers described to aggravate symptoms (N = 169).
| Trigger type | Number (%) |
|---|---|
| Physical activity | 150 (88.7) |
| Stress | 140 (82.8) |
| Lack of sleep | 134 (79.3) |
| Mental activity | 119 (70.4) |
| Noise | 99 (58.6) |
| Heat | 68 (40.2) |
| Cold | 49 (29.0) |
| Diet | 42 (24.8) |
| Other* | 25 (14.8) |
Note: (*) Among the category “other”, following triggers were mentioned: vaccination, infectious disease; menstruation, crowds of people, travels, medication, bright light, high altitude, alcohol consumption.
