Table 2.
Onset (N = 1534).
| Items | % (n) |
|---|---|
| Immediate onset of symptom exacerbation | 72.3 (1109) |
| All the time | 9.9 (152) |
| Most of the time | 21.9 (336) |
| About half the time | 24.1 (369) |
| A little of the time | 15.6 (239) |
| Delayed onset of symptom exacerbation | 91.4 (1402) |
| All the time | 21.8 (335) |
| Most of the time | 37.1 (569) |
| About half the time | 23.4 (359) |
| A little of the time | 8.1 (125) |
| How long after the exertion does your symptom exacerbation occur * | |
| 1 h or less | 16.5 (253) |
| 2–6 h | 33.1 (508) |
| 7–12 h | 31.0 (476) |
| 13–24 h | 43.2 (662) |
| 1–2 days | 53.1 (815) |
| 3–4 days | 15.7 (241) |
| 5–6 days | 4.5 (69) |
| More than 1 week | 4.2 (65) |
Note: * For this item, participants could select more than one answer. There is also an option for participants to describe what activities and which symptoms affect immediate and/or delayed onset.