Table 1 Respondent demographics
10 - 29a | 30–39 | 40–49 | 50–59 | 60 + b | Overall – all age groups combined | |
|---|---|---|---|---|---|---|
Variable | ||||||
Number of patients, N (% of total patients) | 25 (12.1%) | 40 (19.3%) | 63 (30.4%) | 47 (22.7%) | 32 (15.5%) | 207 (100%) |
Female, n (% of age group) | 15 (60.0%) | 33 (82.5%) | 55 (87.3%) | 45 (95.7%) | 27 (84.4%) | 175 (84.5%) |
Mean age, years (SD) | 24.3 (4.1) | 34.7 (3.2) | 44.7 (2.9) | 54.3 (2.7) | 64.0 (3.5) | 45.5 (12.6) |
Mean age of onset, years (SD) | 17.0 (3.5) | 20.4 (7.4) | 27.5 (11.1) | 30.8 (11.9) | 41.1 (14.5) | 27.7 (12.9) |
Mean age of diagnosis, years (SD) | 21.4 (4.3) | 30.9 (5.3) | 36.6 (7.7) | 43.4 (10.7) | 53.5 (12.1) | 37.8 (12.9) |
Mean time from first symptoms to diagnosis, yearsc | 4.4 | 10.5 | 9.1 | 12.6 | 12.4 | 10.1 |
Mean duration of disease, years (SD) | 7.3 (4.1) | 14.2 (7.6) | 17.2 (11.5) | 23.6 (11.7) | 22.9 (14.1) | 17.7 (11.8) |
Mean number of headache days per month (SD) | 11.6 (9.6) | 11.6 (9.6) | 10.8 (7.8) | 14.0 (9.6) | 14.8 (11.8) | 12.4 (9.5) |
Episodic migraine, n (% of age group) | 17 (68.0%) | 27 (67.5%) | 45 (71.4%) | 28 (59.6%) | 18 (56.3%) | 135 (65.2%) |
Chronic migraine, n (% of age group) | 8 (32.0%) | 13 (32.5%) | 18 (28.6%) | 19 (40.4%) | 14 (43.8%) | 72 (34.8%) |