Table 1 Baseline and Demographic Characteristics of the Survey Populationa
Characteristic | Total (n = 253) | EM (n = 119) | CM (n = 134) | Quarterly (n = 131) | Monthly (n = 122) |
|---|---|---|---|---|---|
Mean (SD) age, years | 45.5 (11.6) | 46.9 (12.3) | 45.2 (11.0) | 47.3 (10.9) | 44.7 (12.2) |
Mean (SD) age at migraine diagnosis, years | 23.5 (9.4) | 24.5 (10.4) | 22.5 (8.4) | 24.6 (10.0) | 22.3 (8.7) |
Sex, n (%) | |||||
Female | 224 (88.5) | 104 (87.4) | 120 (89.6) | 120 (91.6) | 104 (85.2) |
Male | 29 (11.5) | 15 (12.6) | 14 (10.4) | 11 (8.4) | 18 (14.8) |
Race, n (%)b | |||||
Caucasian | 210 (83.0) | 99 (83.2) | 111 (82.8) | 103 (78.6) | 107 (87.7) |
Black/African American | 24 (9.5) | 13 (10.9) | 11 (8.2) | 16 (12.2) | 8 (6.6) |
Asian/Pacific Islander | 8 (3.2) | 2 (1.7) | 6 (4.5) | 4 (3.1) | 4 (3.3) |
Native American | 1 (0.4) | 1 (0.8) | 0 | 1 (0.8) | 0 |
Other | 7 (2.8) | 4 (3.4) | 3 (2.2) | 4 (3.1) | 3 (2.5) |