Table 2.

Aura status and migraine characteristics of the three nested samples of the WGHS.

	Full migraineurs (N = 1,422)	Full and probable migraineurs (N = 2,258)	All migraineurs (N = 3,003)
Aura or migraine symptom	N (%)	N (%)	N (%)
Aura	546 (38.4)	823 (36.4)	1,177 (39.2)
Pulsating pain	1,077 (75.7)	1,444 (63.9)	1,591 (53.0)
Unilateral pain	1,099 (77.3)	1,547 (68.5)	1,791 (59.6)
Phonophobia	867 (61.0)	1,161 (51.4)	1,232 (41.0)
Photophobia	1,162 (81.7)	1,671 (74.0)	1,976 (66.8)
Duration of 4–72 h	1,422 (100)	2,125 (94.1)	2,348 (78.1)
Nausea & vomiting	1,293 (90.1)	1,809 (80.1)	1,958 (65.2)
Pain aggravation by physical activity	797 (56.0)	970 (43.0)	1,017 (33.9)
Inhibition of daily activities	1,091 (76.7)	1,407 (62.3)	1,499 (49.9)
Migraine attack frequency ≥ 6/year	585 (41.1)	875 (38.8)	1,050 (35.0)