Table 5. Stressful Events Before the First Ever Migraine Attack.

Chi-square test

	Stressful Event Preceded First Ever Migraine Attack			p-value
Age first ever experience migraine attacks	Yes	No	Total
18-25 years	84 (31.0%)	40 (14.8%)	124 (45.8%)	0.534
26-30 years	59 (21.8%)	33 (12.2%)	92 (33.9%)
31-35 years	21 (7.7%)	7 (2.6%)	28 (10.3%)
36-40 years	11 (4.1%)	4 (1.5%)	15 (5.5%)
41+ years	10 (3.7%)	2 (0.7%)	12 (4.4%)
Total	185 (68.3%)	86 (31.7%)	271 (100%)