Table 3.

Any Migraine in EPGP Participants

	No. participants		Unadjusted		Adjusted
	Total	With Any Migraine (%)	OR*	(95% CI)	OR**	(95% CI)
All participants	730	184 (25.2)	--	--	--	--
Female	445	140 (31.5)	2.5	(1.72–3.66)	2.4	(1.62–3.52)
Male	285	44 (14.5)	1.0	(referent)	1.0	(referent)
Age (years)
12–24	340	56 (16.5)	1.0	(referent)	1.0	(referent)
25–39	189	66 (34.9)	2.7	(1.79–4.13)	2.3	(1.50–3.67)
≥40	201	62 (30.8)	2.3	(1.48–3.46)	1.6	(1.02–2.82)
Probands	371	87 (23.5)	1.0	(referent)	1.0	(referent)
Siblings	231	52 (22.5)	1.0	(0.65–1.38)	0.9	(0.62–1.35)
Parents	128	45 (35.2)	1.8	(1.16–2.70)	1.2	(0.70–1.95)
Generalized epilepsy	435	103 (23.7)	1.0	(referent)	1.0	(referent)
Focal epilepsy	295	81 (27.5)	1.2	(0.86–1.73)	1.2	(0.83–1.73)
No. additional first-degree relatives with seizure disorders
None	549	131 (23.9)	1.0	(referent)	1.0	(referent)
1	133	33 (24.8)	1.1	(0.66–1.69)	1.0	(0.59–1.58)
≥2	48	20 (41.7)	2.3	(1.19–4.38)	2.0	(0.99–3.85)

^*Bivariate odds ratio and 95% confidence interval, computed by generalized estimating equations.

^**Multivariate odds ratio and 95% confidence interval, computed by generalized estimating equations, with all variables in table included in the model.