Table 2.

Association between migraine prevalence and demographic, anthropometric, and clinical characteristics in patients with type 2 diabetes and healthy people

Variable		Diabetic group			Non diabetic group
		n	%	p-value	n	%	p-value	p-value*
Sex	Male	4	7.3	<.001	4	8.3	<.001	<.001
	Female	37	40.2		35	34.3
Employment	No	34	39.1	<.001	29	34.5	.006	<.001
	Yes	7	11.7		10	15.2
Education	Below diploma	32	34	.013	20	38.5	.010	.001
	Diploma and upper	8	15.7		19	19.4
History of migraine in first degree relatives	No	23	20.9	.001	17	15.6	<.001	<.001
	Yes	18	50		22	53.7
Age (years)	30–35	2	15.4		14	23
	36–40	8	30.8	.471	10	22.7	.251	.172
	41–45	31	28.7		15	33.3
BMI (kg/m2)	20–25	9	25.7		12	22.6
	25–30	19	28.4	.712	18	27.3	.492	.426
	30–42	13	29.5		9	29
Medication	No drug	6	23.1		……	……	……	……
	Insulin	12	27.9	.549	……	……	……	……
	Oral agants	23	29.5		……	……	……	……
Hypoglycemia	No	13	16.7	.001	……	……	……	……
	Yes	28	41.2
HbA1c (%)	5–7	11	35.5		……	……	……	……
	7–9	17	27	.306	……	……	……	……
	9–15	13	24.5		……	……	……	……
Duration of diabetes (years)	1–5	22	25.9		……	……	……	……
	6–10	10	33.3	.031	……	……	……	……
	11–15	9	40.9		……	……	……	……
	16–20	0			……	……	……	……

BMI indicates body mass index; HbA1c (%), percentage of blood glycosylated hemoglobin; n, the number of persons with migraine; %, frequency of migraine, p-value*, p-value between two groups of diabetics and non-diabetics