Association between Body Mass Index and Migraine: A Survey of Adult Population in China

Table 3

No correlation between the severity of headache and BMI was found in EM.

Weight category	Mild		Moderate		Severe
	n	(%)	n	(%)	n	(%)
Underweight ()	0	0	9	56.2	7	43.8	0.254
Normal ()	2	1.7	55	45.8	63	52.5	0.259
Overweight ()	1	4	9	36	15	60	0.261
Obese/morbidly obese ()	0	0	4	66.7	1	33.3	0.653