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

Table 4

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

Weight category	Mild		Moderate		Severe
	n	(%)	n	(%)	n	(%)
Underweight ()	0	0	5	38.5	8	61.5	0.487
Normal ()	3	3.61	43	44.6	50	53.8	0.251
Overweight ()	0	0	12	52.2	11	47.8	0.651
Obese/morbidly obese ()	0	0	2	40	3	60	0.534