Research Article

Body Mass Index and Primary Headache: A Hospital-Based Study in China

Figure 1

Results of multiple comparisons of BMI among the migraine/TTH/other headache groups. Note. means that the BMI of the migraineurs was lower than that of the other two groups. However, the difference reached statistical significance only between the migraine and other headache groups. BMI: body mass index; M: migraine; TTH: tension-type headache.