Fig. 2From: Interaction between diabetes and body mass index on severe headache or migraine in adults: a cross-sectional studyEffect of body mass index on migraine in different subgroup (sex, age, diabetes). Except the stratification variables themselves, each stratification factor was adjusted for all other variables (sex, age, marital status, race, education level, family income, smoking status, drinking, hypertension, coronary heart disease, stroke, diabetes, and C-reactive protein)Back to article page