Fig. 2From: Psychiatric disorders and headache familial recurrence: a study on 200 children and their parentsHeadache type in child × psychiatric comorbidity in child × headache familial recurrence. Percentage count for observed frequencies in headache type in child × psychiatric comorbidity in child × headache familial recurrence interaction. Partial χ2 = 6.675; df = 1; P < 0.01. Percentages are calculated separately for migraine and oHs groupsBack to article page