Classification of headaches
migraine, Headache, headaches, headache
MIGRAINE, HEADACHE DISORDERS, TENSION-TYPE HEADACHES
To develop the index, we needed to categorize the children into having migraine or tension-type headaches. The standard method when diagnosing headaches are using interviews and headache diaries, and optionally validated questionnaires. The children evaluated for participation in the trial were included due to experiencing recurrent headaches and not by diagnosis, and therefore the available data does not cover the ICHD criteria entirely, so the categorization had to be slightly modified (Table Headache diagnoses by available data according to the International Classification of Headache Disorders (ICHD)