Childhood headache at school entry: A controlled clinical study

Our objective was to study the prevalence of different headache types, characterizations, and triggers of headache in Finnish children starting school.Questionnaires were sent to 1,132 families with 6-year-old children. Children with headache disturbing their daily activities (n=96) and an asymptomatic control group of children (n=96) participated in a clinical interview and examination.Children with headache had significantly more bruxism (odds...