The occurrence of recall bias in pediatric headache: a comparison of questionnaire and diary data.

Abstract

OBJECTIVE To investigate whether children and adolescents can recall prior headache complaints accurately and to study whether age, gender, headache severity, preferred coping strategies, depression, somatization, and trait anxiety are related to recall errors, causing recall bias. METHODS A retrospective headache questionnaire and a prospective 4-week… (More)

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