Cephalalgia : an international journal of headache
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Randomized Controlled Trial Comparative Study
A comparison between prospective Internet-based and paper diary recordings of headache among adolescents in the general population.
The aim of this article was to develop and apply an Internet-based headache diary (i-diary) for adolescents and compare it with a paper-diary (p-diary) regarding adherence, user acceptability and recorded headache activity. ⋯ Although p-diary users completed a higher proportion of diary days, i-diaries provided more reliable and credible estimates of headache parameters because of better real-time assessment.