Chronic daily headache in Taipei, Taiwan: Prevalence, follow-up and outcome predictors

S. R. Lu, J. L. Fuh, W. T. Chen, K. D. Juang, S. J. Wang*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

226 Scopus citations


We conducted a two-stage population-based headache survey among subjects aged ≥15 in Taipei, Taiwan. Subjects with chronic daily headache (CDH) in the past year were identified, interviewed and followed-up. CDH was defined as a headache frequency >15 days/month, with a duration >4 h/day. Of the 3377 participants, 108 (3.2%) fulfilled the criteria for CDH, with a higher prevalence in women (4.3%) than men (1.9%). TM was the most common subtype (55%), followed by CTTH (44%). Thirty-four percent of the CDH subjects overused analgesics. At the 2-year follow-up, 35% of the CDH subjects still had CDH. The significant predictors for persistent CDH at follow-up included: older age (≥40 years) (RR=2.4), CDH onset after 32 years (RR=1.8), CDH duration ≥6 years (RR=2.0), medication overuse (RR=1.8), and 'daily' headache (RR=2.1). We found that CDH is not uncommon in the community and its prevalence is similar among different populations. Older subjects and those with medication overuse may have a more protracted course of illness.

Original languageEnglish
Pages (from-to)980-986
Number of pages7
Issue number10
StatePublished - 2001


  • Chronic daily headache
  • Chronic tension-type headache
  • Prevalence
  • Transformed migraine


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