Caffeine as a risk factor for chronic daily headache: A population-based study

Ann I. Scher, Walter F. Stewart, Richard B. Lipton

Research output: Contribution to journalArticle

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Abstract

Objective: To investigate the possible association of dietary caffeine consumption and medicinal caffeine use with chronic daily headache (CDH). Methods: Population-based cases and controls were recruited from the Baltimore, MD, Philadelphia, PA, and Atlanta, GA, metropolitan areas. Controls (n = 507) reported 2 to 104 headache days/year, and cases (n = 206) reported ≥180 headache days/year. Current and past dietary caffeine consumption and medication use for headache were based on detailed self-report. High caffeine exposure was defined as being in the upper quartile of dietary consumption or using a caffeine-containing over-the-counter analgesic as the preferred headache treatment. Results: In comparison with episodic headache controls, CDH cases were more likely overall to have been high caffeine consumers before onset of CDH (odds ratio [OR] = 1.50, p = 0.05). No association was found for current caffeine consumption (i.e., post CDH) (OR = 1.36, p = 0.12). In secondary analyses, associations were confined to younger (age <40) women (OR = 2.0, p = 0.02) and those with chronic episodic (as opposed to chronic continuous) headaches (OR = 1.69, p = 0.01), without physician consultation (OR = 1.67, p = 0.04) and of recent (<2 years) onset (OR = 1.67, p = 0.03). Conclusion: Dietary and medicinal caffeine consumption appears to be a modest risk factor for chronic daily headache onset, regardless of headache type.

Original languageEnglish (US)
Pages (from-to)2022-2027
Number of pages6
JournalNeurology
Volume63
Issue number11
StatePublished - Dec 14 2004

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Headache Disorders
Caffeine
Headache
Odds Ratio
Population
Baltimore
Self Report
Analgesics
Referral and Consultation
Physicians

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Caffeine as a risk factor for chronic daily headache : A population-based study. / Scher, Ann I.; Stewart, Walter F.; Lipton, Richard B.

In: Neurology, Vol. 63, No. 11, 14.12.2004, p. 2022-2027.

Research output: Contribution to journalArticle

Scher, Ann I. ; Stewart, Walter F. ; Lipton, Richard B. / Caffeine as a risk factor for chronic daily headache : A population-based study. In: Neurology. 2004 ; Vol. 63, No. 11. pp. 2022-2027.
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