Objective: To investigate the prevalence, risk factors, and prognosis of chronic daily
headache (CDH) in a population of elderly Chinese subjects. Methods: A community-based …

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 …

Objective: To investigate the prevalence of headaches in a Chinese elderly population.
Background: There are few headache surveys in the elderly. Previous studies have shown a …

The etiology and prognosis of chronic daily headache (CDH) are not well understood. The
aim of this study is to describe factors that predict CDH onset or remission in an adult …

OBJECTIVES To assess the 1 year prevalence of tension-type headache (TTH), migraine
headache (MH), and chronic daily headache (CDH), as well as of headache in general in a …

Objectives: To determine the relative frequency of chronic daily headache (CDH) subtypes
in adolescents and to compare the distribution of CDH subtypes in adolescents and adults of …

Daily or near-daily headache is a widespread problem in clinical practice. The general term
of chronic daily headache (CDH) encompasses those primary headaches presenting more …

Background and Objectives.—Although chronic daily headache, mainly transformed
migraine, is an important reason for consultation in headache clinics, its actual prevalence is …

Objectives: To examine the prevalence, impact, and related medication use or overuse of
primary chronic daily headache (CDH) among adolescents in a field sample. Methods: The …

Objective: To analyze the prevalence and demography of chronic daily headache (CDH)
with analgesic overuse. Methods: A population of 9,984 inhabitants aged 14 or older living …