Prevalence and burden of headache disorders in two neighboring provinces of China.

To our knowledge, studies concerning the prevalence and burden of primary headache in China are limited to specific regions without comparison of different districts. A survey in a different area with similar climate and culture may enhance our knowledge of the factors causing primary headache and the burden of headache. We conducted a 1 year survey on the prevalence and burden of primary headache in the Chinese provinces of Guangdong and Guangxi.

Prevalence and burden of headache disorders: a comparative regional study in China.

Background.- Since the early 1990s, no study has been undertaken examining the prevalence and burden of headache disorders in China. Objective.