{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,12]],"date-time":"2026-03-12T08:47:49Z","timestamp":1773305269814,"version":"3.50.1"},"reference-count":35,"publisher":"Wiley","issue":"S1","license":[{"start":{"date-parts":[[2015,2,6]],"date-time":"2015-02-06T00:00:00Z","timestamp":1423180800000},"content-version":"vor","delay-in-days":5,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Headache"],"published-print":{"date-parts":[[2015,2]]},"abstract":"<jats:sec>\n                    <jats:title>Background\/Objectives<\/jats:title>\n                    <jats:p>\n                      In\n                      <jats:styled-content style=\"fixed-case\">B<\/jats:styled-content>\n                      razil, several epidemiological studies on headache have been produced, most with an emphasis on prevalence and the association of primary headaches with some sociodemographic characteristics of the population. Data on the burden of headache, however, are scarce. The aim of this paper is to review all\n                      <jats:styled-content style=\"fixed-case\">B<\/jats:styled-content>\n                      razilian population\u2010based studies on headache, as well as to analyze the Migraine Disability Assessment Score (\n                      <jats:styled-content style=\"fixed-case\">MIDAS<\/jats:styled-content>\n                      ) data collected with the\n                      <jats:styled-content style=\"fixed-case\">PhD<\/jats:styled-content>\n                      thesis of the senior author (\n                      <jats:styled-content style=\"fixed-case\">LPQ<\/jats:styled-content>\n                      ).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Method<\/jats:title>\n                    <jats:p>\n                      A literature review was performed using the keywords (\u201cheadache\u201d or \u201cmigraine\u201d) and (\u201cepidemiology\u201d or \u201cprevalence\u201d) and (\n                      <jats:styled-content style=\"fixed-case\">B<\/jats:styled-content>\n                      razil). Another part of this paper will look at unpublished data on disability (\n                      <jats:styled-content style=\"fixed-case\">MIDAS<\/jats:styled-content>\n                      ), collected with the prevalence data of the\n                      <jats:styled-content style=\"fixed-case\">B<\/jats:styled-content>\n                      razilian nationwide epidemiological study of headache.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      There are 6 published epidemiological studies of headache in\n                      <jats:styled-content style=\"fixed-case\">B<\/jats:styled-content>\n                      razil. The mean 1\u2010year prevalence of headache in\n                      <jats:styled-content style=\"fixed-case\">B<\/jats:styled-content>\n                      razil is 70.6%, of migraine 15.8%, of tension\u2010type headache (\n                      <jats:styled-content style=\"fixed-case\">TTH<\/jats:styled-content>\n                      ) 29.5%, and of chronic daily headache (\n                      <jats:styled-content style=\"fixed-case\">CDH<\/jats:styled-content>\n                      ) 6.1%. Disability is significantly higher: in females compared to males; in patients with migraine and\n                      <jats:styled-content style=\"fixed-case\">CDH<\/jats:styled-content>\n                      compared to patients with\n                      <jats:styled-content style=\"fixed-case\">TTH<\/jats:styled-content>\n                      ; and in those with headaches \u226515 days per month rather than those with episodic headaches. There was also a positive relationship between pain intensity and severity of disability. Patients with higher disability used more both abortive and prophylactic medication.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>\n                      The mean prevalence of headache in\n                      <jats:styled-content style=\"fixed-case\">B<\/jats:styled-content>\n                      razil, and some of its subtypes, is similar to the rates described in other countries of the world. Disability is higher in females, in patients with migraine, in individuals with headaches \u226515 days per month, and in those with severe head pain.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/head.12511","type":"journal-article","created":{"date-parts":[[2015,2,6]],"date-time":"2015-02-06T11:14:06Z","timestamp":1423221246000},"page":"32-38","source":"Crossref","is-referenced-by-count":52,"title":["The Prevalence and Impact of Headache in\n                    <scp>B<\/scp>\n                    razil"],"prefix":"10.1111","volume":"55","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8976-627X","authenticated-orcid":false,"given":"Luiz P.","family":"Queiroz","sequence":"first","affiliation":[{"name":"Department of Neurology Universidade Federal de Santa Catarina  Florianopolis Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ariovaldo A.","family":"Silva Junior","sequence":"additional","affiliation":[{"name":"Headache Clinic 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