{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,6]],"date-time":"2026-09-06T09:38:41Z","timestamp":1788687521926,"version":"build-2803163510"},"reference-count":21,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2025,4,18]],"date-time":"2025-04-18T00:00:00Z","timestamp":1744934400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["headachejournal.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Headache"],"published-print":{"date-parts":[[2025,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>This study aimed to compare the frequency, characteristics, and impact of primary headaches in transgender men (TM), cisgender men (CM), and cisgender women (CW).<\/jats:p><\/jats:sec><jats:sec><jats:title>Background<\/jats:title><jats:p>Gender is a social construct shaped by roles and norms and influenced by cultural and environmental factors. Studies on primary headaches typically only consider sex and generally overlook gender.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>This was a case\u2013control study conducted at the Hospital das Cl\u00ednicas, Universidade Federal de Pernambuco, Brazil. A pilot study comparing 25 TM and 25 CM individuals was conducted to determine sample size requirements. After that, 50 TM (cases), 50 CM (controls), and 50 CW (controls) were included. The controls were age matched to cases. A semi\u2010structured questionnaire, the six\u2010item Headache Impact Test (HIT\u20106), and the Hospital Anxiety and Depression Scale were used. Data collection occurred from April 2022 to November 2023.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>All the TM were taking gender\u2010affirming hormone therapy (testosterone cypionate, 41; testosterone undecanoate\/undecylenate, six; testosterone esters, three). According to the sample size calculation, adequate power was only achieved for the frequency of tension\u2010type headache (TTH) and for headache impact. No differences were observed between TM and CW in the frequency of migraine (odds ratio [OR] 1.14, 95% confidence interval [CI] 0.45\u20132.91), TTH (OR 0.74, 95% CI 0.28\u20131.96), or headache severity (frequency \u22658\u2009days\/month: OR 0.54; 95% CI 1.18\u20131.63; moderate\/severe intensity: OR 1.24, 95% CI 0.49\u20133.18; HIT\u20106 score \u226556 points: OR 0.66, 95% CI 0.25\u20131.75) (OR adjusted for higher education and depression by conditional logistic regression). The TM group exhibited significantly lower rates of all types of headache (OR 0.20, 95% CI 0.05\u20130.85) and TTH (OR 0.18, 95% CI 0.07\u20130.45) and a significantly higher prevalence of any migraine (OR 3.93, 95% CI 1.60\u20139.63) and migraine without aura (OR 3.12, 95% CI 1.10\u20138.84) compared to the CM group (OR adjusted for anxiety and depression by conditional logistic regression). There were no differences between TM and CM in headache severity (frequency, intensity, and impact).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>There are no differences in the headache type or severity between the TM and CW groups. TM have a higher prevalence of migraine than CM, but no difference in headache severity.<\/jats:p><\/jats:sec>","DOI":"10.1111\/head.14944","type":"journal-article","created":{"date-parts":[[2025,4,19]],"date-time":"2025-04-19T02:20:16Z","timestamp":1745029216000},"page":"1449-1456","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Headache in transgender men using gender\u2010affirming hormone therapy: A case\u2013control study"],"prefix":"10.1111","volume":"65","author":[{"given":"Erik","family":"Trov\u00e3o Diniz","sequence":"first","affiliation":[{"name":"Hospital das Cl\u00ednicas Federal University of Pernambuco (UFPE)  Recife Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jardelina Brena","family":"Rocha Leite","sequence":"additional","affiliation":[{"name":"Hospital das Cl\u00ednicas Federal University of Pernambuco (UFPE)  Recife 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Rocha\u2010Filho","sequence":"additional","affiliation":[{"name":"Division of Neuropsychiatry, Centro de Ci\u00eancias M\u00e9dicas Universidade Federal de Pernambuco (UFPE)  Recife Brazil"},{"name":"Headache Clinic Hospital Universit\u00e1rio Oswaldo Cruz, Universidade de Pernambuco (UPE)  Recife 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