{"title":"Temporal trends in gender-affirming hormone therapy initiation: evidence from whole-of-population Australian administrative data.","authors":"Karinna Saxby, Brendan J Nolan","doi":"10.1111/imj.70194","DOIUrl":null,"url":null,"abstract":"<p><p>Using longitudinal national prescribing data, we estimated the number of transgender and gender-diverse individuals initiating gender-affirming hormone therapy (GAHT) from 2013 to 2024 in Australia. Between 2013 and 2024, 11 883 individuals initiated testosterone-based GAHT and 20 358 initiated oestrogen-based GAHT. Initiation rose from 1118 in 2013 to 5135 in 2024, with a growing share accessing testosterone-based GAHT over time. The mean age at initiation also fell from 50 years in 2013 to 26 years in 2024. Our findings align with international trends, suggesting increasing demand among younger populations. This highlights the need for specialised, accessible gender-affirming care in Australia and underscores the importance of improved data collection to inform health policy and clinical practice.</p>","PeriodicalId":13625,"journal":{"name":"Internal Medicine Journal","volume":" ","pages":""},"PeriodicalIF":1.5000,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Internal Medicine Journal","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1111/imj.70194","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MEDICINE, GENERAL & INTERNAL","Score":null,"Total":0}
引用次数: 0
Abstract
Using longitudinal national prescribing data, we estimated the number of transgender and gender-diverse individuals initiating gender-affirming hormone therapy (GAHT) from 2013 to 2024 in Australia. Between 2013 and 2024, 11 883 individuals initiated testosterone-based GAHT and 20 358 initiated oestrogen-based GAHT. Initiation rose from 1118 in 2013 to 5135 in 2024, with a growing share accessing testosterone-based GAHT over time. The mean age at initiation also fell from 50 years in 2013 to 26 years in 2024. Our findings align with international trends, suggesting increasing demand among younger populations. This highlights the need for specialised, accessible gender-affirming care in Australia and underscores the importance of improved data collection to inform health policy and clinical practice.
期刊介绍：
The Internal Medicine Journal is the official journal of the Adult Medicine Division of The Royal Australasian College of Physicians (RACP). Its purpose is to publish high-quality internationally competitive peer-reviewed original medical research, both laboratory and clinical, relating to the study and research of human disease. Papers will be considered from all areas of medical practice and science. The Journal also has a major role in continuing medical education and publishes review articles relevant to physician education.
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