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Development of a natural language-processing application for LGBTQ+ status in mental health records

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Xuất bản năm:BJPsych Open vol. 11, no. 6 (Oct 2025)
Tác giả chính: Heslin, Margaret
Tác giả khác: Chaturvedi, Jaya, Bonnici Mallia, Anne Marie, Taaca, Ace, Pontes, Diogo, Saraswat, Charvi, Woodhead, Charlotte, Rimes, Katharine A., Chandran, David, Sanyal, Jyoti, Ma, Ruimin, Stewart, Robert, Roberts, Angus
Được phát hành:
Cambridge University Press
Những chủ đề:
South London & Maudsley NHS Foundation Trust
Sexual orientation
Language
Electronic health records
Mental health care
Sexuality
Gays & lesbians
Transgender persons
Natural language processing
Annotations
LGBTQ people
Entropy
Gender identity
Health services
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Bài tóm tắt:Background Lesbian, gay, bisexual, transgender, queer and related community (LGBTQ+) individuals have significantly increased risk for mental health problems. However, research on inequalities in LGBTQ+ mental healthcare is limited because LGBTQ+ status is usually only contained in unstructured, free-text sections of electronic health records. Aims This study investigated whether natural language processing (NLP), specifically the large language model, Bi-directional Encoder Representations from Transformers (BERT), can identify LGBTQ+ status from this unstructured text in mental health records. Method Using electronic health records from a large mental healthcare provider in south London, UK, relevant search terms were identified and a random sample of 10 000 strings extracted. Each string contained 100 characters either side of a search term. A BERT model was trained to classify LGBTQ+ status. Results Among 10 000 annotations, 14% (1449) confirmed LGBTQ+ status while 86% (8551) did not. These other categories included LGBTQ+ negative status, irrelevant annotations and unclear cases. The final BERT model, tested on 2000 annotations, achieved a precision of 0.95 (95% CI 0.93–0.98), a recall of 0.93 (95% CI 0.91–0.96) and an F1 score of 0.94 (95% CI 0.92–0.97). Conclusion LGBTQ+ status can be determined using this NLP application with a high success rate. The NLP application produced through this work has opened up mental health records to a variety of research questions involving LGBTQ+ status, and should be explored further. Additional work should aim to extend what has been done here by developing an application that can distinguish between different LGBTQ+ groups to examine inequalities between these groups.
số ISSN:2056-4724
DOI:10.1192/bjo.2025.10855
Nguồn:Psychology Collection