{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,18]],"date-time":"2026-09-18T08:04:58Z","timestamp":1789718698584,"version":"4.0.1"},"reference-count":39,"publisher":"Royal College of Psychiatrists","issue":"5","license":[{"start":{"date-parts":[[2026,9,18]],"date-time":"2026-09-18T00:00:00Z","timestamp":1789689600000},"content-version":"unspecified","delay-in-days":17,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["cambridge.org"],"crossmark-restriction":true},"short-container-title":["BJPsych open"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:sec id=\"S2056472426120638_as1\">\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Although a relationship between body fat and mental health problems has been established, sex-based differences in this association remain insufficiently understood.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"S2056472426120638_as2\">\n                    <jats:title>Aims<\/jats:title>\n                    <jats:p>To investigate the association of whole-body and regional fat mass indices with anxiety symptoms in men and women.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"S2056472426120638_as3\">\n                    <jats:title>Method<\/jats:title>\n                    <jats:p>\n                      A nationwide sample of 3856 men and 5010 women was analysed. Fat mass of the whole body, trunk, arm and leg was measured using a bioelectrical impedance analyser, and fat mass indices (kg\/m\n                      <jats:sup>2<\/jats:sup>\n                      ) were derived by dividing fat mass by height squared. Symptoms of anxiety were determined using the Generalized Anxiety Disorder-7. Logistic regressions were used to investigate the association of each fat mass index with anxiety symptoms. Sex-stratified analyses were conducted to assess sex-related differences.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"S2056472426120638_as4\">\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The prevalence of anxiety symptoms was 3.3% among men and 5.5% among women. Among female participants, a one-standard deviation increase in whole-body, trunk, arm or leg fat mass index was associated with 1.20-fold (95% CI: 1.04\u20131.39), 1.21-fold (95% CI: 1.04\u20131.41), 1.19-fold (95% CI: 1.04\u20131.35) and 1.19-fold (95% CI: 1.03\u20131.38) increases in odds of anxiety symptoms, respectively. By contrast, no clear association was observed between fat mass indices and anxiety symptoms in men.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"S2056472426120638_as5\">\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Our analysis demonstrated sex differences in the relationship between body fat and anxiety, with high whole-body and regional fat mass indices positively associated with anxiety symptoms in women.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1192\/bjo.2026.12063","type":"journal-article","created":{"date-parts":[[2026,9,18]],"date-time":"2026-09-18T07:59:25Z","timestamp":1789718365000},"update-policy":"https:\/\/doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":0,"title":["Sex differences in the relationship between whole-body and region-specific fat mass indices and anxiety symptoms in South Korean adults"],"prefix":"10.1192","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0882-8326","authenticated-orcid":false,"given":"Seong-Uk","family":"Baek","sequence":"first","affiliation":[{"name":"Yonsei University College of Medicine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jin-Ha","family":"Yoon","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01wjejq96","id-type":"ROR","asserted-by":"publisher"}],"name":"Yonsei University College of Medicine"},{"name":"Yonsei University Health System"},{"name":"Yonsei University College of 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Published by Cambridge University Press on behalf of Royal College of Psychiatrists","name":"copyright","label":"Copyright","group":{"name":"copyright_and_licensing","label":"Copyright and Licensing"}},{"value":"This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (https:\/\/creativecommons.org\/licenses\/by\/4.0\/), which permits unrestricted re-use, distribution and reproduction, provided the original article is properly cited.","name":"license","label":"License","group":{"name":"copyright_and_licensing","label":"Copyright and Licensing"}},{"value":"This content has been made available to all.","name":"free","label":"Free to read"}],"article-number":"e245"}}