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Kaplan\u2013Meier survival analysis estimated projected lifetime risk and time to remission. Cox regression tested for projected lifetime remission. Logistic regression tested associations between post-traumatic stress disorder and demographic, mental health, and physical health variables, and prevalence changes between the 2007 and 2020\u20132022 surveys.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      Lifetime post-traumatic stress disorder prevalence (\n                      <jats:italic toggle=\"yes\">n<\/jats:italic>\n                      \u2009=\u200915,893) was 7.1%. Females had higher odds than males (odds ratio\u2009=\u20092.3, confidence interval\u2009=\u2009[2.0, 2.7]) of post-traumatic stress disorder diagnosis. Projected lifetime risk was 9.6% and higher for females (12.3%) than males (6.4%; hazard ratio\u2009=\u20092.2, standard error\u2009=\u20090.10). Projected lifetime remission was 63.3%, with higher remission for males than females (68.7% vs 61.2%; hazard ratio\u2009=\u20090.81; standard error\u2009=\u20090.10). Three quarters entered remission after 10\u2009years for males and 20\u2009years for females. Individuals with post-traumatic stress disorder had higher odds of experiencing any anxiety disorder (adjusted odds ratio\u2009=\u20096.0, confidence interval\u2009=\u2009[5.0, 7.3]), any mood disorder (adjusted odds ratio\u2009=\u20094.8, confidence interval\u2009=\u2009[3.9, 5.9]), sedative use disorder (adjusted odds ratio\u2009=\u20097.9, confidence interval\u2009=\u2009[3.9, 15.9]), suicidality (adjusted odds ratio\u2009=\u20095.0, confidence interval\u2009=\u2009[4.2, 5.9]), asthma (adjusted odds ratio\u2009=\u20092.0, confidence interval\u2009=\u2009[1.7, 2.4]) and diabetes (adjusted odds ratio\u2009=\u20091.8, confidence interval\u2009=\u2009[1.2, 2.6]). No differences in post-traumatic stress disorder diagnosis were observed between the 2007 and 2020\u20132022 surveys.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>Post-traumatic stress disorder remains a prevalent and chronic condition in Australia, frequently co-occurring with other mental and physical health conditions and characterised by significant sex differences in risk and remission.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/00048674261450374","type":"journal-article","created":{"date-parts":[[2026,6,17]],"date-time":"2026-06-17T02:53:06Z","timestamp":1781664786000},"page":"836-847","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":1,"title":["Post-traumatic stress disorder in Australia: Results from the 2020\u20132022 National Study of Mental Health and Wellbeing"],"prefix":"10.1177","volume":"60","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5828-4283","authenticated-orcid":false,"given":"Cynthia M","family":"Kroeger","sequence":"first","affiliation":[{"name":"The Matilda Centre for Research in Mental Health and Substance Use, The University of Sydney, Sydney, NSW, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-6135-0452","authenticated-orcid":false,"given":"Sam","family":"Jones","sequence":"additional","affiliation":[{"name":"The Matilda Centre for Research in Mental Health and Substance Use, The University of Sydney, Sydney, NSW, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0896-7112","authenticated-orcid":false,"given":"Amy-Leigh","family":"Rowe","sequence":"additional","affiliation":[{"name":"The Matilda Centre for Research in Mental Health and Substance Use, The University of Sydney, Sydney, NSW, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4466-7731","authenticated-orcid":false,"given":"Lucinda","family":"Grummitt","sequence":"additional","affiliation":[{"name":"The Matilda Centre for Research in Mental Health and Substance Use, The University of Sydney, Sydney, NSW, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5898-2065","authenticated-orcid":false,"given":"Siobhan M","family":"O\u2019Dean","sequence":"additional","affiliation":[{"name":"The Matilda Centre for Research in Mental Health and Substance Use, The University of Sydney, Sydney, NSW, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5206-3618","authenticated-orcid":false,"given":"Kirsty","family":"Rowlinson","sequence":"additional","affiliation":[{"name":"The Matilda Centre for Research in Mental Health and Substance Use, The University of Sydney, Sydney, NSW, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0540-5691","authenticated-orcid":false,"given":"Emma L","family":"Barrett","sequence":"additional","affiliation":[{"name":"The Matilda Centre for Research in Mental Health and Substance Use, The University of Sydney, Sydney, NSW, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2460-6862","authenticated-orcid":false,"given":"Cath","family":"Chapman","sequence":"additional","affiliation":[{"name":"The Matilda Centre for Research in Mental Health and Substance Use, The University of Sydney, Sydney, NSW, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katherine L","family":"Mills","sequence":"additional","affiliation":[{"name":"The Matilda Centre for Research in Mental Health and Substance Use, The University of Sydney, Sydney, NSW, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2026,6,16]]},"reference":[{"key":"e_1_3_2_2_1","unstructured":"ABS (2016) Australian Bureau of Statistics: Australian Statistical Geography Standard (ASGS): Volume 5 \u2013 Remoteness Structure (Cat no. 1270.0.55.005). 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