{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,19]],"date-time":"2026-08-19T17:56:05Z","timestamp":1787162165451,"version":"build-2736575974"},"reference-count":39,"publisher":"BMJ","issue":"10","funder":[{"DOI":"10.13039\/100001819","name":"International Rett Syndrome Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100001819","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100020265","name":"Stan Perron Charitable Foundation","doi-asserted-by":"publisher","award":["N\/A"],"award-info":[{"award-number":["N\/A"]}],"id":[{"id":"10.13039\/501100020265","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000925","name":"National Health and Medical Research Council","doi-asserted-by":"publisher","award":["#1117105"],"award-info":[{"award-number":["#1117105"]}],"id":[{"id":"10.13039\/501100000925","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["J Med Genet"],"accepted":{"date-parts":[[2023,3,26]]},"published-print":{"date-parts":[[2023,10]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Rett syndrome is a genetically caused neurodevelopmental disorder associated with severe impairments and complex comorbidities. This study examined predictors of anxiety and depression in Rett syndrome, including genotype.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>The International Rett Syndrome Database, InterRett, was the data source for this observational study. Associations between genotype, functional abilities, comorbidities, anxiety and depression were estimated with univariate and multivariate regression models. An additional regression model for anxiety included use of an anxiety medication as a predictor variable.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The sample included 210 individuals aged 6\u201351 years of whom 54 (25.7%) were on psychotropic medication for anxiety or depression. Individuals with the p.Arg294* variant had the highest anxiety scores, as did those with insomnia or excessive daytime sleepiness, irrespective of anxiety medication use. Individuals with the p.Arg306Cys variant had the lowest depression scores, as did those with insomnia or excessive daytime sleepiness.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Findings indicated that genotype and sleep have implications for mental health in Rett syndrome, suggesting that anticipatory guidance and proactive management of poor sleep could improve mental health. More research is needed to understand the effects of psychometric medications, which cannot be inferred from this cross-sectional study.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1136\/jmg-2022-108905","type":"journal-article","created":{"date-parts":[[2023,4,13]],"date-time":"2023-04-13T13:37:19Z","timestamp":1681393039000},"page":"951-959","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":11,"title":["Genotype and sleep independently predict mental health in Rett syndrome: an observational study"],"prefix":"10.1136","volume":"60","author":[{"given":"Cayla","family":"Kay","sequence":"first","affiliation":[{"name":"School of Human Sciences, The University of Western Australia, Perth, Western Australia, 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