{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T12:54:11Z","timestamp":1773060851566,"version":"3.50.1"},"reference-count":30,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2021,10,9]],"date-time":"2021-10-09T00:00:00Z","timestamp":1633737600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Int J Geriat Psychiatry"],"published-print":{"date-parts":[[2022,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>Supporting people suffering from Diogenes Syndrome (DS) is a challenge for geriatric psychiatry. However, there is a lack of knowledge about DS in Japan. Therefore, a systematic longitudinal study to clarify the factors associated with DS and its prognosis was conducted.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods\/Design<\/jats:title><jats:p>A retrospective study using data from case records of a municipal psychogeriatric service was conducted. The study population was socially isolated older adults with complex mental health and social care needs who had been referred to the service over 10 years. The participants were stratified into DS and non\u2010DS groups, multivariate analysis was performed to identify factors associated with DS, and survival analysis was performed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Of the 270 participants, 61 with Environmental Cleanliness and Clutter Scale (ECCS) scores &gt;12 were assigned to the DS group, and 209 with ECCS scores \u226412 were assigned to the non\u2010DS group. On multiple logistic regression analysis, significantly more people in the DS group were living alone, had advanced dementia, and had reduced basic activities of daily living (BADL) compared to the non\u2010DS group. Furthermore, survival analysis showed that the DS group had a higher risk of early death than the non\u2010DS group.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>In the present study, social isolation, living alone, advanced dementia, and reduced BADL were found to be associated with DS. In addition, DS had a high risk of early death. Support for DS must take into account not only mental and social health, but also physical health from an early stage.<\/jats:p><\/jats:sec>","DOI":"10.1002\/gps.5635","type":"journal-article","created":{"date-parts":[[2021,10,4]],"date-time":"2021-10-04T11:59:14Z","timestamp":1633348754000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Diogenes syndrome in a 10\u2010year retrospective observational study: An elderly case series in Tokyo"],"prefix":"10.1002","volume":"37","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4402-5694","authenticated-orcid":false,"given":"Kae","family":"Ito","sequence":"first","affiliation":[{"name":"Tokyo Metropolitan Institute of Gerontology Research Team for Human Care  Itabashi\u2010ku Tokyo 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