{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,19]],"date-time":"2026-05-19T17:51:22Z","timestamp":1779213082581,"version":"3.51.4"},"reference-count":34,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2018,2,6]],"date-time":"2018-02-06T00:00:00Z","timestamp":1517875200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Psychogeriatrics"],"published-print":{"date-parts":[[2018,3]]},"abstract":"Aim<\/jats:title>Until now, there has been no instrument to measure the quality of life (QoL<\/jats:styled-content>) of patients with severe dementia in J<\/jats:styled-content>apan. The purpose of this study was to translate the Q<\/jats:styled-content>uality of L<\/jats:styled-content>ife in L<\/jats:styled-content>ate\u2010stage D<\/jats:styled-content>ementia Scale and to evaluate the reliability and validity of the J<\/jats:styled-content>apanese version (QUALID\u2010J<\/jats:styled-content>).<\/jats:p><\/jats:sec>Methods<\/jats:title>We translated the Q<\/jats:styled-content>uality of L<\/jats:styled-content>ife in L<\/jats:styled-content>ate\u2010stage D<\/jats:styled-content>ementia into J<\/jats:styled-content>apanese with permission from the original authors. We assessed a total of 70 dementia patients (14 men, 56 women; mean age: 87.4\u2009\u00b1\u20097.9\u2009years) with the QUALID\u2010J<\/jats:styled-content>.<\/jats:p><\/jats:sec>Results<\/jats:title>The test\u2013retest and inter\u2010rater reliability of the QUALID\u2010J<\/jats:styled-content> was significant. With regard to the criterion\u2010related validity, the correlation coefficient for the total score between the QUALID\u2010J<\/jats:styled-content> and Q<\/jats:styled-content>uality of L<\/jats:styled-content>ife for A<\/jats:styled-content>lzheimer\u2019s D<\/jats:styled-content>isease was \u22120.287 (P<\/jats:italic>\u2009<\u20090.05). With regard to the construct validity, the QUALID\u2010J<\/jats:styled-content> total score was significantly correlated with the M<\/jats:styled-content>ini\u2010M<\/jats:styled-content>ental S<\/jats:styled-content>tate E<\/jats:styled-content>xamination (\u03c1<\/jats:italic>\u2009=\u2009\u22120.346, P<\/jats:italic>\u2009<\u20090.01), the C<\/jats:styled-content>ognitive T<\/jats:styled-content>est for S<\/jats:styled-content>evere D<\/jats:styled-content>ementia (\u03c1<\/jats:italic>\u2009=\u2009\u22120.323, P<\/jats:italic>\u2009<\u20090.01), the N<\/jats:styled-content>europsychiatry I<\/jats:styled-content>nventory\u2010N<\/jats:styled-content>ursing H<\/jats:styled-content>ome version (\u03c1<\/jats:italic>\u2009=\u20090.386, P<\/jats:italic>\u2009<\u20090.01), the C<\/jats:styled-content>ornell S<\/jats:styled-content>cale for D<\/jats:styled-content>epression in D<\/jats:styled-content>ementia (\u03c1<\/jats:italic>\u2009=\u20090.262, P<\/jats:italic>\u2009<\u20090.05), the P<\/jats:styled-content>hysical S<\/jats:styled-content>elf\u2010M<\/jats:styled-content>aintenance S<\/jats:styled-content>cale (\u03c1<\/jats:italic>\u2009=\u2009\u22120.283, P<\/jats:italic>\u2009<\u20090.05), and the P<\/jats:styled-content>ain A<\/jats:styled-content>ssessment in A<\/jats:styled-content>dvanced D<\/jats:styled-content>ementia (\u03c1<\/jats:italic>\u2009=\u20090.530, P<\/jats:italic>\u2009<\u20090.01).<\/jats:p><\/jats:sec>Conclusion<\/jats:title>The results of this study showed that the QUALID\u2010J<\/jats:styled-content> is a reliable and valid quality of life scale for severe dementia. This scale finally enables an adequate assessment of the quality of life of patients with severe dementia in J<\/jats:styled-content>apan, which has not been possible until now.<\/jats:p><\/jats:sec>","DOI":"10.1111\/psyg.12290","type":"journal-article","created":{"date-parts":[[2018,2,7]],"date-time":"2018-02-07T00:42:43Z","timestamp":1517964163000},"page":"106-112","source":"Crossref","is-referenced-by-count":8,"title":["Development of the J<\/scp>apanese version of the Q<\/scp>uality of L<\/scp>ife in L<\/scp>ate\u2010stage D<\/scp>ementia S<\/scp>cale"],"prefix":"10.1111","volume":"18","author":[{"given":"Yuma","family":"Nagata","sequence":"first","affiliation":[{"name":"Graduate School of Comprehensive Rehabilitation Osaka Prefecture University Osaka Japan"},{"name":"Department of Rehabilitation Healthcare Corporation Seifuuen Imai Hospital Hyogo 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