{"title":"Comparison of standardized and non-standardized Japanese translations of the Athens Insomnia Scale.","authors":"Yuta Takano, Isa Okajima, Hiroshi Kadotani","doi":"10.1007/s41105-026-00660-w","DOIUrl":null,"url":null,"abstract":"<p><strong>Purpose: </strong>Standardized and non-standardized Japanese translations of the Athens Insomnia Scale (AIS) have been used interchangeably. This study examined whether the non-standardized Japanese translation is equivalent to the standardized translation.</p><p><strong>Methods: </strong>A total of 1642 city government employees participated in this study. They completed both the standardized and non-standardized Japanese translations of the AIS.</p><p><strong>Results: </strong>Item scores (weighted kappa coefficients = 0.614-0.819), total scores (intraclass correlation coefficient = 0.883), and insomnia severity classifications (weighted kappa coefficient = 0.798) were statistically consistent between the translations.</p><p><strong>Conclusions: </strong>Our findings suggest that non-standardized translation can be used to assess insomnia symptoms.</p>","PeriodicalId":21896,"journal":{"name":"Sleep and Biological Rhythms","volume":"24 4","pages":"555-559"},"PeriodicalIF":2.0000,"publicationDate":"2026-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13620079/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Sleep and Biological Rhythms","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1007/s41105-026-00660-w","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2026/10/1 0:00:00","PubModel":"eCollection","JCR":"Q4","JCRName":"CLINICAL NEUROLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Purpose: Standardized and non-standardized Japanese translations of the Athens Insomnia Scale (AIS) have been used interchangeably. This study examined whether the non-standardized Japanese translation is equivalent to the standardized translation.
Methods: A total of 1642 city government employees participated in this study. They completed both the standardized and non-standardized Japanese translations of the AIS.
Results: Item scores (weighted kappa coefficients = 0.614-0.819), total scores (intraclass correlation coefficient = 0.883), and insomnia severity classifications (weighted kappa coefficient = 0.798) were statistically consistent between the translations.
Conclusions: Our findings suggest that non-standardized translation can be used to assess insomnia symptoms.
期刊介绍：
Sleep and Biological Rhythms is a quarterly peer-reviewed publication dealing with medical treatments relating to sleep. The journal publishies original articles, short papers, commentaries and the occasional reviews. In scope the journal covers mechanisms of sleep and wakefullness from the ranging perspectives of basic science, medicine, dentistry, pharmacology, psychology, engineering, public health and related branches of the social sciences
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