{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,29]],"date-time":"2025-10-29T13:31:21Z","timestamp":1761744681428,"version":"3.37.3"},"reference-count":37,"publisher":"Public Library of Science (PLoS)","issue":"2","license":[{"start":{"date-parts":[[2018,2,12]],"date-time":"2018-02-12T00:00:00Z","timestamp":1518393600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["www.plosone.org"],"crossmark-restriction":false},"short-container-title":["PLoS ONE"],"DOI":"10.1371\/journal.pone.0192394","type":"journal-article","created":{"date-parts":[[2018,2,12]],"date-time":"2018-02-12T18:32:56Z","timestamp":1518460376000},"page":"e0192394","update-policy":"https:\/\/doi.org\/10.1371\/journal.pone.corrections_policy","source":"Crossref","is-referenced-by-count":6,"title":["Beyond factor analysis: Multidimensionality and the Parkinson\u2019s Disease Sleep Scale-Revised"],"prefix":"10.1371","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9115-1848","authenticated-orcid":true,"given":"Maria E.","family":"Pushpanathan","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrea M.","family":"Loftus","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Natalie","family":"Gasson","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Meghan G.","family":"Thomas","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Caitlin F.","family":"Timms","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michelle","family":"Olaithe","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Romola S.","family":"Bucks","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"340","published-online":{"date-parts":[[2018,2,12]]},"reference":[{"key":"ref1","doi-asserted-by":"crossref","first-page":"629","DOI":"10.1136\/jnnp.73.6.629","article-title":"The Parkinson\u2019s disease sleep scale: a new instrument for assessing sleep and nocturnal disability in Parkinson\u2019s disease","volume":"73","author":"KR Chaudhuri","year":"2002","journal-title":"J Neurol Neurosurg Psychiatry"},{"key":"ref2","doi-asserted-by":"crossref","first-page":"317","DOI":"10.1016\/j.parkreldis.2005.02.006","article-title":"Clinical usefulness of the Parkinson\u2019s disease sleep scale","volume":"11","author":"W Tse","year":"2005","journal-title":"Parkinsonism Relat Disord"},{"key":"ref3","doi-asserted-by":"crossref","first-page":"644","DOI":"10.1002\/mds.23476","article-title":"Parkinson\u2019s disease sleep scale-validation of the revised version PDSS-2","volume":"26","author":"C Trenkwalder","year":"2011","journal-title":"Mov Disord"},{"key":"ref4","doi-asserted-by":"crossref","first-page":"858","DOI":"10.1002\/mds.25003","article-title":"Psychosis in Parkinson\u2019s disease without dementia: common and comorbid with other non-motor symptoms","volume":"27","author":"AH Lee","year":"2012","journal-title":"Mov Disord"},{"key":"ref5","doi-asserted-by":"crossref","first-page":"105","DOI":"10.1111\/j.1468-1331.2011.03442.x","article-title":"Improvements in nocturnal symptoms with ropinirole prolonged release in patients with advanced Parkinson\u2019s disease","volume":"19","author":"KR Chaudhuri","year":"2012","journal-title":"Eur J Neurol"},{"key":"ref6","doi-asserted-by":"crossref","first-page":"1468","DOI":"10.1002\/mds.22596","article-title":"Intrajejunal levodopa infusion in Parkinson\u2019s disease: a pilot multicenter study of effects on nonmotor symptoms and quality of life","volume":"24","author":"H Honig","year":"2009","journal-title":"Mov Disord"},{"key":"ref7","doi-asserted-by":"crossref","first-page":"19","DOI":"10.1007\/s11136-007-9183-7","article-title":"The role of the bifactor model in resolving dimensionality issues in health outcomes measures","volume":"16","author":"SP Reise","year":"2007","journal-title":"Qual Life Res"},{"key":"ref8","doi-asserted-by":"crossref","first-page":"629","DOI":"10.1136\/jnnp.73.6.629","article-title":"The Parkinson\u2019s disease sleep scale: A new instrument for assessment of sleep, nocturnal disability and daytime sleepiness in Parkinson\u2019s disease","volume":"73","author":"KR Chaudhuri","year":"2002","journal-title":"J Neurol Neurosurg Psychiatry"},{"key":"ref9","doi-asserted-by":"crossref","first-page":"63","DOI":"10.1007\/s41105-015-0024-8","article-title":"Independent validation of Parkinson\u2019s disease Sleep Scale 2nd version (PDSS-2)","volume":"14","author":"N Kov\u00e1cs","year":"2016","journal-title":"Sleep Biol Rhythms"},{"key":"ref10","doi-asserted-by":"crossref","first-page":"2695","DOI":"10.1002\/mds.23388","article-title":"Gender differences in Parkinson\u2019s disease: Clinical characteristics and cognition","volume":"25","author":"IN Miller","year":"2010","journal-title":"Mov Disord"},{"key":"ref11","first-page":"1","article-title":"A Bifactor Exploratory Structural Equation Modeling Framework for the Identification of Distinct Sources of Construct-Relevant Psychometric Multidimensionality","volume":"5511","author":"AJS Morin","year":"2015","journal-title":"Struct Equ Model A Multidiscip J"},{"key":"ref12","unstructured":"Vorderwuelbecke, B. J. Breuer E, Kretz R, Grosse P. Is sleep related breathing disorder associated with REM sleep behavioural disorder in patients with idiopathic Parkinson\u2019s disease? 22nd Congress European Sleep Research Society. Tallinn; 2014. p. 2649."},{"key":"ref13","doi-asserted-by":"crossref","first-page":"247","DOI":"10.1212\/01.wnl.0000168864.97813.e0","article-title":"Characteristics of idiopathic REM sleep behavior disorder and that associated with MSA and PD","volume":"65","author":"A Iranzo","year":"2005","journal-title":"Neurology"},{"key":"ref14","doi-asserted-by":"crossref","first-page":"137","DOI":"10.1017\/S1355617715000041","article-title":"Retrospective Assessment of Movement Disorder Society Criteria for Mild Cognitive Impairment in Parkinson\u2019s Disease","volume":"21","author":"AM Loftus","year":"2015","journal-title":"J Int Neuropsychol Soc"},{"key":"ref15","doi-asserted-by":"crossref","first-page":"181","DOI":"10.1136\/jnnp.55.3.181","article-title":"Accuracy of clinical diagnosis of idiopathic Parkinson\u2019s disease: a clinico-pathological study of 100 cases","volume":"55","author":"AJ Hughes","year":"1992","journal-title":"J Neurol Neurosurg Psychiatry"},{"key":"ref16","doi-asserted-by":"crossref","first-page":"880","DOI":"10.1037\/0022-3514.93.5.880","article-title":"Between facets and domains: 10 aspects of the Big Five","volume":"93","author":"CG DeYoung","year":"2007","journal-title":"J Pers Soc Psychol"},{"key":"ref17","doi-asserted-by":"crossref","first-page":"227","DOI":"10.1348\/014466505X29657","article-title":"The short-form version of the Depression Anxiety Stress Scales (DASS-21): construct validity and normative data in a large non-clinical sample","volume":"44","author":"JD Henry","year":"2005","journal-title":"Br J Clin Psychol"},{"article-title":"Structural Equation Modelling: Applications Using Mplus","year":"2012","author":"J Wang","key":"ref18"},{"key":"ref19","unstructured":"Lee I, Preacher K. Calculation for the test of the difference between two dependant correlations with one variable in common [Internet]. 2013. <ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"http:\/\/quantpsy.org\" xlink:type=\"simple\">http:\/\/quantpsy.org<\/ext-link>"},{"key":"ref20","doi-asserted-by":"crossref","first-page":"90","DOI":"10.1002\/mds.23441","article-title":"Rotigotine effects on early morning motor function and sleep in Parkinson\u2019s disease: A double-blind, randomized, placebo-controlled study (RECOVER)","volume":"26","author":"C Trenkwalder","year":"2011","journal-title":"Mov Disord"},{"key":"ref21","doi-asserted-by":"crossref","first-page":"670","DOI":"10.1016\/j.parkreldis.2009.02.012","article-title":"Sleep disturbances in Malaysian patients with Parkinson\u2019s disease using polysomnography and PDSS","volume":"15","author":"MI Norlinah","year":"2009","journal-title":"Parkinsonism Relat Disord. Elsevier Ltd"},{"key":"ref22","doi-asserted-by":"crossref","first-page":"1575","DOI":"10.1111\/j.1468-1331.2012.03791.x","article-title":"Subjective sleep problems in patients with early Parkinson\u2019s disease","volume":"19","author":"S Stefansdottir","year":"2012","journal-title":"Eur J Neurol"},{"key":"ref23","doi-asserted-by":"crossref","first-page":"1119","DOI":"10.5664\/jcsm.3148","article-title":"Effects of Sleep Disorders on the Non-Motor Symptoms of Parkinson Disease","volume":"9","author":"AB Neikrug","year":"2013","journal-title":"J Clin Sleep Med"},{"key":"ref24","doi-asserted-by":"crossref","first-page":"158","DOI":"10.1016\/j.jns.2006.05.004","article-title":"The range and nature of sleep dysfunction in untreated Parkinson\u2019s disease (PD). A comparative controlled clinical study using the Parkinson\u2019s disease sleep scale and selective polysomnography","volume":"248","author":"V Dhawan","year":"2006","journal-title":"J Neurol Sci"},{"key":"ref25","doi-asserted-by":"crossref","first-page":"459","DOI":"10.1093\/sleep\/33.4.459","article-title":"Insomnia with objective short sleep duration is associated with deficits in neuropsychological performance: a general population study","volume":"33","author":"J Fernandez-Mendoza","year":"2010","journal-title":"Sleep"},{"key":"ref26","doi-asserted-by":"crossref","first-page":"131","DOI":"10.1177\/0891988709358591","article-title":"Sleep disturbances in Parkinson disease and their potential role in heterogeneity","volume":"23","author":"DG Gunn","year":"2010","journal-title":"J Geriatr Psychiatry Neurol"},{"key":"ref27","doi-asserted-by":"crossref","first-page":"2105","DOI":"10.1002\/mds.23230","article-title":"Anxious Personality Predicts an Increased Risk of Parkinson\u2019s Disease","volume":"25","author":"JH Bower","year":"2010","journal-title":"Mov Disord"},{"key":"ref28","doi-asserted-by":"crossref","first-page":"209","DOI":"10.1016\/0006-3223(95)00659-1","article-title":"Subjective and psychophysiologic insomnia: An examination of sleep tendency and personality","volume":"41","author":"CM Dorsey","year":"1997","journal-title":"Biol Psychiatry"},{"key":"ref29","doi-asserted-by":"crossref","first-page":"1681","DOI":"10.1002\/mds.22110","article-title":"SCOPA-sleep and PDSS: two scales for assessment of sleep disorder in Parkinson\u2019s disease","volume":"23","author":"P Martinez-Martin","year":"2008","journal-title":"Mov Disord"},{"key":"ref30","doi-asserted-by":"crossref","first-page":"279","DOI":"10.1080\/10673220802432210","article-title":"Sleep in the elderly: normal variations and common sleep disorders","volume":"16","author":"S Ancoli-Israel","year":"2008","journal-title":"Harv Rev Psychiatry"},{"key":"ref31","doi-asserted-by":"crossref","first-page":"1255","DOI":"10.1093\/sleep\/27.7.1255","article-title":"Meta-analysis of quantitative sleep parameters from childhood to old age in healthy individuals: developing normative sleep values across the human lifespan","volume":"27","author":"MM Ohayon","year":"2004","journal-title":"Sleep"},{"key":"ref32","doi-asserted-by":"crossref","first-page":"783","DOI":"10.1016\/S0272-7358(99)00063-X","article-title":"Assessment and treatment of sleep disturbances in older adults","volume":"20","author":"J Martin","year":"2000","journal-title":"Clin Psychol Rev"},{"key":"ref33","doi-asserted-by":"crossref","first-page":"969","DOI":"10.1002\/mds.23116","article-title":"The identification of Parkinson\u2019s disease subtypes using cluster analysis: A systematic review","volume":"25","author":"SM van Rooden","year":"2010","journal-title":"Mov Disord"},{"key":"ref34","doi-asserted-by":"crossref","first-page":"35","DOI":"10.1002\/mds.21727","article-title":"Nighttime sleep problems and daytime sleepiness in Parkinson\u2019s disease","volume":"23","author":"D Verbaan","year":"2008","journal-title":"Mov Disord"},{"key":"ref35","doi-asserted-by":"crossref","first-page":"481","DOI":"10.1016\/j.smrv.2007.11.003","article-title":"Gender differences in obstructive sleep apnea and treatment implications","volume":"12","author":"CM Lin","year":"2008","journal-title":"Sleep Med Rev. Elsevier Ltd"},{"issue":"Pt 2","key":"ref36","doi-asserted-by":"crossref","first-page":"331","DOI":"10.1093\/brain\/123.2.331","article-title":"Rapid eye movement sleep behaviour disorder: demographic, clinical and laboratory findings in 93 cases","volume":"123","author":"EJ Olson","year":"2000","journal-title":"Brain"},{"key":"ref37","doi-asserted-by":"crossref","first-page":"1178","DOI":"10.1016\/j.sleep.2012.06.009","article-title":"Age, drugs, or disease: What alters the macrostructure of sleep in Parkinson\u2019s disease?","volume":"13","author":"F Sixel-D\u00f6ring","year":"2012","journal-title":"Sleep Med"}],"container-title":["PLOS ONE"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/dx.plos.org\/10.1371\/journal.pone.0192394","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,10,28]],"date-time":"2020-10-28T02:25:09Z","timestamp":1603851909000},"score":1,"resource":{"primary":{"URL":"https:\/\/dx.plos.org\/10.1371\/journal.pone.0192394"}},"subtitle":[],"editor":[{"given":"Gilles","family":"van Luijtelaar","sequence":"first","affiliation":[],"role":[{"role":"editor","vocabulary":"crossref"}]}],"short-title":[],"issued":{"date-parts":[[2018,2,12]]},"references-count":37,"journal-issue":{"issue":"2","published-online":{"date-parts":[[2018,2,12]]}},"URL":"https:\/\/doi.org\/10.1371\/journal.pone.0192394","relation":{},"ISSN":["1932-6203"],"issn-type":[{"type":"electronic","value":"1932-6203"}],"subject":[],"published":{"date-parts":[[2018,2,12]]}}}