{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,7]],"date-time":"2026-10-07T04:00:40Z","timestamp":1791345640465,"version":"4.3.1"},"reference-count":24,"publisher":"Public Library of Science (PLoS)","issue":"2","license":[{"start":{"date-parts":[[2012,2,15]],"date-time":"2012-02-15T00:00:00Z","timestamp":1329264000000},"content-version":"unspecified","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.0031665","type":"journal-article","created":{"date-parts":[[2012,2,15]],"date-time":"2012-02-15T17:38:57Z","timestamp":1329327537000},"page":"e31665","update-policy":"https:\/\/doi.org\/10.1371\/journal.pone.corrections_policy","source":"Crossref","is-referenced-by-count":100,"title":["Losing the Ability in Activities of Daily Living in the Oldest Old: A Hierarchic Disability Scale from the Newcastle 85+ Study"],"prefix":"10.1371","volume":"7","author":[{"given":"Andrew","family":"Kingston","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joanna","family":"Collerton","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karen","family":"Davies","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"John","family":"Bond","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Louise","family":"Robinson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carol","family":"Jagger","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"340","published-online":{"date-parts":[[2012,2,15]]},"reference":[{"key":"ref1","doi-asserted-by":"crossref","first-page":"914","DOI":"10.1001\/jama.1963.03060120024016","article-title":"Studies of illness in the aged: the index of ADL, a standardised measure of biological and psychosocial function.","author":"S Katz","year":"1963","journal-title":"JAMA"},{"key":"ref2","doi-asserted-by":"crossref","first-page":"179","DOI":"10.1093\/geront\/9.3_Part_1.179","article-title":"Assessment of Older People: self maintaining and instrumental activities of dialy living.","volume":"9","author":"M Lawton","year":"1969","journal-title":"Gerontologist"},{"key":"ref3","doi-asserted-by":"crossref","first-page":"1299","DOI":"10.1016\/0895-4356(95)00043-7","article-title":"Hierarchical Structure in ADL and IADL: Analytical Assumptions and Applications for Clinicians and Researchers.","volume":"48","author":"GIJM Kempen","year":"1995","journal-title":"Journal of Clinical Epidemiology"},{"key":"ref4","doi-asserted-by":"crossref","first-page":"378","DOI":"10.2105\/AJPH.87.3.378","article-title":"Disability in Activities of Daily-Living: Patterns of Change and a Hierarchy of Disability.","volume":"87","author":"DD Dunlop","year":"1997","journal-title":"American Journal of Public Health"},{"key":"ref5","doi-asserted-by":"crossref","first-page":"286","DOI":"10.1093\/geront\/38.3.286","article-title":"Contstant Heirarchic Patterns of Physical Functioning Across Seven Populations in Five Countries.","volume":"38","author":"L Ferrucci","year":"1998","journal-title":"The Gerontologist"},{"key":"ref6","first-page":"167","article-title":"Exploring the Hierarchy of Mobility Performance in High-Functioning Older Women.","volume":"62A","author":"CO Weiss","year":"2007","journal-title":"Journal of Gerontology"},{"key":"ref7","doi-asserted-by":"crossref","first-page":"404","DOI":"10.1046\/j.1532-5415.2001.49083.x","article-title":"Patterns of onset of disability in activities of daily living with age.","volume":"49","author":"C Jagger","year":"2001","journal-title":"Journal of the American Geriatrics Society"},{"key":"ref8","article-title":"Sex differences in IADL in the Netherlands: Functional and Situational disability.","author":"DJH Deeg","year":"1993"},{"key":"ref9","article-title":"World Population Ageing: 1950\u20132050","year":"2002"},{"key":"ref10","doi-asserted-by":"crossref","first-page":"b4904","DOI":"10.1136\/bmj.b4904","article-title":"Health and disease in 85 year olds: baseline findings from the Newcastle 85+ cohort study.","volume":"339","author":"J Collerton","year":"2009","journal-title":"BMJ"},{"key":"ref11","doi-asserted-by":"crossref","first-page":"14","DOI":"10.1186\/1471-2318-7-14","article-title":"The Newcastle 85+ study: biological, clinical and psychosocial factors associated with healthy ageing: study protocol.","volume":"7","author":"J Collerton","year":"2007","journal-title":"BMC Geriatrics"},{"key":"ref12","doi-asserted-by":"crossref","first-page":"101","DOI":"10.1093\/geront\/38.1.101","article-title":"Conjugating the \u201cTenses\u201d of Function: Discordance Among Hypothetical, Experimental, and Enacted Function in Older Adults.","volume":"38","author":"TA Glass","year":"1998","journal-title":"The Gerontologist"},{"key":"ref13","doi-asserted-by":"crossref","first-page":"142","DOI":"10.1111\/j.1532-5415.1991.tb01616.x","article-title":"The timed \u201cup & go\u201d: a test of basic functional mobility for frail elderly persons.","volume":"39","author":"D Podsialdo","year":"1991","journal-title":"Journal of the American Geriatric Society"},{"key":"ref14","doi-asserted-by":"crossref","first-page":"315","DOI":"10.1093\/ageing\/32.3.315","article-title":"Identifying a cut-off point for normal mobility: a comparison of the timed \u2018up and go\u2019 test in community-dwelling and institutionalised elderly women.","volume":"32","author":"HA Bischoff","year":"2003","journal-title":"Age Ageing"},{"key":"ref15","doi-asserted-by":"crossref","first-page":"102","DOI":"10.1176\/ajp.148.1.102","article-title":"Reliability of a Standardized Mini-Mental State Examination compared with the traditional Mini-Mental State Examination.","volume":"148","author":"DW Molloy","year":"1991","journal-title":"Am J Psychiatry"},{"key":"ref16","doi-asserted-by":"crossref","first-page":"87","DOI":"10.1017\/S1041610297004754","article-title":"A Guide to the Standardized Mini-Mental State Examination.","volume":"9","author":"DW Molloy","year":"1997","journal-title":"International Psychogeriatrics"},{"key":"ref17","doi-asserted-by":"crossref","first-page":"659","DOI":"10.1002\/gps.930070907","article-title":"Screening for dementia\u2014a comparison of two tests using receiver operating characteristic (ROC) analysis.","volume":"7","author":"C Jagger","year":"1992","journal-title":"International Journal of Geriatric Psychiatry"},{"key":"ref18","author":"IT Jolliffe","year":"2002"},{"key":"ref19","doi-asserted-by":"crossref","first-page":"1065","DOI":"10.1002\/gps.1212","article-title":"Executive functioning in psychogeriatric patients: scalability and construct validity of the Behavioral Dyscontrol Scale (BDS).","author":"HFA Diesfeldt","year":"2004","journal-title":"International Journal of Geriatric Psychiatry"},{"key":"ref20","doi-asserted-by":"crossref","first-page":"225","DOI":"10.1111\/j.1600-0447.2004.00399.x","article-title":"The SCL-90 and SCL-90R versions validated by item response models in a Danish community sample.","volume":"110","author":"LR Olsen","year":"2004","journal-title":"Acta Psychiatrica Scandinavica"},{"key":"ref21","doi-asserted-by":"crossref","first-page":"572-","DOI":"10.1136\/bmj.314.7080.572","article-title":"Statistics notes: Cronbach's alpha.","volume":"314","author":"JM Bland","year":"1997","journal-title":"BMJ"},{"key":"ref22","doi-asserted-by":"crossref","first-page":"445","DOI":"10.1016\/S0277-9536(98)00370-0","article-title":"Risk factors for functional status decline in community-living elderly people: a systematic literature review.","volume":"48","author":"AE Stuck","year":"1999","journal-title":"Social Science & Medicine"},{"key":"ref23","doi-asserted-by":"crossref","first-page":"M638","DOI":"10.1093\/gerona\/56.10.M638","article-title":"The Hierarchy of Functional Loss Associated With Cognitive Decline in Older Persons.","volume":"56","author":"V Njegovan","year":"2001","journal-title":"J Gerontol A Biol Sci Med Sci"},{"key":"ref24","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/0277-9536(94)90294-1","article-title":"The disablement process.","volume":"38","author":"LM Verbrugge","year":"1994","journal-title":"Social Science & Medicine"}],"container-title":["PLoS ONE"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/dx.plos.org\/10.1371\/journal.pone.0031665","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2018,10,23]],"date-time":"2018-10-23T05:56:53Z","timestamp":1540274213000},"score":1,"resource":{"primary":{"URL":"https:\/\/dx.plos.org\/10.1371\/journal.pone.0031665"}},"subtitle":[],"editor":[{"given":"Ulrich","family":"Thiem","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"editor"}]}],"short-title":[],"issued":{"date-parts":[[2012,2,15]]},"references-count":24,"journal-issue":{"issue":"2","published-online":{"date-parts":[[2012,2,15]]}},"URL":"https:\/\/doi.org\/10.1371\/journal.pone.0031665","relation":{},"ISSN":["1932-6203"],"issn-type":[{"value":"1932-6203","type":"electronic"}],"subject":[],"published":{"date-parts":[[2012,2,15]]}}}