{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,10]],"date-time":"2026-11-10T12:21:31Z","timestamp":1794313291106,"version":"4.9.0"},"reference-count":60,"publisher":"SAGE Publications","issue":"1","license":[{"start":{"date-parts":[[2024,4,23]],"date-time":"2024-04-23T00:00:00Z","timestamp":1713830400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of Alzheimer\u2019s Disease"],"published-print":{"date-parts":[[2024,4,30]]},"abstract":"<jats:sec specific-use=\"heading-level-1\">\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>A timely diagnosis of dementia can be beneficial for providing good support, treatment, and care, but the diagnostic rate remains unknown and is probably low.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec specific-use=\"heading-level-1\">\n                    <jats:title>Objective:<\/jats:title>\n                    <jats:p>To determine the dementia diagnostic rate and to describe factors associated with diagnosed dementia.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec specific-use=\"heading-level-1\">\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>This registry linkage study linked information on research-based study diagnoses of all-cause dementia and subtypes of dementias, Alzheimer\u2019s disease, and related dementias, in 1,525 participants from a cross-sectional population-based study (HUNT4 70+) to dementia registry diagnoses in both primary-care and hospital registries. Factors associated with dementia were analyzed with multiple logistic regression.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec specific-use=\"heading-level-1\">\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>Among those with research-based dementia study diagnoses in HUNT4 70+, 35.6% had a dementia registry diagnosis in the health registries. The diagnostic rate in registry diagnoses was 19.8% among home-dwellers and 66.0% among nursing home residents. Of those with a study diagnosis of Alzheimer\u2019s disease, 35.8% (95% confidence interval (CI) 32.6\u201339.0) had a registry diagnosis; for those with a study diagnosis of vascular dementia, the rate was 25.8% (95% CI 19.2\u201333.3) and for Lewy body dementias and frontotemporal dementia, the diagnosis rate was 63.0% (95% CI 48.7\u201375.7) and 60.0% (95% CI 43.3\u201375.1), respectively. Factors associated with having a registry diagnosis included dementia in the family, not being in the youngest or oldest age group, higher education, more severe cognitive decline, and greater need for help with activities of daily living.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec specific-use=\"heading-level-1\">\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>Undiagnosed dementia is common, as only one-third of those with dementia are diagnosed. Diagnoses appear to be made at a late stage of dementia.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3233\/jad-240037","type":"journal-article","created":{"date-parts":[[2024,4,30]],"date-time":"2024-04-30T11:37:56Z","timestamp":1714477076000},"page":"363-375","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":22,"title":["Prevalence and Determinants of Diagnosed Dementia: A Registry Linkage Study Linking Diagnosis of Dementia in the Population-Based HUNT Study to Registry Diagnosis of Dementia in Primary Care and Hospitals in Norway"],"prefix":"10.1177","volume":"99","author":[{"given":"Linda","family":"Gj\u00f8ra","sequence":"first","affiliation":[{"name":"The Norwegian National Centre for Ageing and Health, Vestfold Hospital Trust, T\u00f8nsberg, Norway"},{"name":"Department of Psychiatry, Levanger Hospital, Nord-Tr\u00f8ndelag Hospital Trust, Levanger, Norway"},{"name":"Institute of Health and Society, Faculty of Medicine, University of Oslo, Oslo, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bj\u00f8rn Heine","family":"Strand","sequence":"additional","affiliation":[{"name":"The Norwegian National Centre for Ageing and Health, Vestfold Hospital Trust, T\u00f8nsberg, Norway"},{"name":"Department of Geriatric Medicine, Oslo University Hospital, Oslo, Norway"},{"name":"Department of Physical Health and Ageing, Norwegian institute of Public Health, Oslo, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sverre","family":"Bergh","sequence":"additional","affiliation":[{"name":"The Norwegian National Centre for Ageing and Health, Vestfold Hospital Trust, T\u00f8nsberg, Norway"},{"name":"Research Centre for Age-related Functional Decline and Disease, Innlandet Hospital Trust, Ottestad, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ingunn","family":"Bosnes","sequence":"additional","affiliation":[{"name":"Department of Psychiatry, Namsos Hospital, Nord-Tr\u00f8ndelag Hospital Trust, Namsos, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aud","family":"Johannessen","sequence":"additional","affiliation":[{"name":"The Norwegian National Centre for Ageing and Health, Vestfold Hospital Trust, T\u00f8nsberg, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gill","family":"Livingston","sequence":"additional","affiliation":[{"name":"Division of Psychiatry, University College London, London, UK"},{"name":"Camden and Islington NHS Foundation Trust, London, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"H\u00e5vard Kjesbu","family":"Skjellegrind","sequence":"additional","affiliation":[{"name":"Department of Public Health and Nursing, HUNT Research Centre, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, Trondheim, Norway"},{"name":"Levanger Hospital, Nord-Tr\u00f8ndelag Hospital Trust, Levanger, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Geir","family":"Selb\u00e6k","sequence":"additional","affiliation":[{"name":"The Norwegian National Centre for Ageing and Health, Vestfold Hospital Trust, T\u00f8nsberg, Norway"},{"name":"Department of Geriatric Medicine, Oslo University Hospital, Oslo, Norway"},{"name":"Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2024,4,23]]},"reference":[{"key":"e_1_3_6_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/S2468-2667(21)00249-8"},{"key":"e_1_3_6_3_2","doi-asserted-by":"publisher","DOI":"10.1186\/s12916-023-02896-6"},{"key":"e_1_3_6_4_2","unstructured":"VossiusC Selb\u00e6kG Ydsteb\u00f8AE BenthJS GodagerG Lur\u00e5sH BerghS (2015) Ressursbruk og sykdomsforl\u00f8p ved demens (REDIC) Alderspsykiatrisk forskningssenter Sykehuset Innlandet."},{"key":"e_1_3_6_5_2","unstructured":"World Health Organization A blueprint for dementia research https:\/\/www.who.int\/publications\/i\/item\/9789240058248 Last updated October 04 2022 Accessed on July 07 2023."},{"key":"e_1_3_6_6_2","unstructured":"SouthernA (2015) Diagnose or disempower? 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