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Borroni B, Libri I, Rota M, Binetti G, Benussi L, Ghidoni R, Cotelli MS, Fostinelli S, Guerini F, Boffelli S, Magni E, Pengo M, Gennuso M, Bianchi M, Cossu B, Palomba V, Crucitti A, Bianchetti A, Logroscino G, Padovani A. Incidence of young-onset dementia in Italy: The Brescia register study. ALZHEIMER'S & DEMENTIA (AMSTERDAM, NETHERLANDS) 2024; 16:e12544. [PMID: 38433744 PMCID: PMC10904882 DOI: 10.1002/dad2.12544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 12/22/2023] [Accepted: 01/02/2024] [Indexed: 03/05/2024]
Abstract
INTRODUCTION The goal of the present work was to assess the incidence of dementia with onset before the age of 65 years (i.e., young-onset dementia [YOD]) and define the frequencies of young-onset Alzheimer's disease (AD), frontotemporal lobar degeneration (FTLD), and dementia with Lewy bodies (DLB) in the general population. METHODS The study was conducted from January 1, 2019 to December 31, 2019 in Brescia province (population: 1,268,455). During the study period, all new YOD cases (incident YOD) were counted, and all patients' records reviewed. The incidence was standardized to the Italian general population in 2019. RESULTS A total of 29 YOD patients were diagnosed. The age-sex standardized incidence rate was 4.58 (95% confidence interval, 3.07-6.58) per 100,000 person-years. No difference in incidence rate between YOD due to AD or FTLD (P = 0.83) and between sexes (P = 0.81) was observed. YOD incidence increased with age, reaching its peak after 60 years. DISCUSSION Presenting neurodegenerative YOD phenotypes encompasses both AD and FTLD. Improved knowledge on YOD epidemiology is essential to adequately plan and organize health services.
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Affiliation(s)
- Barbara Borroni
- Department of Clinical and Experimental SciencesUniversity of BresciaBresciaItaly
- Department of Continuity of Care and FrialtyASST Spedali Civili BresciaBresciaItaly
| | - Ilenia Libri
- Department of Clinical and Experimental SciencesUniversity of BresciaBresciaItaly
| | - Matteo Rota
- Department of Molecular and Translational MedicineUniversity of BresciaBresciaItaly
| | - Giuliano Binetti
- Memory ClinicIRCCS Istituto Centro San Giovanni di Dio FatebenefratelliBresciaItaly
| | - Luisa Benussi
- Molecular Markers LaboratoryIRCCS Istituto Centro San Giovanni di Dio FatebenefratelliBresciaItaly
| | - Roberta Ghidoni
- Molecular Markers LaboratoryIRCCS Istituto Centro San Giovanni di Dio FatebenefratelliBresciaItaly
| | | | - Silvia Fostinelli
- Memory ClinicIRCCS Istituto Centro San Giovanni di Dio FatebenefratelliBresciaItaly
| | - Fabio Guerini
- Medicine and Rehabilitative Unit, Sant'Anna InstituteBresciaItaly
| | | | | | - Marta Pengo
- Neurology Unit, “Città di Brescia” HospitalBresciaItaly
| | | | | | | | | | | | | | - Giancarlo Logroscino
- Center for Neurodegenerative Diseases and the Aging BrainDepartment of Clinical Research in NeurologyUniversity of Bari “Aldo Moro”Pia Fondazione Cardinale G. PanicoTricaseLecceItaly
- Department of Basic Medical SciencesNeuroscience and Sense OrgansUniversity of Bari “Aldo Moro”BariItaly
| | - Alessandro Padovani
- Department of Clinical and Experimental SciencesUniversity of BresciaBresciaItaly
- Department of Continuity of Care and FrialtyASST Spedali Civili BresciaBresciaItaly
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Johnsen B, Martinaityte I, Wilsgaard T, Schirmer H. Incidence of dementia over a period of 20 years in a Norwegian population. ALZHEIMER'S & DEMENTIA (AMSTERDAM, NETHERLANDS) 2023; 15:e12479. [PMID: 37780861 PMCID: PMC10540268 DOI: 10.1002/dad2.12479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 08/08/2023] [Accepted: 08/22/2023] [Indexed: 10/03/2023]
Abstract
INTRODUCTION In Norway, the prevalence of dementia is higher than in demographically comparable, high income countries, but reliable incidence studies are lacking. This study calculated the incidence of age-specific dementia from 2000 to 2019. METHODS Participants from The Tromsø Study (n = 44,214) were included. Participants with a dementia diagnosis (n = 2049 cases) were identified. Poisson regression was used to calculate age-specific yearly and 5-year incidence rates from 2000 to 2019. RESULTS The incidence of dementia has decreased from 2000 to 2019. The trend was highly significant for ages of 60-99 years, and was similar for both sexes. DISCUSSION The incidence of dementia in North Norway has decreased over the past two decades similar to that in Western countries, indicating that the total prevalence is increasing due to an aging population. This decrease of incidence could introduce a reduction in future estimation of dementia prevalence.
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Affiliation(s)
- Bente Johnsen
- Department of Clinical MedicineUiT The Arctic University of NorwayTromsøNorway
- Department of Geriatric MedicineUniversity Hospital of North NorwayTromsøNorway
| | - Ieva Martinaityte
- Department of Clinical MedicineUiT The Arctic University of NorwayTromsøNorway
- Department of Geriatric MedicineUniversity Hospital of North NorwayTromsøNorway
| | - Tom Wilsgaard
- Department of Community MedicineUiT The Arctic University of NorwayTromsøNorway
| | - Henrik Schirmer
- Department of CardiologyAkershus University HospitalLørenskogNorway
- Institute of Clinical MedicineUniversity of OsloOsloNorway
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Fonseka L, Wang D, Ryan B, Cheung G, Ma’u E. Incidence of Young Onset Dementia in Waikato, New Zealand: A Population-Based Study. J Alzheimers Dis 2022; 90:1321-1327. [DOI: 10.3233/jad-220802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Background: There is limited epidemiological research on the incidence of young onset dementia (YOD). Estimates of YOD incidence in New Zealand are extrapolated from international studies that do not reflect New Zealand’s population and ethnic diversity. Objective: To determine the incidence of YOD in the geographical area served by the Waikato District Health Board Methods: All new inpatient and outpatient in the age range 30–64 years with a documented diagnosis of dementia at Waikato Hospital between 1 January 2014 –31 December 2016 were identified. Incidence rates were calculated by 5-year age-band, sex, and ethnicity. Results: 64 incident cases of YOD were included. Incidence rates for all cause YOD were 13.3 (95% CI 10.3–17.0) and 22.7 (95% CI 17.5–29.1) per 100,000 person-years in the age range 30–64 years and 45–64 years respectively. The incidence rate in Māori (20.0, 95% CI 11.4–32.4) was higher compared to non-Māori (12.0, 95% CI 8.9–15.9), but this difference was not statistically significant (p = 0.09). Conclusion: The incidence of YOD in this study is similar to global estimates. Incidence may be higher in Māori compared to non-Māori, highlighting the need for culturally appropriate approaches to dementia prevention, intervention, and care.
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Affiliation(s)
| | - David Wang
- Department of Medicine, University of Otago, DunedinNew Zealand
| | - Brigid Ryan
- Department of Anatomy and Medical Imaging, University of Auckland, Auckland, New Zealand
- Centre for Brain Research, Faculty of Medical and Health Science, University of Auckland, Auckland, New Zealand
| | - Gary Cheung
- Department of Psychological Medicine, School of Medicine, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Etuini Ma’u
- Department of Psychological Medicine, School of Medicine, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
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Liu B, Ornstein KA, Alpert N, Schwartz RM, Dharmarajan KV, Kelley AS, Taioli E. Trends of hospitalizations among patients with both cancer and dementia diagnoses in New York 2007-2017. HEALTHCARE (AMSTERDAM, NETHERLANDS) 2021; 9:100565. [PMID: 34252707 PMCID: PMC8453053 DOI: 10.1016/j.hjdsi.2021.100565] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 05/25/2021] [Accepted: 07/05/2021] [Indexed: 01/22/2023]
Abstract
BACKGROUND Cancer and dementia have often been studied in isolation. We aimed to examine the spatiotemporal trend of inpatient admissions with both cancer and dementia diagnoses. METHODS Using state-wide inpatient claims data, we identified all hospital admissions for patients aged ≥50 years with both cancer and dementia diagnoses in New York State, 2007-2017. We examined the spatiotemporal trend of the admission using a novel Bayesian hierarchical model adjusting for socioeconomic factor, as measured by Yost index. RESULTS Admissions with the presence of both cancer and dementia diagnoses represented 8.5% of all admissions with a cancer diagnosis, and the proportion increased from 7.1% in 2007 to 9.7% in 2017. The median admission rate was 3.5 (interquartile range: 2.2-5.2) hospitalizations per 1000 population aged ≥50 years, which increased from 2.9 in 2007 to 3.7 in 2017. The admission rate peaked first in 2010 followed by a smaller peak in 2014, before stabilizing at a level higher than the pre-2010 period. Taking into account the spatiotemporal heterogeneity, we found that hospitalizations among those with both cancer and dementia diagnoses were associated with a higher socioeconomic status (the posterior median relative risk for Yost index = 1.046 (95% credible interval: 1.033-1.058)). CONCLUSIONS Hospitalizations of patients with both cancer and dementia increased over time. Cancer care providers and healthcare systems should be prepared to provide prevention and management strategies and engage in complex medical decision-making for this increasingly common patient population comprised of individuals with cancer and dementia.
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Affiliation(s)
- Bian Liu
- Department of Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Institute for Translational Epidemiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | - Katherine A Ornstein
- Institute for Translational Epidemiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Department of Geriatrics and Palliative Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Naomi Alpert
- Department of Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Institute for Translational Epidemiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Rebecca M Schwartz
- Department of Occupational Medicine, Epidemiology and Prevention, Zucker School of Medicine at Hofstra/Northwell, Great Neck, NY, USA
| | - Kavita V Dharmarajan
- Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Amy S Kelley
- Department of Geriatrics and Palliative Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Emanuela Taioli
- Department of Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Institute for Translational Epidemiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
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Carcaillon-Bentata L, Quintin C, Boussac-Zarebska M, Elbaz A. Prevalence and incidence of young onset dementia and associations with comorbidities: A study of data from the French national health data system. PLoS Med 2021; 18:e1003801. [PMID: 34555025 PMCID: PMC8496799 DOI: 10.1371/journal.pmed.1003801] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 10/07/2021] [Accepted: 09/08/2021] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Dementia onset in those aged <65 years (young onset dementia, YOD) has dramatic individual and societal consequences. In the context of population aging, data on YOD are of major importance to anticipate needs for planning and allocation of health and social resources. Few studies have provided precise frequency estimates of YOD. The aim of this study is to provide YOD prevalence and incidence estimates in France and to study the contribution of comorbidities to YOD incidence. METHODS AND FINDINGS Using data from the French national health data system (Système National des Données de Santé, SNDS) for 76% of the French population aged 40 to 64 years in 2016 (n = 16,665,795), we identified all persons with dementia based on at least 1 of 3 criteria: anti-Alzheimer drugs claims, hospitalization with the International Classification of Diseases-10th Revision (ICD-10) dementia codes (F00 to F03, G30, G31.0, G31.1, or F05.1), or registration for free healthcare for dementia. We estimated prevalence rate (PR) and incidence rate (IR) and estimated the association of comorbidities with incident YOD. Sex differences were investigated. We identified 18,466 (PRstandardized = 109.7/100,000) and 4,074 incident (IRstandardized = 24.4/100,000 person-years) persons with prevalent and incident YOD, respectively. PR and IR sharply increased with age. Age-adjusted PR and IR were 33% (95% confidence interval (CI) = 29 to 37) and 39% (95% CI = 31 to 48) higher in men than women (p < 0.001 both for PR and IR). Cardio- and cerebrovascular, neurological, psychiatric diseases, and traumatic brain injury prevalence were associated with incident YOD (age- and sex-adjusted p-values <0.001 for all comorbidities examined, except p = 0.109 for antihypertensive drug therapy). Adjustment for all comorbidities explained more than 55% of the sex difference in YOD incidence. The lack of information regarding dementia subtypes is the main limitation of this study. CONCLUSIONS We estimated that there were approximately 24,000 and approximately 5,300 persons with prevalent and incident YOD, respectively, in France in 2016. The higher YOD frequency in men may be partly explained by higher prevalence of cardiovascular and neurovascular diseases, substance abuse disorders, and traumatic brain injury and warrants further investigation.
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Affiliation(s)
| | | | | | - Alexis Elbaz
- Santé publique France, Saint-Maurice, France
- Université Paris-Saclay, Univ. Paris-Sud, UVSQ, CESP, Inserm, Villejuif, France
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Kvello-Alme M, Bråthen G, White LR, Sando SB. Time to Diagnosis in Young Onset Alzheimer's Disease: A Population-Based Study from Central Norway. J Alzheimers Dis 2021; 82:965-974. [PMID: 34120901 PMCID: PMC8461696 DOI: 10.3233/jad-210090] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Background: Young onset dementia is associated with a longer time to diagnosis compared to late onset dementia. Earlier publications have indicated that atypical presentation is a key contributing factor to the diagnostic delay. Our hypothesis was that even the most common presentation of Alzheimer’s disease is associated with a substantial diagnostic delay in patients < 65 years. Objective: To determine the time to diagnosis, and time lags in the diagnostic pathway in typical young onset Alzheimer’s disease in central Norway. Methods: The main sources of patients were the databases at the Department of Neurology, University Hospital of Trondheim (St. Olav’s Hospital), and Department of Psychiatry, Levanger Hospital. Other sources included key persons in the communities, collaborating hospital departments examining patients with suspected cognitive impairment, and review of hospital records of all three hospitals in the area. Information on the time lags, and the clinical assessment, including the use of biomarkers, was collected from hospital notes. Caregivers were interviewed by telephone. Results: Time from first symptom to diagnosis in typical young onset Alzheimer’s disease was 5.5 years (n = 223, SD 2.8). Time from onset to contact with healthcare services (usually a general practitioner) was 3.4 years (SD 2.3). Time from contact with healthcare services to the first visit at a hospital was 10.3 months (SD 15.5). Time from first visit at a hospital to diagnosis was 14.8 months (SD 22.6). The analysis of cerebrospinal fluid core biomarkers was performed after 8.3 months (SD 20.9). Conclusion: Typical Alzheimer’s disease is associated with a substantial diagnostic delay in younger patients. Raising public awareness, and education of healthcare professionals on the aspects of young onset Alzheimer’s disease is warranted. CSF core biomarkers should be performed earlier in the hospital evaluation process.
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Affiliation(s)
- Marte Kvello-Alme
- Department of Neuromedicine and Movement Science (INB), Faculty of Medicine and Health Sciences, NTNU, Trondheim, Norway.,Department of Psychiatry, Nord-Trøndelag Hospital Trust, Levanger Hospital, Levanger, Norway
| | - Geir Bråthen
- Department of Neuromedicine and Movement Science (INB), Faculty of Medicine and Health Sciences, NTNU, Trondheim, Norway.,Department of Neurology and Clinical Neurophysiology, University Hospital of Trondheim, Trondheim, Norway
| | - Linda R White
- Department of Neuromedicine and Movement Science (INB), Faculty of Medicine and Health Sciences, NTNU, Trondheim, Norway
| | - Sigrid Botne Sando
- Department of Neuromedicine and Movement Science (INB), Faculty of Medicine and Health Sciences, NTNU, Trondheim, Norway.,Department of Neurology and Clinical Neurophysiology, University Hospital of Trondheim, Trondheim, Norway
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Knopman DS. Young-Onset Dementia-New Insights for an Underappreciated Problem. JAMA Neurol 2021; 78:1055-1056. [PMID: 34279580 DOI: 10.1001/jamaneurol.2021.1760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Awata S, Edahiro A, Arai T, Ikeda M, Ikeuchi T, Kawakatsu S, Konagaya Y, Miyanaga K, Ota H, Suzuki K, Tanimukai S, Utsumi K, Kakuma T. Prevalence and subtype distribution of early-onset dementia in Japan. Psychogeriatrics 2020; 20:817-823. [PMID: 32815229 DOI: 10.1111/psyg.12596] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 07/19/2020] [Accepted: 07/20/2020] [Indexed: 01/28/2023]
Abstract
AIM People living with early-onset dementia (EOD) have specific social needs. Epidemiological studies are needed to obtain current information and provide appropriate service planning. This study aimed to clarify the current prevalence and subtype distribution of EOD, as well as the services frequently used by individuals with EOD. METHODS A multisite, population-based, two-step study was conducted. Questionnaires were sent to 26 416 candidate facilities in 12 areas with a target population of 11 630 322 to inquire whether any individuals with EOD had sought services or stayed during the last 12 months (step 1). When "yes" responses were received, additional questionnaires were sent to the facilities both to complete and to distribute to the target individuals with EOD to obtain more detailed information, including the dementia subtype (step 2). RESULTS In step 1, valid responses were obtained from 16 848 facilities (63.8%), and 4077 cases were identified. In step 2, detailed information was obtained for 1614 cases (39.6%) from the facilities and 530 cases (13.0%) from the individuals. The national EOD prevalence rate was estimated to be 50.9/100 000 population at risk (95% confidence interval: 43.9-57.9; age range, 18-64 years). The number of individuals with EOD was estimated to be 35 700 as of 2018. Alzheimer-type dementia (52.6%) was the most frequent subtype, followed by vascular dementia (17.1%), frontotemporal dementia (9.4%), dementia due to traumatic brain injury (4.2%), dementia with Lewy bodies/Parkinson's disease dementia (4.1%), and dementia due to alcohol-related disorders (2.8%). Individuals with EOD were most frequently identified at medical centers for dementia. CONCLUSION The prevalence rate estimated in this study was comparable to those in previous studies in Japan. However, the subtype distribution differed, with Alzheimer-type dementia being the most prominent. Based on the case identification frequencies, medical centers for dementia are expected to continue to function as the primary special health service by providing quality diagnosis and post-diagnostic support for individuals with EOD.
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Affiliation(s)
- Shuichi Awata
- Research Team for Promoting Independence and Mental Health, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Ayako Edahiro
- Research Team for Promoting Independence and Mental Health, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Tetsuaki Arai
- Department of Psychiatry, Division of Clinical Medicine, University of Tsukuba, Tsukuba, Japan
| | - Manabu Ikeda
- Department of Psychiatry, Osaka University Graduate School of Medicine, Suita, Japan
| | - Takeshi Ikeuchi
- Department of Molecular Genetics, Brain Research Institute, Niigata University, Niigata, Japan
| | - Shinobu Kawakatsu
- Department of Neuropsychiatry, Aizu Medical Center, Fukushima Medical University, Aizu, Japan
| | - Yoko Konagaya
- Division of Research, Obu Dementia Care and Training Center, Obu, Japan
| | | | - Hidetaka Ota
- Advanced Research Center for Geriatric and Gerontology, Akita University, Akita, Japan
| | - Kyoko Suzuki
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University School of Medicine, Sendai, Japan
| | - Satoshi Tanimukai
- Department of Comprehensive Community Care for Elderly, Nursing and Health Science, Graduate School of Medicine, Ehime University, Toon, Japan
| | - Kumiko Utsumi
- Department of Psychiatry, Sunagawa City Medical Center, Sunagawa, Japan
| | - Tatsuyuki Kakuma
- Biostatistics Center, Kurume University School of Medicine, Kurume, Japan
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Edahiro A, Miyamae F, Taga T, Sugiyama M, Kikuchi K, Okamura T, Awata S. Incidence and distribution of subtypes of early‐onset dementia in Japan: A nationwide analysis based on annual performance reports of the Medical Centers for Dementia. Geriatr Gerontol Int 2020; 20:1050-1055. [DOI: 10.1111/ggi.14043] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 08/28/2020] [Accepted: 08/31/2020] [Indexed: 12/13/2022]
Affiliation(s)
- Ayako Edahiro
- Research Team for Promoting Independence and Mental Health, Tokyo Metropolitan Institute of Gerontology Tokyo Japan
| | - Fumiko Miyamae
- Research Team for Promoting Independence and Mental Health, Tokyo Metropolitan Institute of Gerontology Tokyo Japan
| | - Tsutomu Taga
- Research Team for Promoting Independence and Mental Health, Tokyo Metropolitan Institute of Gerontology Tokyo Japan
| | - Mika Sugiyama
- Research Team for Promoting Independence and Mental Health, Tokyo Metropolitan Institute of Gerontology Tokyo Japan
| | - Kazunori Kikuchi
- Research Team for Human Care, Tokyo Metropolitan Institute of Gerontology Tokyo Japan
| | - Tsuyoshi Okamura
- Research Team for Promoting Independence and Mental Health, Tokyo Metropolitan Institute of Gerontology Tokyo Japan
| | - Shuichi Awata
- Research Team for Promoting Independence and Mental Health, Tokyo Metropolitan Institute of Gerontology Tokyo Japan
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