Social relationships and risk of dementia: a population-based study

International Psychogeriatrics
Daniel Eriksson SörmanLars-Göran Nilsson

Abstract

The objective was to examine whether aspects of social relationships in old age are associated with all-cause dementia and Alzheimer's disease (AD). We studied 1,715 older adults (≥ 65 years) who were dementia-free at baseline over a period of up to 16 years. Data on living status, contact/visit frequency, satisfaction with contact frequency, and having/not having a close friend were analyzed using Cox proportional hazards regressions with all-cause dementia or AD as the dependent variable. To control for reverse causality and to identify potential long-term effects, we additionally performed analyses with delayed entry. We identified 373 incident cases of dementia (207 with AD) during follow-up. The variable visiting/visits from friends was associated with reduced risk of all-cause dementia. Further, a higher value on the relationships index (sum of all variables) was associated with reduced risk of all-cause dementia and AD. However, in analyses with delayed entry, restricted to participants with a survival time of three years or more, none of the social relationship variables was associated with all-cause dementia or AD. The results indicate that certain aspects of social relationships are associated with incident dementia o...Continue Reading

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Citations

Nov 2, 2017·Journal of Epidemiology and Community Health·Tami SaitoKatsunori Kondo
Jul 11, 2019·International Journal of Environmental Research and Public Health·Seungwon JeongToshiyuki Ojima
Nov 30, 2019·The Journals of Gerontology. Series B, Psychological Sciences and Social Sciences·Sanna ReadEmily Grundy
Jul 11, 2020·Journal of Occupational and Environmental Medicine·Kazi Ishtiak-AhmedKirsten Nabe-Nielsen
Nov 20, 2018·Journal of Alzheimer's Disease : JAD·Ross PenninkilampiHenry Brodaty
Jul 1, 2019·Journal of Alzheimer's Disease : JAD·Kota TsutsumimotoIchiro Kawachi
May 27, 2017·Brain Sciences·Robert S Wilson, David A Bennett
Sep 6, 2020·Journal of Occupational and Environmental Medicine·Kazi Ishtiak-AhmedKirsten Nabe-Nielsen
Feb 8, 2021·Biological Psychiatry : Cognitive Neuroscience and Neuroimaging·Isabelle F van der VelpenMeike W Vernooij
Jan 7, 2021·The Journals of Gerontology. Series B, Psychological Sciences and Social Sciences·Minxia LuoDamaris Aschwanden
Jul 14, 2020·Ageing Research Reviews·Roopal DesaiGeorgina Charlesworth

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