Affiliation:
1. Neuropsychiatric Epidemiology Unit, Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry, Sahlgrenska Academy at the University of Gothenburg, Sweden
2. Centre for Ageing and Health (Age Cap) at the University of Gothenburg, Sweden
3. Region Västra Götaland, Sahlgrenska University Hospital, Psychiatry, Cognition and Old Age Psychiatry Clinic, Gothenburg, Sweden
Abstract
Abstract
Objective
Older adults make up the fastest growing segment of the population, and disability rates increase with age. There is much debate whether later born cohorts of 85-year-olds will face the same disability rates as earlier born cohorts. This study aimed to examine ADL and IADL disability in three birth cohorts of Swedish 85-year-olds born three decades apart, examined in 1986–87, 2008–10 and 2015-16, as well as potential factors associated with ADL and IADL disability in these birth-cohorts.
Methods
Systematically selected population-based birth cohorts of 85-year-olds (n = 1,551) from the Gothenburg H70 Birth Cohort studies, Sweden, born in 1901–02 (n = 494), 1923–24 (n = 571) and 1930 (n = 486) and examined with identical methods. Disability was defined as a need for assistance in any ADL/IADL activities.
Results
ADL/IADL disability decreased between cohorts in both men and women (from 76.7% in 1986–87, to 58.4% in 2008–10, and 48.4% in 2015–16, P-value trend <.001). Factors associated with ADL/IADL disability varied between cohorts, although dementia and depression increased the odds of disability in all three birth cohorts.
Conclusion
Later born cohorts of 85-year-olds face less ADL/IADL disability compared to earlier born cohorts. As disability poses a significant financial burden on healthcare services, our findings might contribute to a more positive view on global ageing and the demographic challenges ahead. However, it might also be that in later born cohorts, ADL/IADL disability affects people at later ages, but due to increased longevity, the total number of years in late-life with a functional disability will remain the same.
Funder
Alzheimerfonden
Konung Gustaf V:s och Drottning Victorias Frimurarestiftelse, Hjärnfonden
Swedish Research Council for Health, Working Life and Welfare
Swedish Research Council
Publisher
Oxford University Press (OUP)
Subject
Geriatrics and Gerontology,Ageing,General Medicine
Cited by
6 articles.
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