The relationship of longitudinal cognitive change to self-reported IADL in a general population

Jesse S. Passler, Richard E. Kennedy, Olivio J. Clay, Michael Crowe, Virginia J. Howard, Mary Cushman, Frederick Unverzagt, Virginia G. Wadley

Research output: Contribution to journalArticle

Abstract

This study examined the relationship between cognitive change and instrumental activities of daily living (IADL) in a large, national, population-based sample. Cognitive change was assessed via verbal fluency, word list learning (WLL), and word list delayed recall (WLD). Incident cognitive impairment was defined by change in Six-Item Screener (SIS) status over a period of 10 years. Impaired IADL was defined as self-reported difficulty or needing assistance performing any IADL at Year 10. A one-word decrease in WLL over a 10-year span increased the odds of impaired IADL by 16% (95% CI 1.08–1.24) and incident cognitive impairment increased the odds of impaired IADL by 59% (95% CI 1.36–1.85) when adjusting for demographic factors, health-related behaviors, vascular risk factors and disease, and depressive symptoms. Cognitive change most strongly predicted impairment in managing finances (OR 2.47, 95% CI 2.04–3.00) and driving (OR 2.06, 95% CI 1.73–2.44).

Original languageEnglish (US)
JournalAging, Neuropsychology, and Cognition
DOIs
StatePublished - Jan 1 2019

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Activities of Daily Living
Population
Learning
Vascular Diseases
Demography
Depression
Health
Cognitive Dysfunction

Keywords

  • Cognitive aging
  • depression
  • instrumental activities of daily living
  • longitudinal studies
  • stroke

ASJC Scopus subject areas

  • Neuropsychology and Physiological Psychology
  • Experimental and Cognitive Psychology
  • Geriatrics and Gerontology
  • Psychiatry and Mental health

Cite this

The relationship of longitudinal cognitive change to self-reported IADL in a general population. / Passler, Jesse S.; Kennedy, Richard E.; Clay, Olivio J.; Crowe, Michael; Howard, Virginia J.; Cushman, Mary; Unverzagt, Frederick; Wadley, Virginia G.

In: Aging, Neuropsychology, and Cognition, 01.01.2019.

Research output: Contribution to journalArticle

Passler, Jesse S. ; Kennedy, Richard E. ; Clay, Olivio J. ; Crowe, Michael ; Howard, Virginia J. ; Cushman, Mary ; Unverzagt, Frederick ; Wadley, Virginia G. / The relationship of longitudinal cognitive change to self-reported IADL in a general population. In: Aging, Neuropsychology, and Cognition. 2019.
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