Predictors of institutionalization in dementia: a three year longitudinal study

Henry Brodaty*, Michael H. Connors, Jing Xu, Michael Woodward, David Ames, PRIME study group

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

92 Citations (Scopus)


Patients with dementia often require institutionalization when they can no longer care for themselves. The study examined demographic and clinical variables that predict the time until institutionalization in patients with dementia attending memory clinics. Of 970 patients recruited from nine memory clinics around Australia, 779 patients had dementia at baseline. Measures of dementia severity, cognition, functional ability, neuropsychiatric symptoms, caregiver burden, and medication use were completed for all patients. Patients were followed for three years. Overall, 197 (25.3%) of the patients with dementia were institutionalized within three years. Lower cognitive ability, lower functional ability, and more neuropsychiatric symptoms at baseline predicted a shorter time until institutionalization, as did use of antipsychotic medication. In addition, greater deterioration in cognitive ability, functional ability, and neuropsychiatric symptoms over the initial three months predicted a shorter time to institutionalization. The findings confirm that clinical features of dementia at baseline predict the time to institutionalization, as do greater changes in symptoms over three months independent of baseline levels.

Original languageEnglish
Pages (from-to)221-226
Number of pages6
JournalJournal of Alzheimer's Disease
Issue number1
Publication statusPublished - 2014
Externally publishedYes


  • Alzheimer's disease
  • dementia
  • institutionalization
  • longitudinal
  • nursing home
  • survival analysis


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