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01-11-2014 | Uitgave 9/2014

Quality of Life Research 9/2014

Change and predictors of quality of life in institutionalized older adults with dementia

Quality of Life Research > Uitgave 9/2014
Emilia Castro-Monteiro, Maria João Forjaz, Alba Ayala, Carmen Rodriguez-Blazquez, Gloria Fernandez-Mayoralas, Alicia Diaz-Redondo, Pablo Martinez-Martin
Belangrijke opmerkingen
On behalf of the Spanish Research Group on Quality of Life and Aging.



This study aims to assess the change in and predictive factors of the quality of life (QoL) of institutionalized older adults with dementia over a 20-month period.


Information was used from a follow-up study conducted over an average period of 19.61 ± 1.93 months on a sample of 274 institutionalized older adults aged 60 or over, diagnosed with dementia. Two linear regression models were built to predict change in the EQ-5D index and the quality of life in Alzheimer’s disease (QOL-AD) scale, taking as independent variables: sociodemographic characteristics and measures of functional ability (Barthel Index), depression in dementia (Cornell Scale), number of chronic health problems, cognitive level (MEC, the Spanish Mini-Mental State Examination) and severity of dementia (Clinical Dementia Rating) at baseline.


The majority of the participants were women (81.75 %) with an average age of 84.70 ± 6.51 years, single (78.15 %), with severe dementia and moderate functional dependence. There was a significant decrease on the EQ-5D, EQ-VAS and QOL-AD between baseline and follow-up scores. The main predictors of QoL of the institutionalized older adults with dementia were the number of chronic problems and baseline scores of the QoL measures.


A significant decrease in the QoL of institutionalized older adults was observed over a 20-month period. Results suggest that interventions aimed at reducing the number of chronic medical conditions may have a beneficial effect on older adults’ QoL.

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