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Quality of life of institutionalized older adults by dementia severity

Published online by Cambridge University Press:  28 May 2015

Emilia Castro-Monteiro ,
Mohammed Alhayek-Aí ,
Alicia Diaz-Redondo ,
Alba Ayala ,
Carmen Rodriguez-Blazquez ,
Fermina Rojo-Perez ,
Pablo Martinez-Martin  and
Maria João Forjaz
Emilia Castro-Monteiro
Affiliation:
Preventive Medicine Service. Hospital Universitario12 de Octubre. Madrid, Spain
Mohammed Alhayek-Aí
Affiliation:
Preventive Medicine Service. Complexo Hospitalario Universitario de A Coruña. Sergas, A Coruña, Spain
Alicia Diaz-Redondo
Affiliation:
Preventive Medicine Service. Hospital General Universitario Gregorio Marañón. Madrid, Spain
Alba Ayala
Affiliation:
National School of Public Health, Carlos III Institute of Health and REDISSEC, Carlos III Institute of Health. Madrid, Spain
Carmen Rodriguez-Blazquez
Affiliation:
National Centre of Epidemiology, Carlos III Institute of Health and CIBERNED, Carlos III Institute of Health. Madrid, Spain
Fermina Rojo-Perez
Affiliation:
Institute of Economics, Geography and Demography. Centre for Human and Social Sciences. Spanish National Research Council. Madrid, Spain.
Pablo Martinez-Martin
Affiliation:
National Centre of Epidemiology, Carlos III Institute of Health and CIBERNED, Carlos III Institute of Health. Madrid, Spain
Maria João Forjaz*
Affiliation:
National School of Public Health, Carlos III Institute of Health and REDISSEC, Carlos III Institute of Health. Madrid, Spain
*
Correspondence should be addressed to: M. J. Forjaz, National School of Public Health and REDISSEC, Carlos III Institute of Health, Monforte de Lemos 5, 28029 Madrid, Spain. Phone: +34-91 822 2062; Fax: +34-91 387 7862. Email: [email protected].
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Abstract

Background:

The goal of the study was to analyze the factors associated with quality of life (QoL) in institutionalized older adults with dementia, based on self and proxy ratings, and if these characteristics differ by dementia severity.

Methods:

Cross-sectional study of 525 people with dementia (PwD) and their caregivers (professional or family caregivers). Two different QoL questionnaires, leading to three measures, were used: QoL in Alzheimer's disease scale (QOL-AD), self and proxy-rated, and QoL in late-stage dementia scale (QUALID), proxy-rated. Multivariate linear regression models were tested for each QoL measure and for mild/moderate and severe stages of dementia.

Results:

Multiple regression analyses showed a significant association between the three QoL measures and depression. Functional ability was significantly associated with QoL when assessed by proxy. Other factors such as education level, leisure activities and frequency of visits were significantly related with QOL-AD by proxy. The associated factors that differed by dementia severity were education level for moderate dementia, and frequency of visits and who answered the questionnaire (professional vs. family member) for severe dementia.

Conclusions:

QoL was consistently associated with depressive symptoms independently of the measures as well as functional ability and social leisure activities when the QoL questionnaire was rated by proxy. Treating depressive symptoms, increasing social activities and maintaining the functional ability may decrease the deterioration of QoL in institutionalized older adults with dementia.

Keywords

quality of lifedementiainstitutionalizedassociated factors
Type
Research Article
Information
International Psychogeriatrics , Volume 28 , Issue 1 , January 2016 , pp. 83 - 92
Copyright
Copyright © International Psychogeriatric Association 2015 

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