Journal
AGING CLINICAL AND EXPERIMENTAL RESEARCH
Volume 22, Issue 1, Pages 54-62Publisher
SPRINGER
DOI: 10.1007/BF03324816
Keywords
Comorbidity; disability; frailty; prevalence
Categories
Funding
- National Medical Research Fellowship of Singapore
- Canadian Health Services Research Foundation (CHSRF)
- Fonds de la Recherche en Sante du Quebec (FRSQ)
- Ministere de la Sante et des Services Sociaux du Quebec (MSSS)
- Canadian Institutes of Health Research (CIHR)
- CIHR
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Background and aims: The term frailty is used to describe older persons at high risk for adverse health outcomes. In 2001, Fried et al. proposed a now widely cited definition which suggests that frailty is a clinical entity related to, but distinct from, ADL disability and comorbidity. Frailty status was assessed based on the presence of any three of the following five characteristics: shrinking, weakness, poor endurance, slowness, and low activity. The objectives of the current study are to estimate the prevalence of frailty in a sample of community-dwelling older persons, to identify sociodemographic and health variables associated with frailty, and to examine the complex relationships between frailty and comorbidity, ADL disability and IADL disability. Methods: This study is based on cross-sectional analysis of 740 community-dwelling seniors from the Montreal Unmet Needs Study (MUNS). The five characteristics of frailty were operationalised using measures available in MUNS. The Cochran-Mantel-Haenszel test was used to identify variables associated with frailty. Overlaps between frailty, comorbidity and disability were assessed using proportions. Results: Overall, 7.4% were classified as frail, 49.7% prefrail and 42.8% non-frail. Frailty was associated with age, sex, income, education, number of chronic diseases, ADL disability, and IADL disability. Among those classified as frail, 29.1% had disabilities in ADLs, 92.7% in IADLs and 81.8% had comorbidity. Conclusion: Findings on the relationship between frailty and sociodemographic variables, morbidity and disability, support previous studies, providing further evidence that although frailty seems to be a distinct geriatric concept, it also overlaps with other concepts. (Aging Clin Exp Res 2010; 22: 54-62) (C) 2010, Editrice Kurtis
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