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Limitations in physical functioning among older people as a predictor of subsequent disability in instrumental activities of daily living.

ABSTRACT: BACKGROUND:physical functioning describes the underlying abilities that make activities necessary for independent living in the community possible. OBJECTIVE:to test self-reported and objective measures of physical functioning in predicting subsequent disability in cooking, shopping and housework. DESIGN:we used data from the first and second waves of the Survey of Health, Ageing and Retirement in Europe. The respondents were asked about physical functioning (climbing, pulling/pushing, stooping/crouching/kneeling, lifting/carrying and reaching/extending were comparable) and they had their grip strength and walking speed measured. PARTICIPANTS:men and women aged 65 years or over who reported no disability in cooking, shopping and housework at baseline were included in the analysis. There were 6,841 individuals for whom data on disability status at follow-up were available. METHODS:Poisson regression was used to calculate relative risks for the associations between self-reported and objective measures of physical functioning with disability at 2 years, adjusting for age, gender, educational level, cognitive function and chronic conditions. RESULTS:those with limitations in physical functioning at baseline more frequently reported subsequent disability. Walking ability was most strongly associated with disability; climbing, pulling/pushing, lifting/carrying and reaching/extending were comparable (picking was non-significant). Similar results were obtained with grip strength and walking speed. CONCLUSIONS:both self-reports and objective measures capture information on the functional ability of older people that can be used to predict disability onset. Objective measures offer little to the development of intervention strategies, whereas self-reports provide some insight into the demands of the environment, being more amenable to interventions.

SUBMITTER: Seidel D

PROVIDER: S-EPMC3114622 | biostudies-literature | 2011 Jul

REPOSITORIES: biostudies-literature

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Limitations in physical functioning among older people as a predictor of subsequent disability in instrumental activities of daily living.

Seidel David D Brayne Carol C Jagger Carol C

Age and ageing 20110524 4

<h4>Background</h4>physical functioning describes the underlying abilities that make activities necessary for independent living in the community possible.<h4>Objective</h4>to test self-reported and objective measures of physical functioning in predicting subsequent disability in cooking, shopping and housework.<h4>Design</h4>we used data from the first and second waves of the Survey of Health, Ageing and Retirement in Europe. The respondents were asked about physical functioning (climbing, pull ...[more]

PMID: 21609999

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Project description:BackgroundLimitations in instrumental activities of daily living (IADL) hinder a person's ability to live independently in the community and self-manage their conditions, but its impact on hospital readmission has not been firmly established.ObjectiveTo test the importance of IADL dependency as a predictor of 30-day readmissions and quantify its impact relative to other morbidities.DesignA retrospective cohort study of the population-based Health and Retirement Study linked to Medicare claims data. Random forest was used to rank each predictor variable in terms of its ability to predict readmission. Classification and regression tree (CART) was used to identify complex multimorbidity combinations associated with high or low risk of readmission. Generalized linear regression was used to estimate the adjusted relative risk of readmission for IADL limitations.SubjectsHospitalizations of adults age 65 and older (n = 20,007), from 6617 unique subjects.Main measuresThe main outcome was 30-day all-cause unplanned readmission. The main predictor of interest was self-reported IADL limitation. Other key predictors were self-reported complex multimorbidity including chronic diseases, geriatric syndromes, and activities of daily living (ADL) limitations, along with demographic, socioeconomic, and behavioral factors.Key resultsThe overall 30-day readmission rate in the study was 16.4%. Random forest analysis ranked ADLs and IADL limitations as the two most important predictors of 30-day readmission. CART identified hospitalizations of patients with IADL limitations and diabetes as a subgroup at the highest risk of readmission (26% readmitted). Multivariable regression analyses showed that ADL limitations were associated with 1.17 (1.06-1.29) times higher risk of readmission even after adjusting for other patient covariates. Risk prediction was modest though for even the best model (AUC = 0.612).ConclusionsIADL limitations are key predictors of 30-day readmission as demonstrated using several machine learning methods. Routine assessment of functional abilities in hospital settings could help identify those most at risk.

Project description:Poor functional status is common after critical illness, and can adversely impact the abilities of intensive care unit (ICU) survivors to live independently. Instrumental activities of daily living (IADL), which encompass complex tasks necessary for independent living, are a particularly important component of post-ICU functional outcome.To conduct a systematic review of studies evaluating IADLs in survivors of critical illness.We searched PubMed, CINAHL, Cochrane Library, SCOPUS, and Web of Science for all relevant English-language studies published through December 31, 2016. Additional articles were identified from personal files and reference lists of eligible studies. Two trained researchers independently reviewed titles and abstracts, and potentially eligible full text studies. Eligible studies included those enrolling adult ICU survivors with IADL assessments, using a validated instrument. We excluded studies involving specific ICU patient populations, specialty ICUs, those enrolling fewer than 10 patients, and those that were not peer-reviewed. Variables related to IADLs were reported using the Patient Reported Outcomes Measurement Information System (PROMIS).Thirty of 991 articles from our literature search met inclusion criteria, and 23 additional articles were identified from review of reference lists and personal files. Sixteen studies (30%) published between 1999 and 2016 met eligibility criteria and were included in the review. Study definitions of impairment in IADLs were highly variable, as were reported rates of pre-ICU IADL dependencies (7-85% of patients). Eleven studies (69%) found that survivors of critical illness had new or worsening IADL dependencies. In three of four longitudinal studies, survivors with IADL dependencies decreased over the follow-up period. Across multiple studies, no risk factors were consistently associated with IADL dependency.Survivors of critical illness commonly experience new or worsening IADL dependency that may improve over time. As part of ongoing efforts to understand and improve functional status in ICU survivors, future research must focus on risk factors for IADL dependencies and interventions to improve these cognitive and physical dependencies after critical illness.

Project description:Cognitive impairment places older adults at high risk of functional disability in their daily-life activities, and thus affecting their quality of life. This study aimed to examine the effects of Tai Chi on general cognitive functions and instrumental activities of daily living (IADL) in community-dwelling older people with mild cognitive impairment (MCI) in Hong Kong.The study adopted a multi-site nonequivalent control-group pretest-posttest design. 160 community-dwelling older people, aged ?60, with MCI, from four community elderly centers participated in the study. The intervention group (IG, n =?80) received training in the Yang-style simple form of Tai Chi, at a frequency of two lessons per week for 16 weeks. Each lesson lasted for one hour. The control group (CG, n =?80) had no treatment regime and joined different recreational activity groups in community centers as usual within the study period. Outcome measures included measures of global cognitive status and IADL. The Chinese version of the Mini-Mental State Examination (CMMSE) was used for global cognitive assessment. The Hong Kong Chinese version of Lawton's Instrumental Activities of Daily Living (IADL-CV) was used to assess the participants' IADL levels. General Estimating Equations (GEE) was used to examine each of the outcome variables for the two groups at the two study time points (the baseline and at the end of the study). Meanwhile, minimum detectable change (MDC) was calculated to estimate the magnitude of changes required to eradicate the possibility of measurement error of outcome measures.Seventy four participants in the IG and 71 participants in the CG completed the study. With adjustments for differences in age, education, marital status and living conditions, the findings revealed that the participants in the IG scored significantly better on the CMMSE test (P =?0.001), and the instrumental ADL questionnaire (P =?0.004). However, those scores changes did not exceed the limits of the respective MDCs in the study, the possibility of measurement variation due to error could not be excluded.Tai Chi may be an effective strategy to enhance cognitive health and maintain functional abilities in instrumental ADL in older people with MCI.NCT03404765 (Retrospectively registered January 19, 2018).

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Limitations in physical functioning among older people as a predictor of subsequent disability in instrumental activities of daily living.

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Limitations in physical functioning among older people as a predictor of subsequent disability in instrumental activities of daily living.

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