Dependency evolution in Spanish disabled population : a functional data analysis approach

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Show simple item record Albarrán Lozano, Irene Alonso González, Pablo Arribas Gil, Ana
dc.contributor.editor Universidad Carlos III de Madrid. Departamento de Estadística 2013-02-07T13:59:27Z 2013-02-07T13:59:27Z 2013-02
dc.description.abstract In a health context dependency is defined as lack of autonomy in performing basic activities of daily living that require the care of another person or significant help. However, this contingency, if present, changes throughout the lifetime. In fact, empirical evidence shows that, once this situation occurs, it is almost impossible to return to the previous state and in most cases the intensity increases. In this article, the evolution of the intensity in this situation is studied for the Spanish population affected by this contingency. Evolution in dependency can be seen as sparsely observed functional data, where for each individual we get a curve only observed at those points in which changes in the condition of his/her dependency occur. We use functional data analysis techniques such as curve registration, functional data depth or distance-based clustering to analyse this kind of data. This approach proves to be useful in this context since it takes into account the dynamics of the dependency process and provides more meaningful conclusions than simple pointwise or multivariate analysis. The database analysed comes from the Survey about Disabilities, Personal Autonomy and Dependency Situations, EDAD 2008, (Spanish National Institute of Statistics, 2008). The evaluation of the dependency situation for each person is ruled in Spain by the Royal Decree 504/2007 that passes the scale for assessment of the situation set by Act 39/2006. In this article, the scale value for each individual included in EDAD 2008 has been calculated according to this legislation. Differences between sex, ages and first appearance time have been considered and prediction of future evolution of dependency is obtained
dc.description.sponsorship The research of Ana Arribas-Gil was supported by grants ECO2011-25706 and MTM2010-17323 of the Spanish Ministry of Science and Innovation
dc.format.mimetype application/pdf
dc.language.iso eng
dc.relation.ispartofseries UC3M Working papers. Statistics and Econometrics
dc.relation.ispartofseries 13-03
dc.rights Atribución-NoComercial-SinDerivadas 3.0 España
dc.subject.other Chain-ladder
dc.subject.other Dependency
dc.subject.other Disability
dc.subject.other Forecasting
dc.subject.other Functional data
dc.subject.other Time warping model
dc.title Dependency evolution in Spanish disabled population : a functional data analysis approach
dc.type workingPaper
dc.subject.eciencia Estadística
dc.rights.accessRights openAccess
dc.relation.projectID Gobierno de España. ECO2011-25706
dc.type.version submitedVersion
dc.identifier.repec ws130403
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