%0 Journal Article %T Independencia en las actividades de la vida: Estudio de validaci¨®n de una escala para la poblaci¨®n portuguesa %A Reis %A Gorete %A Teixeira %A Laetitiae %A Constan£¿a %A Pa¨²l %A Martins %A Manuela %J Gerokomos %D 2012 %I Ediciones SPA S.L. %R 10.4321/S1134-928X2012000200005 %X functionality has primordial importance in old people's independence; situation we wish to be as long as possible in the course of one's life. functionality is a multidimensional construct measured through personal and instrumental activities of the life (adl and iadl). the aim of this study is to validate a scale of daily life activities for the portuguese population, middle-aged and elderly (n = 1322). results of this study show us the existence of three factors, with suitable psychometric characteristics, which are: mobility, instrumental activities of daily life and personal activities of daily life, with an explained variation of 64.75%. it has a specific interest for the population living in the community. %K functionality %K independence %K adl %K ageing %K validation study. %U http://scielo.isciii.es/scielo.php?script=sci_abstract&pid=S1134-928X2012000200005&lng=en&nrm=iso&tlng=en