Validación de un test breve para el diagnóstico de capacidad funcional en adultos mayores en Chile

Background: The Pfeffer Functional Activities Questionnaire (PFAQ) is a validated instrument used in Chile to diagnose dependency in older people. Aim: To suggest a shorter and easier version of the PFAQ, with appropriate levels of sensitivity and specificity, which may be applied to the general old...

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Autores principales:	Herrera P,M. Soledad, Saldías,Paula, Testa,Natalia
Lenguaje:	Spanish / Castilian
Publicado:	Sociedad Médica de Santiago 2014
Materias:	Activities of Daily Living Dependency (Psychology) Elderly
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872014000900006
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spelling	oai:scielo:S0034-988720140009000062014-12-17Validación de un test breve para el diagnóstico de capacidad funcional en adultos mayores en ChileHerrera P,M. SoledadSaldías,PaulaTesta,Natalia Activities of Daily Living Dependency (Psychology) Elderly Background: The Pfeffer Functional Activities Questionnaire (PFAQ) is a validated instrument used in Chile to diagnose dependency in older people. Aim: To suggest a shorter and easier version of the PFAQ, with appropriate levels of sensitivity and specificity, which may be applied to the general older population. Material and Methods: Three Chilean surveys applied to older people were used, namely the Survey of Life Events of the Elderly, (n = 1,371) and the 2010 and 2013 National Surveys of Quality of Life of Older People (n = 1,954 and 2,644 respectively). To evaluate the instrument, we performed correlation analysis between items and principal components analysis. We calculated internal consistency using Cronbach alpha, we computed sensitivity and specificity indicators, and analyzed convergent and predictive validity. Results: After constructing different scales, the one that gave more information and had the best balance between sensitivity and specificity was chosen. Items with less weight factor and greater gender bias were eliminated, keeping seven questions from the original PFAQ. Reliability was verified using Cronbach alpha’s coefficient and from correlations between the new instrument and key variables. Conclusions: According to our goals, the proposed scale is solely conformed by items that do not have gender bias. It discriminates in the general population adequately, allowing the design of a shorter test, of easier implementation.info:eu-repo/semantics/openAccessSociedad Médica de SantiagoRevista médica de Chile v.142 n.9 20142014-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872014000900006es10.4067/S0034-98872014000900006
institution	Scielo Chile
collection	Scielo Chile
language	Spanish / Castilian
topic	Activities of Daily Living Dependency (Psychology) Elderly
spellingShingle	Activities of Daily Living Dependency (Psychology) Elderly Herrera P,M. Soledad Saldías,Paula Testa,Natalia Validación de un test breve para el diagnóstico de capacidad funcional en adultos mayores en Chile
description	Background: The Pfeffer Functional Activities Questionnaire (PFAQ) is a validated instrument used in Chile to diagnose dependency in older people. Aim: To suggest a shorter and easier version of the PFAQ, with appropriate levels of sensitivity and specificity, which may be applied to the general older population. Material and Methods: Three Chilean surveys applied to older people were used, namely the Survey of Life Events of the Elderly, (n = 1,371) and the 2010 and 2013 National Surveys of Quality of Life of Older People (n = 1,954 and 2,644 respectively). To evaluate the instrument, we performed correlation analysis between items and principal components analysis. We calculated internal consistency using Cronbach alpha, we computed sensitivity and specificity indicators, and analyzed convergent and predictive validity. Results: After constructing different scales, the one that gave more information and had the best balance between sensitivity and specificity was chosen. Items with less weight factor and greater gender bias were eliminated, keeping seven questions from the original PFAQ. Reliability was verified using Cronbach alpha’s coefficient and from correlations between the new instrument and key variables. Conclusions: According to our goals, the proposed scale is solely conformed by items that do not have gender bias. It discriminates in the general population adequately, allowing the design of a shorter test, of easier implementation.
author	Herrera P,M. Soledad Saldías,Paula Testa,Natalia
author_facet	Herrera P,M. Soledad Saldías,Paula Testa,Natalia
author_sort	Herrera P,M. Soledad
title	Validación de un test breve para el diagnóstico de capacidad funcional en adultos mayores en Chile
title_short	Validación de un test breve para el diagnóstico de capacidad funcional en adultos mayores en Chile
title_full	Validación de un test breve para el diagnóstico de capacidad funcional en adultos mayores en Chile
title_fullStr	Validación de un test breve para el diagnóstico de capacidad funcional en adultos mayores en Chile
title_full_unstemmed	Validación de un test breve para el diagnóstico de capacidad funcional en adultos mayores en Chile
title_sort	validación de un test breve para el diagnóstico de capacidad funcional en adultos mayores en chile
publisher	Sociedad Médica de Santiago
publishDate	2014
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872014000900006
work_keys_str_mv	AT herrerapmsoledad validaciondeuntestbreveparaeldiagnosticodecapacidadfuncionalenadultosmayoresenchile AT saldiaspaula validaciondeuntestbreveparaeldiagnosticodecapacidadfuncionalenadultosmayoresenchile AT testanatalia validaciondeuntestbreveparaeldiagnosticodecapacidadfuncionalenadultosmayoresenchile
_version_	1718436775880294400

Validación de un test breve para el diagnóstico de capacidad funcional en adultos mayores en Chile

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