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Impact on Participation and Autonomy – test of validity and reliability for older persons

Journal article
Authors Isabelle Ottenvall Hammar
Christina Ekelund
Katarina Wilhelmson
Kajsa Eklund
Published in Health Psychology Research
Volume 2
Issue 3
Pages 68-73
Publication year 2014
Published at Institute of Neuroscience and Physiology
Centre for Ageing and Health (Agecap)
Pages 68-73
Language en
Links dx.doi.org/10.4081/hpr.2014.1825
Keywords IPA, occupational therapy, rehabilitation, self-determination, test-retest
Subject categories Occupational Therapy, Gerontology, specializing in Medical and Health Sciences

Abstract

In research and health care it is important to measure older person’s self-determination in order to improve their possibilities to decide for themselves in daily life. The questionnaire Impact on Participation and Autonomy (IPA) assesses self-determination, but is not constructed for older persons. The aim of this study was to examine the validity and reliability of the IPA-S questionnaire for persons aged 70 years and older. The study was performed in two steps; first a validity test of the Swedish version of the questionnaire, IPA-S, followed by a reliability test-retest of an adjusted version. The validity was tested with focus groups and individual interviews on persons aged 77-88 years, and the reliability on persons aged 70-99 years. The validity test result showed that IPA-S is valid for older persons but it was too extensive and the phrasing of the items needed adjustments. The reliability test-retest on the adjusted questionnaire, IPA-for Older persons (IPA-O), showed that 15 of 22 items had high agreement. IPA-O can be used to measure older persons’ right to self-determination in their care and rehabilitation.

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