Impact on participation and autonomy: test of validity and reliability for older persons

  • Isabelle Ottenvall Hammar | isabelle.o-h@neuro.gu.se Department of Clinical Neuroscience and Rehabilitation, Institute of Neuroscience and Physiology, The Sahlgrenska Academy, University of Gothenburg; Department of Physiotherapy and Occupational therapy, The Sahlgrenska University Hospital; Vardalinstitutet, The Swedish Institute for Health Sciences, Universities of Gothenburg and Lund; Centre of Aging and Health-AGE-CAP, University of Gothenburg, Sweden.
  • Christina Ekelund Department of Clinical Neuroscience and Rehabilitation, Institute of Neuroscience and Physiology, The Sahlgrenska Academy, University of Gothenburg; Vardalinstitutet, The Swedish Institute for Health Sciences, Universities of Gothenburg and Lund, Sweden.
  • Katarina Wilhelmson Vardalinstitutet, The Swedish Institute for Health Sciences, Universities of Gothenburg and Lund; Centre of Aging and Health-AGE-CAP, University of Gothenburg; Department of Geriatrics, The Sahlgrenska University Hospital, Sweden.
  • Kajsa Eklund Department of Clinical Neuroscience and Rehabilitation, Institute of Neuroscience and Physiology, The Sahlgrenska Academy, University of Gothenburg; Vardalinstitutet, The Swedish Institute for Health Sciences, Universities of Gothenburg and Lund; Centre of Aging and Health-AGE-CAP, University of Gothenburg, Sweden.

Abstract

In research and healthcare it is important to measure older persons’ 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-Older persons (IPA-O), showed that 15 of 22 items had high agreement. IPA-O can be used to measure older persons’ self-determination in their care and rehabilitation.

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Published
2014-10-22
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This study was supported by grants from the Research and Development Council of the County of Gothenburg and South of Bohuslän and Vårdalinstitutet, the Swedish Institute for Health Sciences.
Keywords:
impact on participation and autonomy, occupational therapy, rehabilitation, self-determination, test-retest
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How to Cite
Ottenvall Hammar, I., Ekelund, C., Wilhelmson, K., & Eklund, K. (2014). Impact on participation and autonomy: test of validity and reliability for older persons. Health Psychology Research, 2(3). https://doi.org/10.4081/hpr.2014.1825