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Disablement in the Physically Active Scale Short Form-8: psychometric evaluation

BACKGROUND: Patient-centered care and evidence-based practice (EBP) are core competencies for health care professionals. The importance of EBP has led to an increase in research involving clinical outcomes; current recommendations emphasize collecting patient focused measures, thus increasing the ne...

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Autores principales: Casanova, Madeline P., Nelson, Megan C., Pickering, Michael A., Larkins, Lindsay W., Appleby, Karen M., Grindley, Emma J., Baker, Russell T.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8669416/
https://www.ncbi.nlm.nih.gov/pubmed/34906195
http://dx.doi.org/10.1186/s13102-021-00380-3
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author Casanova, Madeline P.
Nelson, Megan C.
Pickering, Michael A.
Larkins, Lindsay W.
Appleby, Karen M.
Grindley, Emma J.
Baker, Russell T.
author_facet Casanova, Madeline P.
Nelson, Megan C.
Pickering, Michael A.
Larkins, Lindsay W.
Appleby, Karen M.
Grindley, Emma J.
Baker, Russell T.
author_sort Casanova, Madeline P.
collection PubMed
description BACKGROUND: Patient-centered care and evidence-based practice (EBP) are core competencies for health care professionals. The importance of EBP has led to an increase in research involving clinical outcomes; current recommendations emphasize collecting patient focused measures, thus increasing the need for psychometrically sound patient reported outcome measures (PROMs) of health. Disablement has been identified as a valuable multi-dimensional construct for patient care. The Disablement in the Physically Active Scale Short Form-8 (DPA SF-8) has been proposed as a tool to be used in the physically active population that assesses a physical summary component of health and a quality of life component however, further analysis is necessary to ensure the instrument is psychometrically sound. METHODS: Confirmatory factor analyses (CFAs) were conducted on the DPA SF-8 at each time point to ensure factor structure. Reliability of the scale and internal consistency of the subscales were assessed, and a minimal detectable change (MDC) calculated. Additionally, a minimal clinically important difference (MCID) was also established, and invariance testing across three time points and groups was conducted. RESULTS: The CFAs at all three visits exceeded recommended model fit indices. The interclass correlation coefficient value (.924) calculated indicated excellent scale reliability and Cronbach’s alpha for subscales PHY and QOL were within recommend values. The MDC value calculated was 5.83 and the MCID for persistent injuries were 2 points and for acute injuries, 3 points. The DPA SF-8 was invariant across time and across subgroups. CONCLUSIONS: The DPA SF-8 met CFA recommendations and criteria for multi-group and longitudinal invariance testing, which indicates the scale may be used to assess for differences between the groups or across time. Our overall analysis indicates the DPA SF-8 is a valid, reliable, and responsive instrument to assess patient improvement in the physically active population. SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1186/s13102-021-00380-3.
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spelling pubmed-86694162021-12-14 Disablement in the Physically Active Scale Short Form-8: psychometric evaluation Casanova, Madeline P. Nelson, Megan C. Pickering, Michael A. Larkins, Lindsay W. Appleby, Karen M. Grindley, Emma J. Baker, Russell T. BMC Sports Sci Med Rehabil Research Article BACKGROUND: Patient-centered care and evidence-based practice (EBP) are core competencies for health care professionals. The importance of EBP has led to an increase in research involving clinical outcomes; current recommendations emphasize collecting patient focused measures, thus increasing the need for psychometrically sound patient reported outcome measures (PROMs) of health. Disablement has been identified as a valuable multi-dimensional construct for patient care. The Disablement in the Physically Active Scale Short Form-8 (DPA SF-8) has been proposed as a tool to be used in the physically active population that assesses a physical summary component of health and a quality of life component however, further analysis is necessary to ensure the instrument is psychometrically sound. METHODS: Confirmatory factor analyses (CFAs) were conducted on the DPA SF-8 at each time point to ensure factor structure. Reliability of the scale and internal consistency of the subscales were assessed, and a minimal detectable change (MDC) calculated. Additionally, a minimal clinically important difference (MCID) was also established, and invariance testing across three time points and groups was conducted. RESULTS: The CFAs at all three visits exceeded recommended model fit indices. The interclass correlation coefficient value (.924) calculated indicated excellent scale reliability and Cronbach’s alpha for subscales PHY and QOL were within recommend values. The MDC value calculated was 5.83 and the MCID for persistent injuries were 2 points and for acute injuries, 3 points. The DPA SF-8 was invariant across time and across subgroups. CONCLUSIONS: The DPA SF-8 met CFA recommendations and criteria for multi-group and longitudinal invariance testing, which indicates the scale may be used to assess for differences between the groups or across time. Our overall analysis indicates the DPA SF-8 is a valid, reliable, and responsive instrument to assess patient improvement in the physically active population. SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1186/s13102-021-00380-3. BioMed Central 2021-12-14 /pmc/articles/PMC8669416/ /pubmed/34906195 http://dx.doi.org/10.1186/s13102-021-00380-3 Text en © The Author(s) 2021 https://creativecommons.org/licenses/by/4.0/Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) . The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/ (https://creativecommons.org/publicdomain/zero/1.0/) ) applies to the data made available in this article, unless otherwise stated in a credit line to the data.
spellingShingle Research Article
Casanova, Madeline P.
Nelson, Megan C.
Pickering, Michael A.
Larkins, Lindsay W.
Appleby, Karen M.
Grindley, Emma J.
Baker, Russell T.
Disablement in the Physically Active Scale Short Form-8: psychometric evaluation
title Disablement in the Physically Active Scale Short Form-8: psychometric evaluation
title_full Disablement in the Physically Active Scale Short Form-8: psychometric evaluation
title_fullStr Disablement in the Physically Active Scale Short Form-8: psychometric evaluation
title_full_unstemmed Disablement in the Physically Active Scale Short Form-8: psychometric evaluation
title_short Disablement in the Physically Active Scale Short Form-8: psychometric evaluation
title_sort disablement in the physically active scale short form-8: psychometric evaluation
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8669416/
https://www.ncbi.nlm.nih.gov/pubmed/34906195
http://dx.doi.org/10.1186/s13102-021-00380-3
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