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Validation of YPAS-PT – The Yale Physical Activity Survey for Portuguese Older People

Received: 25 January 2016     Accepted: 8 February 2016     Published: 29 February 2016
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Abstract

This study aimed to translate, adapt and validate the Yale Physical Activity Survey (YPAS) to Portuguese culture in order to assess the level of physical activity in a country with one of the world’s highest percentage of senior citizens. Permission was obtained from the original authors and translated according to WHO guidelines. Validation included 471 older adults (70.3% women; 74.9±6.5 years), covering Criterion Validity, through Spearman’s rho, with a cross-reference standard, by accelerometry with 96 subjects; and Reliability comprising Internal Consistency through Cronbach’s alpha with 471 subjects, and Temporal Stability through Intraclass Correlation Coefficient involving 30 subjects. YPAS-PT appeared suitable and relevant with low-to-moderate levels for all psychometric parameters. Significant correlations were found for all variables, including accelerometer data ranging from 0.201 to 0.452 (p<0.001). Internal consistency (α≥0.835) and temporal stability (ICC>0.75) demonstrated high reliability. The YPAS-PT is a valid instrument to assess Physical Activity patterns of Portuguese older adults, allowing record low-intensity activities typical of sedentary behavior, which is often excluded from other Physical Activity assessment tools. The study has concluded that the Portuguese version of YPAS (i.e., YPAS-PT) is a valid instrument to assess PA patterns of Portuguese older adults for research and social interventions.

Published in Science Journal of Public Health (Volume 4, Issue 1)
DOI 10.11648/j.sjph.20160401.20
Page(s) 72-80
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2016. Published by Science Publishing Group

Keywords

YPAS, Older Adults, Physical Activity, Questionnaires, Validation, Survey

References
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Cite This Article
  • APA Style

    Maria Machado, Ciro Tavares, Vera Moniz-Pereira, Helô André, Fátima Ramalho, et al. (2016). Validation of YPAS-PT – The Yale Physical Activity Survey for Portuguese Older People. Science Journal of Public Health, 4(1), 72-80. https://doi.org/10.11648/j.sjph.20160401.20

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    ACS Style

    Maria Machado; Ciro Tavares; Vera Moniz-Pereira; Helô André; Fátima Ramalho, et al. Validation of YPAS-PT – The Yale Physical Activity Survey for Portuguese Older People. Sci. J. Public Health 2016, 4(1), 72-80. doi: 10.11648/j.sjph.20160401.20

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    AMA Style

    Maria Machado, Ciro Tavares, Vera Moniz-Pereira, Helô André, Fátima Ramalho, et al. Validation of YPAS-PT – The Yale Physical Activity Survey for Portuguese Older People. Sci J Public Health. 2016;4(1):72-80. doi: 10.11648/j.sjph.20160401.20

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  • @article{10.11648/j.sjph.20160401.20,
      author = {Maria Machado and Ciro Tavares and Vera Moniz-Pereira and Helô André and Fátima Ramalho and António Veloso and Filomena Carnide},
      title = {Validation of YPAS-PT – The Yale Physical Activity Survey for Portuguese Older People},
      journal = {Science Journal of Public Health},
      volume = {4},
      number = {1},
      pages = {72-80},
      doi = {10.11648/j.sjph.20160401.20},
      url = {https://doi.org/10.11648/j.sjph.20160401.20},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sjph.20160401.20},
      abstract = {This study aimed to translate, adapt and validate the Yale Physical Activity Survey (YPAS) to Portuguese culture in order to assess the level of physical activity in a country with one of the world’s highest percentage of senior citizens. Permission was obtained from the original authors and translated according to WHO guidelines. Validation included 471 older adults (70.3% women; 74.9±6.5 years), covering Criterion Validity, through Spearman’s rho, with a cross-reference standard, by accelerometry with 96 subjects; and Reliability comprising Internal Consistency through Cronbach’s alpha with 471 subjects, and Temporal Stability through Intraclass Correlation Coefficient involving 30 subjects. YPAS-PT appeared suitable and relevant with low-to-moderate levels for all psychometric parameters. Significant correlations were found for all variables, including accelerometer data ranging from 0.201 to 0.452 (p0.75) demonstrated high reliability. The YPAS-PT is a valid instrument to assess Physical Activity patterns of Portuguese older adults, allowing record low-intensity activities typical of sedentary behavior, which is often excluded from other Physical Activity assessment tools. The study has concluded that the Portuguese version of YPAS (i.e., YPAS-PT) is a valid instrument to assess PA patterns of Portuguese older adults for research and social interventions.},
     year = {2016}
    }
    

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    T1  - Validation of YPAS-PT – The Yale Physical Activity Survey for Portuguese Older People
    AU  - Maria Machado
    AU  - Ciro Tavares
    AU  - Vera Moniz-Pereira
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    JF  - Science Journal of Public Health
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    UR  - https://doi.org/10.11648/j.sjph.20160401.20
    AB  - This study aimed to translate, adapt and validate the Yale Physical Activity Survey (YPAS) to Portuguese culture in order to assess the level of physical activity in a country with one of the world’s highest percentage of senior citizens. Permission was obtained from the original authors and translated according to WHO guidelines. Validation included 471 older adults (70.3% women; 74.9±6.5 years), covering Criterion Validity, through Spearman’s rho, with a cross-reference standard, by accelerometry with 96 subjects; and Reliability comprising Internal Consistency through Cronbach’s alpha with 471 subjects, and Temporal Stability through Intraclass Correlation Coefficient involving 30 subjects. YPAS-PT appeared suitable and relevant with low-to-moderate levels for all psychometric parameters. Significant correlations were found for all variables, including accelerometer data ranging from 0.201 to 0.452 (p0.75) demonstrated high reliability. The YPAS-PT is a valid instrument to assess Physical Activity patterns of Portuguese older adults, allowing record low-intensity activities typical of sedentary behavior, which is often excluded from other Physical Activity assessment tools. The study has concluded that the Portuguese version of YPAS (i.e., YPAS-PT) is a valid instrument to assess PA patterns of Portuguese older adults for research and social interventions.
    VL  - 4
    IS  - 1
    ER  - 

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Author Information
  • Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz Quebrada, Portugal

  • Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz Quebrada, Portugal

  • Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz Quebrada, Portugal

  • Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz Quebrada, Portugal

  • Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz Quebrada, Portugal

  • Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz Quebrada, Portugal

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