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Is the IPAQ-SF valid for assessing physical activity in chronic fatigue syndrome?

Discussion in 'Latest ME/CFS Research' started by shrewsbury, May 22, 2010.

  1. shrewsbury

    shrewsbury member

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    Tate Mitchell to CO-CURE May 8

    'Is the International Physical Activity Questionnaire-Short Form
    (IPAQ-SF) valid for assessing physical activity in chronic fatigue syndrome'

    Meeus M, Van Eupen I, Willems J, Kos D, Nijs J.
    Disabil Rehabil. 2010 May 6. [Epub ahead of print]

    Division of Musculoskeletal Physiotherapy, Department of Health
    Sciences, Artesis University College Antwerp (AHA), Antwerp, Belgium.

    http://www.ncbi.nlm.nih.gov/pubmed/20446802


    Abstract

    Purpose. To evaluate the criterion validity and internal consistency
    of the International Physical Activity Questionnaire-short form
    (IPAQ-sf) in Chronic Fatigue Syndrome (CFS) patients.

    Method. Fifty-six CFS patients completed the IPAQ-sf after they wore a
    tri-axial accelerometer and filled out activity diaries during 1 week.
    Spearman rank correlation coefficients and Cronbach's Alpha were
    calculated.

    Results. The IPAQ-sf correlated significantly with the energy
    expenditure and Metabolic Equivalents (METs) minutes spent moderately
    to vigorously active following the activity diary and accelerometer.
    These correlation coefficients were however low (r varying between
    0.282 and 0.426) and rather irrelevant, since CFS patients hardly
    reach moderate or vigorous activity levels. Internal consistency
    between the three subitems used for the total score of the IPAQ-sf was
    0.337.

    Conclusion. The observed associations between the IPAQ-sf data and the
    data obtained from the accelerometer (gold standard) and the diaries
    were too low to be in support of the use of the IPAQ-sf in patients
    with CFS. The IPAQ-sf does not seem an appropriate tool to assess
    physical activity in CFS patients. Further study is required to seek
    for a valid, practical and affordable tool.
     

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