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Reliability and validity of the short questionnaire to assess health-enhancing physical activity (squash) in patients after total hip arthroplasty

Wagenmakers, R., Akker-Scheek, I. van den, Groothoff, J.W., Zijlstra, W., Bulstra, S.K., Kootstra, J.W.J., ... Stevens, M. (2008). Reliability and validity of the short questionnaire to assess health-enhancing physical activity (squash) in patients after total hip arthroplasty.

Background: Despite recognized benefits of regular physical activity on musculoskeletal fitness as well as general health, little is known about the physical activity behavior of patients after Total Hip Arthroplasty (THA). So far, no physical activity questionnaire has been validated in this category of patients. As the Short Questionnaire to Assess Health-enhancing physical activity (SQUASH) has been shown to be a fairly reliable and valid tool to gauge the physical activity behavior of the general Dutch adult population, we measured the reliability and relative validity of this tool in patients after THA. Conclusion: The SQUASH can be considered to be a fairly reliable tool to assess the physical activity behavior of patients after THA. Validity was found to be comparable with those of other questionnaires, and as it is short and easy to fill in, it may prove to be a useful tool to assess physical activity in this particular subset of the population. However, the considerable systematic bias found in this study illustrates the need for further analysis of the validity of the SQUASH.

Uitgever(s): Wagenmakers et al;,

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Reliability and validity of the short questionnaire to assess health-enhancing physical activity (squash) in patients after total hip arthroplasty

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Robert Wagenmakers
Inge van den Akker-Scheek
Johan Groothoff
Wiebren Zijlstra
Sjoerd Bulstra
Johan Kootstra
Wanda Wendel-Vos
Jos van Raaij
Martinus Stevens

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kwaliteit
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