Test-retest reliability and concurrent validity of the Adapted Short QUestionnaire to ASsess Health-enhancing physical activity (Adapted-SQUASH) in adults with disabilities

Bregje L Seves*, Femke Hoekstra, Jorrit W A Schoenmakers, Pim Brandenbarg, Trynke Hoekstra, Florentina J Hettinga, Rienk Dekker, Lucas H V van der Woude, Cees P van der Schans

*Bijbehorende auteur voor dit werk

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The current study determined the test-retest reliability and concurrent validity of the Adapted Short QUestionnaire to ASsess Health-enhancing physical activity (Adapted-SQUASH) in adults with disabilities. Before filling in the Adapted-SQUASH twice with a recall period of 2 weeks, participants wore the Actiheart activity monitor up to 1 week. For the test-retest reliability (N = 68), Intraclass correlation coefficients (ICCs) were 0.67 (p <0.001) for the total activity score (min x intensity/week) and 0.76 (p <0.001) for the total minutes of activity (min/week). For the concurrent validity (N = 58), the Spearman correlation coefficient was 0.40 (p = 0.002) between the total activity score of the first administration of the Adapted-SQUASH and activity energy expenditure from the Actiheart (kcals kg(-1) min(-1)). The ICC was 0.22 (p = 0.027) between the total minutes of activity assessed with the first administration of the Adapted-SQUASH and Actiheart. The Adapted-SQUASH is an acceptable measure to assess self-reported physical activity in large populations of adults with disabilities but is not applicable at the individual level due to wide limits of agreement. Self-reported physical activity assessed with the Adapted-SQUASH does not accurately represent physical activity assessed with the Actiheart in adults with disabilities, as indicated with a systematic bias between both instruments in the Bland-Altman analysis.

Originele taal-2English
Pagina's (van-tot)1-12
Aantal pagina's12
TijdschriftJournal of Sports Sciences
Vroegere onlinedatum9-dec-2020
DOI's
StatusPublished - 10-dec-2020

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