Stand and Move at Work sedentary behavior questionnaire: validity and sensitivity to change

Meynard John L. Toledo, Sarah L. Mullane, Miranda L. Larouche, Sarah A. Rydell, Nathan R. Mitchell, Mark A. Pereira, Matthew P. Buman

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1 Scopus citations

Abstract

Purpose: We evaluated the validity and sensitivity to change of a workplace questionnaire to assess sedentary behavior (SB) during and outside work. Methods: Participants wore an activPAL and completed an SB questionnaire at two time points (baseline and 3-month follow-up). Ecological momentary assessments were used to assess workplace location (at desk vs. away from desk). Intraclass correlation coefficients, mean difference, root of mean square error, kappa agreement, and Bland-Altman plots assessed validity. Sensitivity to change after 3 months of intervention was assessed using the standardized effect size. Results: Data from 546 participants (age = 45.1 ± 16.4 years, 24.9% males, 72.7% white) were analyzed. Intraclass correlation coefficients ranged from 0.08 to 0.23. SB was overestimated d¯(95%CI) by 47.9 (39.2, 56.6) min during work hours but underestimated for both non–work hours and nonworkdays by −38.3 (−47.4, 29.1) and −106.7 (124.0, −89.5) min, respectively. Participants slightly underestimated SB by −3.4 (−12.6, 5.7)% when at their desk but overestimated SB by 2.8 (−2.4, 8.0)% when not at their desk. The questionnaire demonstrated similar standardized effect size (>0.6) to the activPAL for sedentary and standing time. Conclusions: Agreement between the questionnaire and activPAL was on par with other self-report measures. The questionnaire yielded valid estimates of at/away from desk SB and was sensitive to change.

Original languageEnglish (US)
Pages (from-to)62-68.e1
JournalAnnals of epidemiology
Volume31
DOIs
StatePublished - Mar 2019

Bibliographical note

Funding Information:
This study was funded by the National Institute of Health [ R01CA198971 ]. The authors would like to thank Barbara Ainsworth, Bronwyn Clark, Paul Gardiner, Jennifer Huberty, Brigid Lynch, Fabien Riviere, and Elisabeth Winkler for their assistance in questionnaire development.

Funding Information:
This study was funded by the National Institute of Health [R01CA198971]. The authors would like to thank Barbara Ainsworth, Bronwyn Clark, Paul Gardiner, Jennifer Huberty, Brigid Lynch, Fabien Riviere, and Elisabeth Winkler for their assistance in questionnaire development. No financial disclosures were reported by the authors of this article.

Keywords

  • Questionnaire
  • Sedentary behavior
  • Workplace

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