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

Research output: Contribution to journalArticle

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

Keywords

  • Questionnaire
  • Sedentary behavior
  • Workplace

PubMed: MeSH publication types

  • Journal Article
  • Research Support, N.I.H., Extramural

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