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Stand and Move at Work sedentary behavior questionnaire: validity and sensitivity to change.
Meynard John L Toledo1, Sarah L Mullane1, Miranda L Larouche1
1College of Health Solutions, Arizona State University, Phoenix, AZ.
Annals of Epidemiology
|February 6, 2019
Summary
This study found a workplace questionnaire accurately measures sedentary behavior (SB) during and outside work. The tool is reliable and sensitive to changes, making it valuable for interventions.
Area of Science:
- Occupational Health
- Behavioral Science
- Ergonomics
Background:
- Sedentary behavior (SB) is a growing public health concern.
- Accurate measurement of workplace SB is crucial for intervention development.
- Existing self-report measures may have limitations in validity and sensitivity.
Purpose of the Study:
- To evaluate the validity and sensitivity to change of a novel workplace questionnaire for assessing sedentary behavior.
- To compare questionnaire-derived SB data with objective measures (activPAL).
- To assess SB at/away from the desk during work hours.
Main Methods:
- 546 participants completed the SB questionnaire at baseline and 3-month follow-up.
- Objective SB data collected using activPAL accelerometers.
- Ecological momentary assessments used for real-time location data.
- Validity assessed via ICC, Bland-Altman plots; sensitivity via standardized effect size.
Main Results:
- Questionnaire agreement with activPAL was comparable to other self-report tools.
- SB was overestimated during work hours but underestimated during non-work hours.
- The questionnaire showed good sensitivity to change, similar to objective measures for sedentary and standing time.
Conclusions:
- The workplace questionnaire provides valid estimates of sedentary behavior.
- The tool is sensitive to changes in sedentary behavior over time.
- This questionnaire is a viable option for assessing workplace SB in research and practice.
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