Single versus multi-item self-assessment of sedentary behaviour: a comparison with objectively measured sedentary time in nurses

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Single versus multi-item self-assessment of sedentary behaviour: a comparison with objectively measured sedentary time in nurses

Objectives: To compare sedentary time (ST) measured by self-report using a single question from the short-form International Physical Activity Questionnaire (IPAQ-SF), 18-items from the Sedentary Behaviour Questionnaire (SBQ) and objectively using an accelerometer among a large sample of nurses.Design: Cross-sectional.Methods: Participants wore an ActiGraph GT3X accelerometer (≥4 days, ≥10 hours/day) and self-reported usual day sitting using the IPAQ and sitting in different modes using the SBQ.

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