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Active and sedentary bouts in people after stroke and healthy controls: An observational study
Leanne Hassett1, Louise Ada2, Stephanie Hellweg3
1School of Health Sciences/Institute for Musculoskeletal Health, Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia.
Background And Purpose:
Understanding how both active and sedentary time is accumulated in people after stroke may help to better target interventions to reduce stroke recurrence. This study aimed to determine the difference between stroke and healthy controls in (a) time spent in sedentary and active behaviour, (b) frequency of short and long active and sedentary bouts and (c) time spent in short and long active and sedentary bouts.
Methods:
Analysis of secondary outcomes from a cross-sectional study. Participants were 42 community-dwelling people after stroke and 21 age-matched healthy controls. An activity monitor was used to collect free-living active and sedentary behaviour. Total active (standing and walking) and sedentary (lying, reclining and sitting) time was calculated in minutes per day. Bouts were categorized as short (<5 min, 5-15 min, 15-30 min) or long (>30 min). The frequency of and time spent in each bout were calculated.
Results:
Relative to wear time, the stroke group spent 10% (95% confidence interval [CI] 3 to 17) more time in sedentary behaviour and had fewer long active bouts than the healthy controls. The stroke group spent 7% (95% CI 1-13) less time in long active bouts and 11% (95% CI 2-20) more time in long sedentary bouts than the healthy controls.
Conclusions:
Community-dwelling people after stroke spent less time in active behaviour and accumulated more sedentary time in bouts longer than 30 min compared with healthy controls. Increasing active time and breaking up long sedentary time warrants investigation in people after stroke.
