Sedentary behavior patterns over 6 weeks among ambulatory people with stroke.
Emily A Kringle, Elizabeth R Skidmore, Lauren Terhorst and 2 others
PMID 33176623WHAT IT FOUND
Sedentary behavior patterns remained stable over 6 weeks in ambulatory stroke survivors.
This supports using pre-post designs for future interventions. The study did not test an intervention, so it does not show that any treatment reduces sitting time.
Key findings
01Sedentary behavior metrics remained stable over 6 weeks among ambulatory people with stroke.
02This stability supports the interpretation of within-group change over time in post-stroke sedentary behavior intervention research.
03Prolonged sitting time was more strongly associated with the fragmentation index than with the number of sit-to-stand transitions.
STILL TO COME
How it was doneWhat they found
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What it does not show
The sample size was small (39 analyzed), limiting the ability to detect statistically significant within-group changes. Half of the sample was recruited for an intervention study with restricted inclusion criteria, which may not represent the broader stroke population. The study excluded people with severe communication impairment, those receiving cancer treatment, and those with neurodegenerative disorders. Collapsing 7-day monitoring data into a single daily mean may mask within-person variability. The study did not include people who were less mobile or who required physical assistance to walk.
Declared interests
Research Support, N.I.H., Extramural, Research Support, Non-U.S. Gov't, Research Support, U.S. Gov't, Non-P.H.S.
The easy way to misread this
Do not interpret this as evidence that an intervention reduced sedentary behavior. This was a descriptive analysis of natural stability over 6 weeks without an active treatment phase during the measured period. It informs how to design future trials but does not demonstrate efficacy.