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Identifying factors associated with sedentary time after stroke. Secondary analysis of pooled data from nine primary studies

Lookup NU author(s): Sarah Moore

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Abstract

Background High levels of sedentary time increases the risk of cardiovascular disease, including recurrent stroke. Objective This study aimed to identify factors associated with high sedentary time in community dwelling people with stroke. Methods For this data pooling study, authors of published and ongoing trials that collected sedentary time data, using the activPAL monitor, in community dwelling people with stroke were invited to contribute their raw data. The data was reprocessed, algorithms were created to identify sleep-wake time and determine the percentage of waking hours spent sedentary. We explored demographic and stroke related factors associated with total sedentary time and time in uninterrupted sedentary bouts using unique, both univariable and multivariable, regression analyses. Results The 274 included participants were from Australia, Canada and the United Kingdom, and spent, on average, 69% (SD 12.4) of their waking hours sedentary. Of the demographic and stroke related factors, slower walking speeds were significantly and independently associated with a higher percentage of waking hours spent sedentary (p=0.001) and uninterrupted sedentary bouts of >30 and >60 minutes (p=0.001 and p=0.004, respectively). Regression models explained 11-19% of the variance in total sedentary time and time in prolonged sedentary bouts. Conclusion We found that variability in sedentary time of people with stroke was largely unaccounted for by demographic and stroke-related variables. Behavioral and environmental factors are likely to play an important role in sedentary behavior after stroke. Further work is required to develop and test effective interventions to address sedentary behavior after stroke.


Publication metadata

Author(s): Hendrickx W, Riveros C, Askim T, Bussmann JBJ, Callisaya ML, Chastin SFM, Dean C, Ezeugwu V, Jones TM, Kuys SS, Mahendran N, Manns TJ, Mead G, Moore SA, Paul L, Pisters MF, Saunders DH, Simpson DB, Tieges Z, Verschuren O, English C

Publication type: Article

Publication status: In Press

Journal: Topics in Stroke Rehabilitation

Year: 2019

Acceptance date: 25/03/2019

ISSN (print): 1074-9357

ISSN (electronic): 1945-5119

Publisher: Taylor & Francis

DOI: 10.1080/10749357.2019.1601419


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