The Effect of a Physical Activity Coaching Intervention on Accelerometer-Measured Sedentary Behaviours in Insufficiently Physically Active Ambulatory Hospital Patients

Stephen Barrett, Stephen Begg, Paul O′Halloran and Michael Kingsley
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Stephen Barrett: La Trobe Rural Health School, La Trobe University, P.O. Box 199, Bendigo, Victoria 3552, Australia
Stephen Begg: La Trobe Rural Health School, La Trobe University, P.O. Box 199, Bendigo, Victoria 3552, Australia
Paul O′Halloran: School of Psychology and Public Health, La Trobe University, Bundoora, Victoria 3086, Australia
Michael Kingsley: Holsworth Research Initiative, La Trobe Rural Health School, La Trobe University, P.O. Box 199, Bendigo, Victoria 3552, Australia

IJERPH, 2021, vol. 18, issue 11, 1-10

Abstract: Little is known about the impact that physical activity (PA) coaching interventions have on sedentary behaviours. The aim of this study was to investigate if a coaching intervention that increases PA coincidentally influences objectively measured sedentary time in insufficiently physically active adults. We recruited 120 insufficiently physically active ambulatory hospital patients and randomized them to either receive a PA coaching intervention designed to increase objectively measured moderate-to-vigorous-intensity PA (MVPA) or be part of a control group. Participants wore an accelerometer for seven days at baseline, post-intervention (three months) and follow-up (nine months). Changes in the average length of sedentary bouts, proportion of time in sedentary behaviours and number of sedentary bouts were evaluated using mixed-model ANOVAs. At baseline, both groups undertook 67 ± 13 sedentary bouts and spent 69% ± 6% of their time in sedentary behaviours. Compared with control, the intervention group decreased the number of sedentary bouts by 24% and the proportion of time in sedentary behaviours by 7% ( p < 0.001). Significant changes were not observed between the groups for average length of sedentary bouts. The PA intervention led to a decrease in the number of sedentary bouts and proportion of time in sedentary behaviours. Future research should investigate PA coaching interventions designed to target simultaneous changes in MVPA and sedentary behaviours.

Keywords: physical activity; sedentary behaviours; secondary prevention; rural health (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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