|dc.identifier.bibliographicCitation||Larson, J. L., Covey, M. K., Kapella, M. C., Alex, C. G. and McAuley, E. Self-efficacy enhancing intervention increases light physical activity in people with chronic obstructive pulmonary disease. International Journal of COPD. 2014. 9: 1081-1090. DOI: 10.2147/COPD.S66846||en_US
|dc.description||This is a copy of an article published in the International Journal of COPD © 2014 Dove Medical Press.||en_US
|dc.description.abstract||Background: People with chronic obstructive pulmonary disease lead sedentary lives and could
benefit from increasing their physical activity. The purpose of this study was to determine if
an exercise-specific self-efficacy enhancing intervention could increase physical activity and
functional performance when delivered in the context of 4 months of upper body resistance
training with a 12-month follow-up.
Methods: In this randomized controlled trial, subjects were assigned to: exercise-specific selfefficacy
enhancing intervention with upper body resistance training (SE-UBR), health education
with upper body resistance training (ED-UBR), or health education with gentle chair exercises
(ED-Chair). Physical activity was measured with an accelerometer and functional performance
was measured with the Functional Performance Inventory. Forty-nine people with moderate
to severe chronic obstructive pulmonary disease completed 4 months of training and provided
valid accelerometry data, and 34 also provided accelerometry data at 12 months of follow-up.
The self-efficacy enhancing intervention emphasized meeting physical activity guidelines and
increasing moderate-to-vigorous physical activity.
Results: Differences were observed in light physical activity (LPA) after 4 months of
training, time by group interaction effect (P=0.045). The SE-UBR group increased time
spent in LPA by +20.68±29.30 minutes/day and the other groups decreased time spent in LPA
by -22.43±47.88 minutes/day and -25.73±51.76 minutes/day. Changes in LPA were not sustained
at 12-month follow-up. There were no significant changes in moderate-to-vigorous physical
activity, sedentary time, or functional performance. Subjects spent most of their waking hours
sedentary: 72%±9% for SE-UBR, 68%±10% for ED-UBR, and 74%±9% for ED-Chair.
Conclusion: The self-efficacy enhancing intervention produced a modest short-term increase
in LPA. Further work is needed to increase the magnitude and duration of effect, possibly by
|dc.description.sponsorship||This research was funded by the National Institute of
Nursing Research R01-NR08037 and the University of
Illinois at Chicago General Clinical Research Center
M01-RR-13987. The Clinical Trials Registration number
|dc.publisher||Dove Medical Press||en_US
|dc.title||Self-efficacy enhancing intervention increases
light physical activity in people with chronic
obstructive pulmonary disease||en_US