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12-04-2019 | Uitgave 6/2019

Journal of Behavioral Medicine 6/2019

A web-based physical activity intervention benefits persons with low self-efficacy in COPD: results from a randomized controlled trial

Tijdschrift:
Journal of Behavioral Medicine > Uitgave 6/2019
Auteurs:
Stephanie A. Robinson, Stephanie L. Shimada, Karen S. Quigley, Marilyn L. Moy
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Abstract

Promoting physical activity (PA) is of top priority in chronic obstructive pulmonary disease (COPD). This study examines the influence of an internet-delivered intervention on the relationship between exercise self-efficacy and changes in PA, physical health, and exercise capacity in COPD. 112 U.S. Veterans with COPD were randomized to either a comparison (pedometer alone) or an intervention group (pedometer plus access to an internet-mediated PA intervention). There was a significant interaction between baseline exercise self-efficacy and randomization group on change in PA. In the comparison group, there was a significant relationship between higher baseline exercise self-efficacy and greater change in PA, whereas in the intervention group, improvements in PA were independent of level of baseline self-efficacy. Similar patterns were found with physical health and exercise capacity as outcomes. The use of an internet-mediated intervention significantly benefited persons with COPD who had low baseline self-efficacy to increase PA and physical health.
Clinical trial registration The randomized clinical trial was registered on ClinicalTrials.gov (NCT01772082).

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