The Role of Self-Determination in Changing Physical Activity Behavior in People Diagnosed With Bowel Polyps: A Pilot Randomized Controlled Trial

Liane S. Lewis, Barnabas Shaw, Srijit Banerjee, Pryscilla Dieguez, James Hernon, Nigel Belshaw, John Saxton

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1 Citation (Scopus)
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Abstract

This nonblinded randomized controlled trial investigated the efficacy of a physical activity (PA) intervention underpinned by self-determination theory. Participants (N = 31, mean age 69 years [SD = 4.9]) diagnosed with bowel polyps were randomized to an active lifestyle program (ALP; n = 17) or standard care (n = 14). ALP received supervised exercise and counseling for 6 months. Both groups were followed up at 12 months. Outcomes were change in PA and behavioral regulation. Data were analyzed with intention to treat. At 6 months, differences were observed for behavioral regulation in favor of ALP (p < .05). PA differences were significant for leisure, walking, and vigorous in favor of ALP (p < .05). The self-determination theory can be an effective strategy for promoting PA behavior change in this population, but a larger trial is needed to further explore the utility of the self-determination theory in this context.
Original languageEnglish
Pages (from-to)42-52
JournalJournal of Aging and Physical Activity
Volume28
Issue number1
Early online date12 Jun 2019
DOIs
Publication statusPublished - 1 Feb 2020

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