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Changes in enjoyment, self-efficacy, and motivation during a randomized trial to promote habitual physical activity adoption in bariatric surgery patients.

ABSTRACT: BACKGROUND:The Bari-Active trial found that a physical activity (PA) intervention (PAI), versus standard presurgical care control (SC), produced significant increases in daily bout-related moderate-to-vigorous PA (MVPA, in?10-min bouts) preoperatively. The present study examined whether PAI also produces superior improvements in psychological and/or motivational processes that may be important for PA adoption. OBJECTIVES:Compare PAI and SC on baseline to postintervention changes in PA-related enjoyment, self-efficacy, and motivations, and examine whether greater bout-related MVPA changes are associated with greater improvements in these variables. SETTING:University hospital, United States. METHODS:Participants (87% female; body mass index = 45.0±6.5 kg/m(2)) were randomly assigned to 6 weeks of PAI (n = 40) or SC (n = 35). PAI received weekly counseling sessions to increase daily walking exercise. At baseline and postintervention, both groups completed 7-day objective PA monitoring and questionnaires to evaluate changes in bout-related MVPA and PA enjoyment, self-efficacy, and motivation. RESULTS:Retention was 84% at postintervention. Intent-to-treat analyses showed that PAI on average reported more favorable changes than SC in PA enjoyment, self-efficacy, amotivation (i.e., lack of PA motivation), and identified and intrinsic regulations (i.e., more autonomous PA motivations; P<.01). In PAI completers (n = 33), changes in bout-related MVPA and psychological/motivational variables were unrelated. CONCLUSION:PAI produced greater improvements in PA-related enjoyment, self-efficacy, and motivations than SC. The lack of association between objectively measured PA changes and psychological/motivational processes highlights the need for future research to identify which processes are most important for PA adoption and maintenance in bariatric surgery patients, and to determine whether the method used to measure PA affects the pattern of association.

SUBMITTER: Bond DS

PROVIDER: S-EPMC4987239 | biostudies-literature | 2016 Jun

REPOSITORIES: biostudies-literature

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Changes in enjoyment, self-efficacy, and motivation during a randomized trial to promote habitual physical activity adoption in bariatric surgery patients.

Bond Dale S DS Graham Thomas J J Vithiananthan Sivamainthan S Webster Jennifer J Unick Jessica J Ryder Beth A BA Pohl Dieter D

Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery 20160217 5

<h4>Background</h4>The Bari-Active trial found that a physical activity (PA) intervention (PAI), versus standard presurgical care control (SC), produced significant increases in daily bout-related moderate-to-vigorous PA (MVPA, in≥10-min bouts) preoperatively. The present study examined whether PAI also produces superior improvements in psychological and/or motivational processes that may be important for PA adoption.<h4>Objectives</h4>Compare PAI and SC on baseline to postintervention changes i ...[more]

PMID: 27246138

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Project description:BACKGROUND:Physical activity (PA) can support cancer patients during medical treatment by reducing side-effects and increasing quality of life. However, PA levels mostly decline after diagnosis. Which factors can explain if patients are able to remain or even increase their PA level? Self-efficacy is an important cognitive factor that has been linked to cancer patients' PA across many studies. In contrast, affective factors such as PA enjoyment have rarely been examined. We compare the influence of self-efficacy and PA enjoyment on cancer patients' PA levels after completion of an exercise or stress-management intervention. METHODS:Outpatient cancer patients [N = 72; 54% female; M = 56 years, SD = 12.34; most with breast or colon cancer (34%, 15%)] were enrolled in the MOTIVACTION study, a 4-week intervention (1 h counseling followed by weekly phone calls), with pre-test (T1), post-test (T2), and a 10-week follow-up (T3). Participants were randomized to either an exercise intervention (emphasizing self-regulatory strategies for behavior change) or to a stress management intervention (coping and relaxation techniques). Sixty-seven patients remained in the study and completed the SQUASH assessment of PA, a measure of maintenance self-efficacy (7 items, Cronbach's ? = 0.88) and PA enjoyment (2 items, Cronbach's ? = 0.89). Regression analyses were calculated with PA level (at T2 and T3) as dependent variable and relative weight analyses were conducted. The study was registered at clinicalTrials.gov (unique identifier:NCT01576107; URL: https://clinicaltrials.gov/ct2/show/NCT01576107?term=motivaction&rank=1). RESULTS:Baseline self-efficacy and change in PA enjoyment significantly predicted cancer patients' PA level at T2 adjusting for baseline PA and type of intervention. Relative weight (RW) analysis revealed that PA enjoyment (baseline and change together) explained 34.3% of the dependent variable, self-efficacy (baseline and change) explained 38.4%. At follow-up, self-efficacy was still a significant predictor of PA (RW = 74.6%), whereas PA enjoyment was no longer a relevant factor (RW = 5.2%). CONCLUSION:The affective factor PA enjoyment was equally important as self-efficacy for predicting cancer patient' PA level directly after completion of the intervention. Reasons for the reduced relevance at follow-up and a broader range of affective factors should be analyzed in future studies on cancer patients' PA level.

Dataset Information

Changes in enjoyment, self-efficacy, and motivation during a randomized trial to promote habitual physical activity adoption in bariatric surgery patients.

Publications

Changes in enjoyment, self-efficacy, and motivation during a randomized trial to promote habitual physical activity adoption in bariatric surgery patients.

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