BariFit: Mobile health intervention to improve physical activity after bariatric surgery
ISPAH ePoster Library. Rosenberg D. Oct 15, 2018; 225528; 192
Dr. Dori Rosenberg
Dr. Dori Rosenberg
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Abstract Introduction:<\b>
Physical activity remains low after bariatric surgery. Mobile health holds promise for supporting improvements in physical activity, particularly when embedded in clinical care. We developed and tested the feasibility of the BariFit intervention to increase walking after bariatric surgery. Methods:<\b>
Participants were recruited at Kaiser Permanente Washington at their post-operative visit (N = 45 completers; mean age = 45, % female = 84; mean pre-surgery BMI = 42.0). Between 1-2 months post-surgery, participants were given several commercial mHealth tools (Fitbit Charge 2, Fitbit app, and Withings scale), text messages providing daily adaptive step goals and contextually-tailored suggestions for 4 months, and progress reports at surgery follow-up visits. Step counts were assessed using the activPAL worn for 7 days before starting Barifit (baseline) and 4 months later and with Fitbit data from the first and last 2 weeks of the intervention. Results:<\b>
Among 27 participants with valid activPAL data, step counts increased by 1371 steps on average (p = .07). Among 43 participants with valid Fitbit data, mean step counts increased by 350 steps/day (p = .27).Conclusions: Fitbit data was available for a larger number of participants but showed that steps improved only slightly over the course of the intervention; however, the Fitbit data did not have a true baseline level of steps. activPAL data collection was problematic in this population though those with activPAL data (i.e. a true baseline step count) had improvements in steps with a highly scalable and low-burden mHealth intervention warranting further investigation.
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