Patterns of Change in Device-Based Physical Activity and Sedentary Time Following Bariatric Surgery: a Longitudinal Observational Study

Purpose The aim of this study is to investigate changes in physical activity (PA) and sedentary time (ST) over 12 months following bariatric surgery. Methods Pre-surgery and at 3, 6, 9, and 12 months post-surgery, wearable devices were used to measure PA at different intensities, grouped according t...

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Bibliographic Details
Published in:Obesity surgery 2021-07, Vol.31 (7), p.3015-3025
Main Authors: Zabatiero, Juliana, Smith, Anne, Gucciardi, Daniel F., Hamdorf AM, Jeffrey M., Taylor, Susan F., Hill, Kylie
Format: Article
Language:English
Subjects:
Body composition
Exercise
Gastrointestinal surgery
Medicine
Medicine & Public Health
Observational studies
Original Contributions
Physical fitness
Sedentary behavior
Surgery
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Summary:Purpose The aim of this study is to investigate changes in physical activity (PA) and sedentary time (ST) over 12 months following bariatric surgery. Methods Pre-surgery and at 3, 6, 9, and 12 months post-surgery, wearable devices were used to measure PA at different intensities, grouped according to energy expenditure and daily step count, and ST. Measures were also collected of weight and self-efficacy for exercise. Pre- and 12 months post-surgery, measures were collected of body composition and cardiovascular fitness. Results Thirty adults scheduled for bariatric surgery were recruited (20 females, 44.1 [range, 22.0 to 65.0] years, body mass index 39.6 [range, 30.9 to 50.9] kg/m 2 ). When compared to pre-surgery measures, over the 12 months post-surgery, there were no changes in the percentage of waking hours (mean [95% CI]) spent in ST (− 2% [− 6 to 3]), light intensity PA (1% [− 3 to 5]), and moderate-to-vigorous intensity PA (1% [− 1 to 3]). At all time points, participants spent most (> 70%) of their waking hours accumulating ST, with little time spent in light intensity PA (~ 21%) and almost no time in moderate-to-vigorous intensity PA (~ 5%). Step count and cardiovascular fitness were also unchanged. There were significant changes in weight, self-efficacy for exercise, and body composition. Conclusions Although bariatric surgery resulted in substantial weight loss and improved self-efficacy for exercise, it was insufficient to effect change in PA, ST or cardiovascular fitness. Complementing surgical intervention with behavioral interventions may optimize change in PA and ST. Graphical abstract
ISSN:0960-8923
1708-0428
DOI:10.1007/s11695-021-05337-6