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Physical Activity and Sedentary Behavior in Bariatric Patients Long-Term Post-Surgery

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To measure sedentary behaviors and physical activity using accelerometry in participants who have undergone bariatric surgery 8.87 ± 3.78 years earlier and to compare these results with established guidelines.


Participants’ weight and height were measured, an ActivPAL™3 accelerometer and sleeping journal were used to determine day sedentary time, transitions from sitting to standing, as well as steps/day, and participants were asked to indicate if they felt that they were currently less, the same, or more active than before surgery.


Participants averaged 48 ± 15 transitions/day, 6375 ± 2690 steps/day, and 9.7 ± 2.3 h/day in sedentary positions. There was a negative correlation between steps/day and sedentary time (r = −.466, p ≤ .001), 11.27 % of participants achieved 10,000 steps/day. Participants who reported being more active prior to surgery averaged 6323.4 ± 2634.79 steps/day, which was not different from the other two groups of self-perceived change in level of physical activity (F (2, 68) = .941, p ≤ .05) from pre- to post-surgery.


Participants were inadequately active and overly sedentary compared to established guidelines and norms. Healthcare workers should be taking physical activity and sedentary time into account when creating post-surgical guidelines for this population to ensure the best long-term weight loss maintenance and health outcomes.

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Ryan ER. Reid was involved in data collection, data analysis, data interpretation, the literature search, the generation of figures, and writing of the manuscript. Dr. Tamara E. Carver was involved in study design, data collection, data analysis, and interpretation. Kathleen M. Andersen was involved in data collection and data analysis. Dr. Olivier Court helped in the recruitment of participants and provided key information pertaining to this unique population which helped in the literature search and study design. Dr. Ross E Andersen participated in the study design, data analysis, data interpretation, the literature search, the generation of figures, and writing the manuscript.

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The authors declare that they have no conflict of interest.

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Correspondence to Ryan E. R. Reid.

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Reid, R.E.R., Carver, T.E., Andersen, K.M. et al. Physical Activity and Sedentary Behavior in Bariatric Patients Long-Term Post-Surgery. OBES SURG 25, 1073–1077 (2015).

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