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01-08-2020 | Bariatric Surgery | Original Contributions

Quality of Life, BMI, and Physical Activity in Bariatric Surgery Patients: a Structural Equation Model

Authors: Lara Belmudes Bottcher, Paulo Felipe Ribeiro Bandeira, Nélio Barreto Vieira, Victor Zaia, Roberto Lopes de Almeida

Published in: Obesity Surgery | Issue 8/2020

Abstract

Purpose

The purpose of this study was to use a structural equation model to clarify how physical activity (PA), sex, and BMI relate to quality of life (QoL) of post-bariatric surgery patients.

Methods

The study had a retrospective cohort design for a convenience sample population of 886 bariatric subjects (38 ± 8.49 years). QoL was assessed using World Health Organization Quality of Life-BREF, PA using the International Physical Activity Questionnaire, and BMI values were calculated. Structural equation analysis was conducted in Mplus.

Results

The physical domain presented positive relationships with BMI (p = 0.014) and the very active group and negative with the insufficiently active A and B groups and sex (p < 0.001). The psychological domain presented negative associations with BMI and the very active group and positive with the insufficiently active A group. The social relations domain presented negative associations with BMI (p < 0.009) and the very active group (p < 0.002) and positive with the insufficiently active A (p < 0.007) and B (p < 0.019) groups. The environmental domain was negatively associated with BMI (p < 0.004) and the very active group (p < 0.001) and positively with the insufficiently active B group (p < 0.049) and sex (p < 0.018).

Conclusion

BMI is a negative predictor of QoL in bariatric patients and this trend was not observed in the physical domain only; also, the very active group was negatively associated with QoL. We believe that distortions in body weight/body size extend to PA, and research is needed to explore the psychological factors underlying the overestimation of the amount of PA performed.

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Title: Quality of Life, BMI, and Physical Activity in Bariatric Surgery Patients: a Structural Equation Model
Authors: Lara Belmudes Bottcher
Paulo Felipe Ribeiro Bandeira
Nélio Barreto Vieira
Victor Zaia
Roberto Lopes de Almeida
Publication date: 01-08-2020
Publisher: Springer US
Keywords: Bariatric Surgery
Bariatric Surgery
Published in: Obesity Surgery / Issue 8/2020
Print ISSN: 0960-8923
Electronic ISSN: 1708-0428
DOI: https://doi.org/10.1007/s11695-020-04615-z

Keynote webinar | Spotlight on sleep in brain health

Springer Medicine

Quality of Life, BMI, and Physical Activity in Bariatric Surgery Patients: a Structural Equation Model

Abstract

Purpose

Methods

Results

Conclusion

Keynote webinar | Spotlight on sleep in brain health

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusion

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