Quality of Life, BMI, and Physical Activity in Bariatric Surgery Patients: a Structural Equation Model
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ORIGINAL CONTRIBUTIONS
Quality of Life, BMI, and Physical Activity in Bariatric Surgery Patients: a Structural Equation Model Lara Belmudes Bottcher 1 & Paulo Felipe Ribeiro Bandeira 2 & Nélio Barreto Vieira 3 & Victor Zaia 4 & Roberto Lopes de Almeida 5
# Springer Science+Business Media, LLC, part of Springer Nature 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. Keywords Quality of Life . BMI . Physical Activity . Bariatric Surgery * Lara Belmudes Bottcher [email protected] 1
Stricto Sensu Program in Health Sciences at Centro Universitário Saúde ABC, Faculdade de Medicina do ABC (FMABC), Av. Lauro Gomes, 2000-Vila Sacadura Cabral, Santo André, SP 09060-870, Brazil
2
Grupo de Estudo, Avaliação e Pesquisa em Avaliação Motora – GEAPAM, Departament of Biological Sciences and Health of the Regional University of Cariri, Rua Cel. Antônio Luis, 1161, Pimenta, Crato-CGrupo de Estudo 63105-000, Brazil
3
Stricto Sensu Program in Health Sciences at Centro Universitário Saúde ABC, Faculdade de Medicina do ABC (FMABC), Av. Lauro Gomes, 2000 - Vila Sacadura Cabral, Santo André, SP 09060-870, Brazil
4
Research an Innovation of the Centro Universitário Saúde ABC, Faculdade de Medicina do ABC (FMABC), Av. Lauro Gomes, 2000 - Vila Sacadura Cabral, Santo André, SP 09060-870, Brazil
5
Department of Morphology and Physiology, Centro Universitário Saúde ABC (FMABC), Faculdade de Medicina do ABC, Av. Lauro Gomes, 2000 - Vila S
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