Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Association Between Weight Gain, Psychological, Sociodemographic Factors, and Physical Activity in Bariatric Patients: A Complex System

Version 1 : Received: 2 February 2021 / Approved: 4 February 2021 / Online: 4 February 2021 (11:59:54 CET)

How to cite: Vieira, N.B.; Bandeira, P.F.R.; Delmondes, G.; Bertoldi, R.; Cunha, G.; Soares, N.D.S.; Bottcher, L.B.; Almeida, R.L.D.; Vieira, M.E.; Salami, S.; Kerntopf, M.; Martins, C.; Zaia, V. Association Between Weight Gain, Psychological, Sociodemographic Factors, and Physical Activity in Bariatric Patients: A Complex System. Preprints 2021, 2021020134 (doi: 10.20944/preprints202102.0134.v1). Vieira, N.B.; Bandeira, P.F.R.; Delmondes, G.; Bertoldi, R.; Cunha, G.; Soares, N.D.S.; Bottcher, L.B.; Almeida, R.L.D.; Vieira, M.E.; Salami, S.; Kerntopf, M.; Martins, C.; Zaia, V. Association Between Weight Gain, Psychological, Sociodemographic Factors, and Physical Activity in Bariatric Patients: A Complex System. Preprints 2021, 2021020134 (doi: 10.20944/preprints202102.0134.v1).

Abstract

Weight gain affects about 10-20% of patients after bariatric surgery. It is a phenomenon that is difficult to understand and to intervene due to its complexity and etiological heterogeneity. In the present study, we investigated, from a network analysis perspective, the associations between weight regain, psychological, sociodemographic factors and physical activity in patients undergoing bariatric surgery. The sample consisted of 124 patients, of both sexes, aged 39 ± 9.1 years, who had undergone surgical intervention for more than 18 months. After voluntary consent, respondents answered questionnaires and instruments directly on the Google Forms platform. The results indicated that weight gain was negatively associated with the items of depression, anxiety and stress, binge eating and with the dimensions of the personality questionnaire (negative affectivity -0.182; detachment -0.078; antagonism -0.107; disinterest - 0.198 and psychoticism -0.158). The centrality indicators revealed that the characteristics of disinterest and negative affectivity and most of the items on the depression, anxiety and stress scale had a greater expected influence (values ​​from 1,043 to 1,502), indicating that these are the most sensitive variables to intervention and who need more attention from health professionals.

Subject Areas

obesity; bariatric surgery; adaptive complex system; network analysis.

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