Although there are several recent reviews of the pre-operative factors that influence treatment outcome for bariatric surgery, commensurate efforts to identify and review the predictive validity of post-operative variables are lacking. This review describes the post-operative psychosocial predictors of weight loss in bariatric surgery. Results suggest empirical support for post-operative binge eating, uncontrolled eating/grazing, and presence of a depressive disorder as negative predictors of weight loss outcomes; whereas, adherence to dietary and physical activity guidelines emerged as positive predictors of weight loss. With the exception of depression, psychological comorbidities were not consistently associated with weight loss outcomes. Results highlight the need for post-operative assessment of disordered eating and depressive disorder, further research on the predictive value of post-operative psychosocial factors, and development of targeted interventions.
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We would like to thank Janna B. Howard, BS, and Elise C. Hartley for their contributions to this manuscript.
Conflict of Interest
Christine M. Peat, PhD, reports grants from Shire Pharmaceuticals, outside the submitted work. All other authors have no conflict of interest to declare.
Statement of Informed Consent
Informed consent was obtained from all individual participants included in the original studies reviewed here.
Statement of Human and Animal Rights
Procedures followed in the original studies reviewed here were in accordance with the ethical standards of the responsible committee on human experimentation and with the Helsinki Declaration of 1975, as revised in 2000.
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Sheets, C.S., Peat, C.M., Berg, K.C. et al. Post-operative Psychosocial Predictors of Outcome in Bariatric Surgery. OBES SURG 25, 330–345 (2015). https://doi.org/10.1007/s11695-014-1490-9