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Only a small proportion of eligible individuals undergo bariatric surgery. The purpose was to examine attrition to surgery and whether psychiatric symptoms and eating behaviors differentially predicted attrition among men and women.Data was collected from a retrospective chart review of 313 patients who underwent a pre-surgical psychosocial evaluation.The overall attrition rate was 33.5%; 42.6% of men and 31.7% of women experienced attrition. In the multivariate analysis of the entire sample, White patients (OR = 2.33, CI: 1.33, 4.08) and those without a history of binge eating (OR = 2.71, CI: 1.23, 5.97) were more likely to undergo surgery. In a multivariate analysis of women only, race and binge eating independently predicted attrition; however, no factors significantly predicted attrition among men.Factors identified at the pre-surgical psychosocial evaluation can identify patients at risk for attrition, and these factors may differ for men and women.

Patients undergoing bariatric surgery are at risk for devloping an alcohol use disorder (AUD). The purpose of this study was to investigate pre-surgical psychosocial risk factors for post-surgical alcohol consumption and hazardous drinking. Participants (N = 567) who underwent bariatric surgery between 2014 and 2017 reported their post-surgical alcohol use. Information was collected from the pre-surgical evaluation including history of alcohol use, psychiatric symptoms, and maladaptive eating behaviors (i.e., binge eating, purging, and emotional eating). Younger age and pre-surgical alcohol use predicted post-surgical alcohol use and hazardous drinking. In addition, higher levels of depressive symptoms and maladaptive eating patterns predicted post-surgical binge drinking. Clinicians conducting pre-surgical psychosocial evaluations should be aware of the multiple risk factors related to post-surgical problematic alcohol use. Future research should evaluate whether preventive interventions for high-risk patients decrease risk for post-surgical alcohol misuse.