Disordered Eating Post Bariatric Surgery

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Project details

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Erin Greenland
Disordered eating refers to numerous irregular eating behaviours that do not meet criteria for an eating disorder diagnosis, but that impede daily functioning. Previous research has found high levels of disordered eating psychopathology within obese individuals, and these levels are particularly elevated in obese individuals seeking bariatric surgery. Despite this, relatively little is known about disordered eating patterns post-surgery. Binging and grazing are two of the most prevalent disordered eating behaviours post-surgery, and both are related to poorer weight loss outcomes and elevated psychological distress post-surgery. Previous research suggests that binge eating generally improves post-surgery, but there consistently remains a subgroup of binge-eaters who do not. Further, researchers have noted a post-operative shift towards grazing after surgery among pre surgery binge-eaters. Post-surgical disordered eating may impede successful weight loss. The influences of disordered eating post-surgery are unknown, but in other populations, disordered eating is influenced by a range of psychological factors, such as body image disturbance and dissatisfaction, depression, anxiety, restraint, disinhibition, self-efficacy, autonomy, hunger and self-esteem. This study aims to describe disordered eating post-surgery and determine which psychological factors accurately predict the presence of disordered eating post-surgery. An understanding of the prevalence and predictors of post-surgical disordered eating behaviour can inform interventions aimed at reducing disordered eating and improving surgical outcomes.

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Supervisors supervising this project

Associate Professor Leah Brennan Principal Supervisor

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