Abstract
Although binge eating is associated with impulsivity, clinical reports suggest that some individuals with bulimia nervosa (BN) and binge eating disorder (BED) plan binge episodes in advance. This study is the first to examine: (1) the frequency of binge planning (BP; defined as both advanced knowledge that a binge episode will occur and taking steps to facilitate the binge episode); (2) associations of BP with ED severity, and (3) whether BP serves a negative reinforcement function. Patients with BN- and BED-spectrum eating disorders (EDs; n = 111) were administered semi-structured interview questions regarding BP. Results indicate that a substantial minority of patients (27.8%) engage in BP. BP was significantly more common in BN versus BED-spectrum EDs (38.3% versus 20.6%, p = 0.04) and in those who did versus did not endorse self-induced vomiting (50.0% versus 21.3%, p < 0.01). Frequency of BP was positively associated with overall ED psychopathology (r = 0.19, p < 0.05). Exploratory analyses indicated that approximately two-thirds (67.7%) reported that BP served to distract from unpleasant experiences. BP is present for a significant subset of patients and may play a critical role in the reinforcement cycles of binge eating. Future research should further elucidate the function of BP to inform treatment development.
Published Version
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