Targeting Transdiagnostic Self-regulatory Factors and Eating Disorder Pathology Among Adults With BInge-spectrum Eating disOrders: A mHEALTH Interoceptive Exposure Intervention (the Bio-HEALTH Study)

Inclusion Criteria

• •ages 18-64;
• •no changes to ED treatment in the past 4-weeks;
• •agree not to access other eating disorder treatments throughout the studies (unless warranted by a worsening of participants' symptoms during the study period; see Monitoring Participant Safety for more information);
• •no bariatric surgery (prior or planned during the study period);
• •no pregnancy or lactation (current or planned during the study);
• •own an Apple or Android-brand iOS smartphone (which is required for compatibility with the apps used in this study;
• •reside in the continental U.S.;
• •meet Diagnostic and Statistical Manual of Mental Disorders-5-TR (DSM-5-TR) criteria for binge eating disorder (BED) or bulimia nervosa (BN), both of which include objective binge eating (i.e., consuming a larger amount of food than most people would eat in a similar period of time under similar circumstances with loss of control over eating during the episode) ≥1x/week over the past 3 months (APA, 2022). Single-item questions will determine eligibility via criteria 1-7. Criterion 8 for will be determined via the Eating Disorder Diagnostic Scale for the DSM-5 (EDDS-5; Stice et al., 2000, 2004), which has exhibited good sensitivity (.88), specificity (.98), and positive predictive power (.74) for detecting EDs among community samples (Stice et al., 2000, 2004).