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- Title
Predictors of treatment response durability in psychotherapy for binge‐eating disorder: Examining the roles of self‐discrepancy, self‐directed style, and emotion dysregulation.
- Authors
Hazzard, Vivienne M.; Peterson, Carol B.; Crosby, Ross D.; Schaefer, Lauren M.; Smith, Kathryn E.; Engel, Scott G.; Crow, Scott J.; Wonderlich, Stephen A.
- Abstract
Objective: To examine changes in hypothesized maintenance mechanisms during treatment as predictors of treatment response durability in binge‐eating disorder (BED) treatment, using data from a randomized clinical trial comparing the efficacy of Integrative Cognitive‐Affective Therapy for BED with cognitive‐behavioral therapy delivered using guided self‐help. Method: Adults with BED (N = 112) received 17 weeks of treatment. Regression models were conducted to examine the extent to which changes in hypothesized maintenance mechanisms from baseline to end of treatment predicted treatment outcomes at 6‐month follow‐up, adjusting for demographics, study site, and baseline level of treatment outcome. Results: During‐treatment reductions in negative self‐directed style and emotion dysregulation predicted reductions in the primary treatment outcome (i.e., binge‐eating episode frequency) at follow‐up. During‐treatment reductions in emotion dysregulation also predicted improvements at follow‐up across all three secondary treatment outcomes examined (i.e., global eating disorder [ED] psychopathology, depressive symptoms, and anxiety symptoms), as did during‐treatment reductions in actual‐ideal self‐discrepancy and actual‐ought self‐discrepancy. Increases in positive self‐directed style (e.g., self‐affirmation) and reductions in negative self‐directed style (e.g., self‐blame) during treatment each predicted improvements in anxiety symptoms at follow‐up. When predictors were examined simultaneously, the most salient predictors of treatment response durability identified were negative self‐directed style for binge‐eating episode frequency, actual‐ought self‐discrepancy and emotion dysregulation for depressive symptoms, and emotion dysregulation for anxiety symptoms. No predictors emerged as most salient for global ED psychopathology. Discussion Results indicate that negative self‐directed style and emotion dysregulation are particularly important treatment targets in relation to behavioral treatment outcomes in BED.
- Subjects
TREATMENT of eating disorders; ANXIETY; MENTAL depression; EMOTIONS; PATIENT aftercare; PSYCHOTHERAPY; REGRESSION analysis; HEALTH self-care; SELF-management (Psychology); SELF-perception; TREATMENT effectiveness; TREATMENT duration; DESCRIPTIVE statistics
- Publication
International Journal of Eating Disorders, 2020, Vol 53, Issue 12, p1918
- ISSN
0276-3478
- Publication type
Article
- DOI
10.1002/eat.23389