Effects of a dialectical behavior therapy-based skills group intervention for obese individuals: a Brazilian pilot study

• Published in: Eating and weight disorders Vol. 24; no. 6; pp. 1099 - 1111
• Main Authors: Cancian, Ana Carolina Maciel, de Souza, Lucas André Schuster, Liboni, Ronald Patrick Araujo, Machado, Wagner de Lara, Oliveira, Margareth da Silva
• Format: Journal Article
• Language: English
• Published: Cham Springer International Publishing 01.12.2019; Springer Nature B.V
• Subjects: Adaptation; Adult; Anorexia; Behavior modification; Brazil; Bulimia; Bulimia - psychology; Bulimia - therapy; Cognition & reasoning; Depression - psychology; Depression - therapy; Dialectical Behavior Therapy - methods; Eating disorders; Emotional Regulation; Emotions; Feasibility studies; Feeding Behavior; Female; Gastrointestinal surgery; Humans; Intervention; Male; Medicine; Medicine & Public Health; Middle Aged; Mindfulness; Obesity; Obesity - psychology; Obesity - therapy; Original Article; Pilot Projects; Psychiatry; Psychological Distress; Psychotherapy, Group - methods; Skill development; Skills; Weight control; Brazil; Obesity; Dialectical behavior therapy; Cognitive behaviour therapy; Binge eating; Emotion regulation
• ISSN: 1590-1262; 1124-4909; 1590-1262
• DOI: 10.1007/s40519-017-0461-2

Purpose This pilot study aimed to analyze the effects of an adapted dialectical behavior therapy (DBT) skills training group on problematic and adaptive eating behaviors in Brazilian obese individuals. Methods Thirty-one obese individuals were randomly assigned to 10 sessions of adapted DBT skills training ( n  = 14) or two months of a waiting list comparison condition ( n  = 17). Results Attrition rates were similar to what’s been found in comparable studies, with most dropouts happening at the beginning of the treatment. Results showed improvements in binge eating severity ( d  = 0.80) and depression ( d  = 0.82) compared to no treatment condition. After the intervention, adaptive eating and distress outcomes showed an improvement trend, reaching nonclinical levels for most participants in the intervention group. Large to moderate between-group effect sizes were observed, but none of those were statistically significant. Large within-group effect sizes were observed in the intervention group in binge eating severity ( d  = 1.34), intuitive eating ( d  = 1.33) and depression ( d  = 1.12). Medium effect sizes were observed in emotional eating ( d  = 0.73) and in emotion regulation ( d  = 0.72). Despite positive outcomes in other variables, mindful eating worsened after the intervention ( d  = 0.66). Conclusions These results are preliminary and require further replications with larger samples, yet they suggest that the intervention may be useful to improve distress outcomes and adaptive eating among obese people. Implications for clinical practice and recommendations for future research are discussed. Level of evidence Level I, randomized controlled trial.