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Comparison of the Effects of Cognitive Behavioral Therapy and Behavioral Treatment on Obesity Treatment by Patient Subtypes: A Systematic Review and Meta-analysis

  • Journal of Korean Medicine for Obesity Research
  • Abbr : J Korean Med Obes Res
  • 2020, 20(2), pp.178-192
  • DOI : 10.15429/jkomor.2020.20.2.178
  • Publisher : The Society of Korean Medicine for Obesity Research
  • Research Area : Medicine and Pharmacy > Korean Medicine
  • Received : October 26, 2020
  • Accepted : November 21, 2020
  • Published : December 30, 2020

Jin-Young Cha 1 Seo-Young Kim 2 Shin In-Soo 3 Young-Bae Park 1 Young-Woo Lim 1

1누베베 미병연구소
2누베베 한의원 분당점
3동국대학교 교육대학원

Accredited

ABSTRACT

Objectives: The present study aimed to compare the impacts of cognitive behavioral therapy (CBT) and behavioral treatment (BT) on weight loss and psychological outcomes among patients with three different subtypes of obesity: simple obesity, obesity with binge eating disorder, and obesity with depression. Methods: Embase, PubMed, the Cochrane Central Register of Controlled Trials, Research Information Sharing Service, and Korean Studies Information Service System were systematically searched for randomized controlled trials conducted on or before May 2020, that used CBT to treat obesity. Methodological quality was assessed using Cochrane’s risk of bias tool 2 and publication bias was evaluated through the funnel plot using the trim and fill method, Egger’s test, and Begg and Mazumdar rank correlation test. A meta-analysis was conducted using a random-effects model and the standardized mean difference with 95% confidence interval (CI) was used to determine effect size. Results: Twenty-one randomized controlled trials with a total of 22 intervention arms and 2,590 patients were included. Our study results revealed that the effects of CBT, compared with BT, on weight loss distinctly differed across all patient subgroups. In the simple obesity group, CBT was more effective than BT (Hedges’ g=0.138, CI=0.012~0.264); however, in the obesity with binge eating disorder group, BT was more effective than CBT (Hedges’ g=-0.228, CI=-0.418~-0.038); in the obesity with depression group, the effect of CBT was not statistically different from that of BT (Hedges’ g=0.276, CI=-0.307~0.859). Further studies with larger sample sizes are required to confirm the outcomes observed in this study. Conclusions: Our results indicated that the effects of CBT on obesity treatment vary based on patient subtype. Therefore, our findings suggest that CBT or BT should be selectively recommended as a treatment strategy for different obesity subtypes.

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