Research
Review
Behavior Therapy and Cognitive-Behavioral Therapy of Obesity: Is There a Difference?

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Abstract

Current practice guidelines for management of overweight and obesity recommend a program of diet, exercise, and behavior therapy for all persons with a body mass index (calculated as kg/m2) of at least 30 (and those with body mass index ≥25 plus two weight-related comorbidities). In this tripartite treatment—often referred to as lifestyle modification—behavior therapy provides a structure that facilitates meeting goals for energy intake and expenditure. Although standard behavior therapy reliably induces mean weight losses of approximately 10% of initial weight, these reductions are difficult to maintain. Some authors argue that a shift in focus from behavior change to cognitive change will improve long-term results of lifestyle modification programs. This review describes, in detail, the standard behavioral treatment of obesity and compares it with an alternative treatment model that is based in a cognitive conceptualization of weight control. A review of the literature suggests that the differences between standard behavior therapy and cognitive-behavioral therapy of obesity lie more in their underlying theories than in their implementation. Empirical comparisons of the long-term effects of these approaches are needed.

Section snippets

Standard Behavior Therapy of Obesity

Historically, behavioral weight-loss programs included weekly sessions of 60 to 90 minutes each, for approximately 6 months, and induced mean weight losses of approximately 10% of initial weight (19). Without continued treatment, however, participants usually regained approximately one third of their lost weight within the first 6 months after treatment ended and returned to their baseline weights within 5 years (20). Perri and colleagues found that weight regain could be minimized by offering

Conclusions

The question of whether cognitive change precedes and causes behavior change or vice versa has been the subject of theoretical debate and empirical scrutiny for several decades. Current research methods are unlikely to settle this issue definitively in laboratory settings and much less likely to identify whether cognitive or behavioral change is primary in the successful maintenance of a weight loss achieved in lifestyle modification. Randomized controlled trials of standard and CBT-based

A. N. Fabricatore is an assistant professor of Psychology in Psychiatry, Center for Weight and Eating Disorders, University of Pennsylvania School of Medicine, Philadelphia.

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    A. N. Fabricatore is an assistant professor of Psychology in Psychiatry, Center for Weight and Eating Disorders, University of Pennsylvania School of Medicine, Philadelphia.

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