Randomized trial of Tapas Acupressure Technique for weight loss maintenance

Charles R Elder, Christina M Gullion, Lynn L Debar, Kristine L Funk, Nangel M Lindberg, Cheryl Ritenbaugh, Gayle Meltesen, Cherri Gallison, Victor J Stevens, Charles R Elder, Christina M Gullion, Lynn L Debar, Kristine L Funk, Nangel M Lindberg, Cheryl Ritenbaugh, Gayle Meltesen, Cherri Gallison, Victor J Stevens

Abstract

Background: Obesity is an urgent public health problem, yet only a few clinical trials have systematically tested the efficacy of long-term weight-loss maintenance interventions. This randomized clinical trial tested the efficacy of a novel mind and body technique for weight-loss maintenance.

Methods: Participants were obese adults who had completed a six-month behavioral weight-loss program prior to randomization. Those who successfully lost weight were randomized into either an experimental weight-loss maintenance intervention, Tapas Acupressure Technique (TAT®), or a control intervention comprised of social-support group meetings (SS) led by professional facilitators. TAT combines self-applied light pressure to specific acupressure points accompanied by a prescribed sequence of mental steps. Participants in both maintenance conditions attended eight group sessions over six months of active weight loss maintenance intervention, followed by an additional 6 months of no intervention. The main outcome measure was change in weight from the beginning of the weight loss maintenance intervention to 12 months later. Secondary outcomes were change in depression, stress, insomnia, and quality of life. We used analysis of covariance as the primary analysis method. Missing values were replaced using multiple imputation.

Results: Among 285 randomized participants, 79% were female, mean age was 56 (standard deviation (sd) = 11), mean BMI at randomization was 34 (sd = 5), and mean initial weight loss was 9.8 kg (sd = 5). In the primary outcome model, there was no significant difference in weight regain between the two arms (1.72 kg (se 0.85) weight regain for TAT and 2.96 kg (se 0.96) weight regain for SS, p < 0.097) Tests of between- arm differences for secondary outcomes were also not significant. A secondary analysis showed a significant interaction between treatment and initial weight loss (p < .036), with exploratory post hoc tests showing that greater initial weight loss was associated with more weight regain for SS but less weight regain for TAT.

Conclusions: The primary analysis showed no significant difference in weight regain between TAT and SS, while secondary and post hoc analyses indicate direction for future research.

Trial registration: ClinicalTrials.gov NCT00526565.

Figures

Figure 1
Figure 1
Study Design.
Figure 2
Figure 2
The TAT pose.
Figure 3
Figure 3
Flow of Study Participants.
Figure 4
Figure 4
Relationship of initial weight loss to weight regain, by treatment arm.

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