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Randomized Controlled Trial
. 2015 Nov;23(11):2175-82.
doi: 10.1002/oby.21238. Epub 2015 Sep 18.

The SELF trial: A self-efficacy-based behavioral intervention trial for weight loss maintenance

Lora E Burke  1   2   3 , Linda J Ewing  4 , Lei Ye  1   5 , Mindi Styn  1   2 , Yaguang Zheng  1 , Edvin Music  1 , India Loar  1 , Juliet Mancino  1 , Christopher C Imes  1 , Lu Hu  1 , Rachel Goode  6 , Susan M Sereika  1   2   3   5
Affiliations
Randomized Controlled Trial

The SELF trial: A self-efficacy-based behavioral intervention trial for weight loss maintenance

Lora E Burke et al. Obesity (Silver Spring). 2015 Nov.

Abstract

Objective: The SELF Trial examined the effect of adding individual self-efficacy (SE) enhancement sessions to standard behavioral weight loss treatment (SBT).

Methods: Participants were randomly assigned to SBT or SBT plus SE sessions (SBT+SE). Outcome measures were weight loss maintenance, quality of life, intervention adherence, and self-efficacy at 12 and 18 months.

Results: The sample (N = 130) was female (83.08%) with a mean (SD) body mass index of 33.15 (4.11) kg m(2) . There was a significant time effect for percent weight change (P = 0.002) yet no significant group or group-by-time effects. The weight loss for the SBT+SE group was 8.38% (7.48) at 12 months and 8.00% (7.87) at 18 months, with no significant difference between the two time points (P = 0.06). However, weight loss for the SBT group was 6.95% (6.67) at 12 months and 5.96% (7.35) at 18 months, which was significantly different between the two time points (P = 0.005), indicating that the SBT group had significant weight regain.

Conclusions: Both groups achieved clinically significant weight loss. The group receiving an intervention targeting enhanced self-efficacy had greater weight loss maintenance whereas the SBT group demonstrated significant weight regain possibly related to the greater attention provided to the SBT+SE group.

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Figures

Figure 1
Figure 1
CONSORT Figure
Figure 2
Figure 2
Adherence to attendance and intervention goals (y-axis=% of sample adherent; x-axis=weeks in protocol). Solid line = SBT group; Dashed line = SBT+SE group.
See this image and copyright information in PMC

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