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Accepted (AM)Open Access (License Unspecified), Open
Journal article
Long-Term Effects of an Internalized Weight Stigma Intervention: A Randomized Controlled Trial
Journal of consulting and clinical psychology, v 91(7), pp 398-410
01 Jul 2023
PMID: 37155264
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Objective: To test the long-term effects of a group-based, psychological intervention designed to reduce internalized weight stigma (IWS, i.e., self-stigma), delivered in combination with behavioral weight loss (BWL) treatment, compared to BWL alone. Method: Adults with obesity who had experienced and IWS (N = 105, M-age = 49 years, 90.5% women, 70.5% White, 24.8% Black, M-BMI = 38 kg/m(2)) were randomized to receive BWL with the Weight Bias Internalization and Stigma (BIAS) Program or BWL alone. Participants received weekly group treatment for 20 weeks, followed by 52 weeks of monthly and every-other-month sessions. Percent weight change at Week 72 was the primary outcome, with secondary outcomes of weight change at other time points; physical activity (measured by accelerometry, interview, and self-report); cardiometabolic risk factors; and psychological and behavioral outcomes. Intention-to-treat analyses used linear mixed models to test for between-group differences. Treatment acceptability was assessed. Results: Participants in the BWL + BIAS versus BWL group lost 2 percentage points more of baseline weight at Week 72, which was not a significant difference (mean weight change = -7.2% vs. -5.2%, 95% CI [-4.6 to 0.6], p = 0.14, d = 0.18). The BWL + BIAS (vs. BWL) group produced significantly greater improvements in weight self-stigma, eating self-efficacy, and some aspects of quality of life at specific time points. Most outcomes improved significantly over time but did not differ between groups. The trial had high retention and treatment acceptability, with higher ratings in the BWL + BIAS versus BWL group. Conclusions: No significant differences in weight loss were observed between the BWL + BIAS versus BWL group. Possible benefits of addressing weight stigma in weight management warrant further investigation.
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Details
- Title
- Long-Term Effects of an Internalized Weight Stigma Intervention: A Randomized Controlled Trial
- Creators
- Rebecca L. Pearl - Univ Florida, Coll Publ Hlth & Hlth Profess, Dept Clin & Hlth Psychol, POB 100165, Gainesville, FL 32610 USAThomas A. Wadden - College Station Medical CenterCaroline Bach - Southern Georgia Univ, Dept Psychol, Statesboro, GA USAErica M. LaFata - Drexel UniversityShiva Gautam - Univ Florida, Dept Biostat, Gainesville, FL USASharon Leonard - College Station Medical CenterRobert I. Berkowitz - College Station Medical CenterJanet D. Latner - University of Hawaii SystemJohn M. Jakicic - University of Kansas
- Publication Details
- Journal of consulting and clinical psychology, v 91(7), pp 398-410
- Publisher
- Amer Psychological Assoc
- Number of pages
- 13
- Grant note
- K23HL140176 / K23 Mentored Patient-Oriented Research Career Development Award from the National Heart, Lung, and Blood Institute of the National Institutes of Health
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Center for Weight, Eating and Lifestyle Science (WELL) [Historical]
- Web of Science ID
- WOS:000982271200001
- Scopus ID
- 2-s2.0-85163920540
- Other Identifier
- 991020836489604721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Psychology, Clinical