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- Title
Adding Evidence-Based Behavioral Weight Loss Strategies to a Statewide Wellness Campaign: A Randomized Clinical Trial.
- Authors
Leahey, Tricia M.; Thomas, Graham; Fava, Joseph L.; Subak, Leslee L.; Schembri, Michael; Krupel, Katie; Kumar, Rajiv; Weinberg, Brad; Wing, Rena R.
- Abstract
Objectives. We determined the efficacy and cost-effectiveness of adding an evidence-based Internet behavioral weight loss intervention alone or combined with optional group sessions to ShapeUp Rhode Island 2011 (SURI), a 3-month statewide wellness campaign. Methods. We randomized participants (n = 230; body mass index = 34.3 ±6.8 kg/m(2); 84% female) to the standard SURI program (S) or to 1 of 2 enhanced programs: SURI plus Internet behavioral program (SI) or SI plus optional group sessions (SIG). The primary outcome was weight loss at the end of the 3-month program. Results. Weight losses differed among all 3 conditions (S: 1.1% ±0.9%; SI: 4.2% ±0.6%; SIG: 6.1% ±0.6%; Ps ≤ .04). Both SI and SIG increased the percentage of individuals who achieved a 5% weight loss (SI: 42%; SIG: 54%; S: 7%; Ps < .001). Cost per kilogram of weight loss was similar for S ($39) and SI ($35); both were lower than SIG ($114). Conclusions. Although weight losses were greatest at the end of SURI with optional group sessions, the addition of an Internet behavioral program was the most cost-effective method to enhance weight losses.
- Subjects
RHODE Island; HEALTH promotion; ANALYSIS of variance; BEHAVIOR modification; CHI-squared test; COMPARATIVE studies; CONFIDENCE intervals; COST effectiveness; INTERNET; LONGITUDINAL method; EVALUATION of medical care; STATISTICAL sampling; WEIGHT loss; EVIDENCE-based medicine; PROFESSIONAL practice; GROUP process; RANDOMIZED controlled trials; DESCRIPTIVE statistics
- Publication
American Journal of Public Health, 2014, Vol 104, Issue 7, p1300
- ISSN
0090-0036
- Publication type
Article
- DOI
10.2105/AJPH.2014.301870