Jessica Gokee LaRose1, Joseph L Fava2, Autumn Lanoye3, Laura J Caccavale4. 1. Associate Professor, Virginia Commonwealth University School of Medicine, Department of Health Behavior and Policy, Richmond, VA;, Email: jessica.larose@vcuhealth.org. 2. Research Associate, The Miriam Hospital Weight Control and Diabetes Research Center, Providence, RI. 3. Postdoctoral Fellow, Virginia Commonwealth University School of Medicine, Department of Health Behavior and Policy, Richmond, VA. 4. Postdoctoral Fellow, Children's Hospital of Richmond at Virginia Commonwealth University, Healthy Lifestyles Center, Richmond, VA.
Abstract
Objectives: Predictors of success among emerging adults (EAs; ages 18-25) within behavioral weight loss (BWL) trials are largely unknown. We examined whether early program engagement predicted overall engagement and weight loss in EAs. Methods: Data were pooled from 2 randomized controlled pilot trials in EAs. Participants (N = 99, 80% female, BMI = 33.7±5.1 kg/m²) received a 3-month BWL intervention. Weight was objectively assessed at 0 and 3 months; engagement was tracked weekly; retention was assessed at 3 months. Results: Greater engagement during the initial 4 weeks of treatment predicted greater weight loss (p = .001). Compared to those who did not engage in all 4 initial weeks, participants meeting this threshold experienced greater overall engagement (9.6 vs 4.2 weeks, p < .001), weight losses (intent-to-treat = -3.8% vs -1.3%, p = .004), and retention (78% vs 53%, p = .012). Conclusions: Early engagement in BWL is associated with better outcomes among EAs. Monitoring engagement in real-time during the initial 4 weeks of treatment may be necessary to intervene effectively. Early engagement did not vary by sex or race; future work should identify characteristics associated with poor early engagement.
RCT Entities:
Objectives: Predictors of success among emerging adults (EAs; ages 18-25) within behavioral weight loss (BWL) trials are largely unknown. We examined whether early program engagement predicted overall engagement and weight loss in EAs. Methods: Data were pooled from 2 randomized controlled pilot trials in EAs. Participants (N = 99, 80% female, BMI = 33.7±5.1 kg/m²) received a 3-month BWL intervention. Weight was objectively assessed at 0 and 3 months; engagement was tracked weekly; retention was assessed at 3 months. Results: Greater engagement during the initial 4 weeks of treatment predicted greater weight loss (p = .001). Compared to those who did not engage in all 4 initial weeks, participants meeting this threshold experienced greater overall engagement (9.6 vs 4.2 weeks, p < .001), weight losses (intent-to-treat = -3.8% vs -1.3%, p = .004), and retention (78% vs 53%, p = .012). Conclusions: Early engagement in BWL is associated with better outcomes among EAs. Monitoring engagement in real-time during the initial 4 weeks of treatment may be necessary to intervene effectively. Early engagement did not vary by sex or race; future work should identify characteristics associated with poor early engagement.
Authors: Jessica Gokee LaRose; Deborah F Tate; Autumn Lanoye; Joseph L Fava; Elissa Jelalian; Megan Blumenthal; Laura J Caccavale; Rena R Wing Journal: J Health Psychol Date: 2017-01-29
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