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Friday, 16 July 2010: 8:30 AM
Learning Objective 1: discuss the self-regulation process related to Mindfulness-Based Stress Reduction(MBSR) and weight loss.
Learning Objective 2: identify variables related to weight loss that MBSR could influence; and discuss results and implications for further study.
Purpose: The specific aims were to explore the effects of a modified version of mindfulness-based stress reduction intervention added to the standard behavioral weight loss program (SBWP+MM) on self-regulating processes related to weight loss (primary), dietary intake, eating behaviors and physical activity (secondary) compared to a standard behavioral weight loss intervention (SBWP) and to explore the feasibility and acceptability of the intervention.
Methods: A randomized, controlled trial was conducted among 46 overweight/obese adults recruited from the Pittsburgh community. Following initial screening and medical clearance, subjects attended weekly group sessions in either the SBWP intervention or the SBWP+MM intervention for 24 weeks. Variables included: body weight, dietary intake, eating behaviors and physical activity baseline, week 12 and week 24. Adherence, feasibility and acceptability were measured through retention, attendance and self-monitoring rates.
Results: Thirty-five subjects (76%) completed the study. Using an intention-to-treat model, mean total weight loss was 5.48 kg (SD=2.01) with a significant decrease in food intake (p<.00) and significant increase in physical activity and healthy eating behaviors (p<.00). A nonsignificant mean greater weight loss was found in the SBWP+MM group (6.89kg v. 4.07kg). Significant improvement in eating behaviors was found in the SBWP+MM group (p=.015). The SBWP+MM group had a 30% higher retention rate, 21% higher attendance and 22% higher rate of diary return than the SBWP group.
Conclusion: Mindfulness-Based Stress Reduction added to SBWP could enhance the weight loss success with changes in eating behaviors, increased adherence and self-monitoring. A larger, long-term study is needed for hypothesis testing.
Methods: A randomized, controlled trial was conducted among 46 overweight/obese adults recruited from the Pittsburgh community. Following initial screening and medical clearance, subjects attended weekly group sessions in either the SBWP intervention or the SBWP+MM intervention for 24 weeks. Variables included: body weight, dietary intake, eating behaviors and physical activity baseline, week 12 and week 24. Adherence, feasibility and acceptability were measured through retention, attendance and self-monitoring rates.
Results: Thirty-five subjects (76%) completed the study. Using an intention-to-treat model, mean total weight loss was 5.48 kg (SD=2.01) with a significant decrease in food intake (p<.00) and significant increase in physical activity and healthy eating behaviors (p<.00). A nonsignificant mean greater weight loss was found in the SBWP+MM group (6.89kg v. 4.07kg). Significant improvement in eating behaviors was found in the SBWP+MM group (p=.015). The SBWP+MM group had a 30% higher retention rate, 21% higher attendance and 22% higher rate of diary return than the SBWP group.
Conclusion: Mindfulness-Based Stress Reduction added to SBWP could enhance the weight loss success with changes in eating behaviors, increased adherence and self-monitoring. A larger, long-term study is needed for hypothesis testing.