Yang Yu1,2, Susan M Sereika3, David N Finegold4, Lora E Burke3. 1. School of Nursing, University of Pittsburgh, Pittsburgh, PA, USA. yay60@pitt.edu. 2. Department of Health & Community Systems, Victoria Building 3500 Victoria Street, Pittsburgh, PA, 15261, USA. yay60@pitt.edu. 3. School of Nursing, University of Pittsburgh, Pittsburgh, PA, USA. 4. Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA.
Abstract
BACKGROUND: The role of problem-solving is not well understood in behavioral weight loss interventions. In a 12-month behavioral weight loss study, we examined whether problem-solving changed over time and the relationships between problem-solving and changes in adherence to calorie, fat, and physical activity (PA) goals and percent weight change. METHODS: One of the 24 intervention sessions (15th) was devoted to problem-solving. Participants received individualized calorie and fat goals and were given a 150 min/week moderate-to-vigorous PA goal. Adherence to calorie/fat goals and PA goals was calculated at 1, 6, and 12 months using self-reported food intake in a mobile-based weight loss app and accelerometer data, respectively. Weight was measured via a digital scale at baseline, and 6 and 12 months. A general linear model was used to compare problem-solving across time points; post hoc linear mixed modeling was used to examine the relationships between problem-solving and changes in adherence to lifestyle goals and percent weight change. RESULTS:The sample (N = 150) was mostly female (90.7%), white (80.70%), with a mean age of 51.1 ± 10.2 years, and a mean body mass index of 34.1 + 4.6 kg/m2. The mean total score of problem-solving at baseline was 81.2 ± 12.3. Problem-solving total and subscale scores did not significantly change over time. Baseline problem-solving was not significantly associated with changes in adherence to lifestyle goals and percent weight change (P > 0.05). CONCLUSION: A behavioral weight loss study did not impact problem-solving, and problem-solving may not influence lifestyle adherence and weight changes. Future work needs to examine problem-solving in larger and more diverse samples.
RCT Entities:
BACKGROUND: The role of problem-solving is not well understood in behavioral weight loss interventions. In a 12-month behavioral weight loss study, we examined whether problem-solving changed over time and the relationships between problem-solving and changes in adherence to calorie, fat, and physical activity (PA) goals and percent weight change. METHODS: One of the 24 intervention sessions (15th) was devoted to problem-solving. Participants received individualized calorie and fat goals and were given a 150 min/week moderate-to-vigorous PA goal. Adherence to calorie/fat goals and PA goals was calculated at 1, 6, and 12 months using self-reported food intake in a mobile-based weight loss app and accelerometer data, respectively. Weight was measured via a digital scale at baseline, and 6 and 12 months. A general linear model was used to compare problem-solving across time points; post hoc linear mixed modeling was used to examine the relationships between problem-solving and changes in adherence to lifestyle goals and percent weight change. RESULTS: The sample (N = 150) was mostly female (90.7%), white (80.70%), with a mean age of 51.1 ± 10.2 years, and a mean body mass index of 34.1 + 4.6 kg/m2. The mean total score of problem-solving at baseline was 81.2 ± 12.3. Problem-solving total and subscale scores did not significantly change over time. Baseline problem-solving was not significantly associated with changes in adherence to lifestyle goals and percent weight change (P > 0.05). CONCLUSION: A behavioral weight loss study did not impact problem-solving, and problem-solving may not influence lifestyle adherence and weight changes. Future work needs to examine problem-solving in larger and more diverse samples.
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