Effects of The Integrative Information-Motivation-Behavioral Skills Program on Food Consumption, Exercise, and Emotional Control Behaviors Modification among University Personnel with Obesity: A Cluster Randomized Trial
Abstract
Objective: This study evaluated the effectiveness of the Integrative Information-Motivation-Behavioral Skills (IIMBS) program in modifying health behaviors among university personnel with obesity.
Material and Methods: This secondary analysis of a cluster-randomized controlled trial evaluated the effectiveness of the Integrative IIMBS program among obese university personnel. Eight faculties (clusters) were randomized to either the intervention group, receiving the 12-week IIMBS program, or the control group, receiving standard care. A total of 64 individuals participated. The intervention integrated face-to-face sessions and online activities (via LINE OA). Outcomes, including food consumption, exercise, and emotional control, measured at the individual level, were collected using the Health Behavior Questionnaire (S-CVI=0.96, Cronbach’s alpha=0.74) and IIMBS program materials. Statistical analysis used repeated measures MANOVA.
Results: The IIMBS program significantly improved health behaviors over 12 weeks, with the greatest effects observed in food consumption (F=249.89, p-value<0.001, η²=0.801), followed by exercise (F=100.88, p-value<0.001, η²=0.619), and emotional control (F=8.267, p-value<0.001, η²=0.118). The intervention group showed significantly greater improvements than the control group in total health behavior (F=216.97, p-value<0.001, partial η²=0.778), and food consumption (F=109.33, p-value<0.001, η²=0.638).
Conclusion: The study demonstrated that the IIMBS program effectively promoted lasting behavioral changes in obese university personnel. This approach can serve as a comprehensive strategy for enhancing health behaviors in obese adults across various settings.
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