Integrating plan-do-check-act (pdca)—based closed-loop management into lifestyle intervention for pediatric primary obesity

Background: Childhood primary obesity is a major public health issue. Traditional lifestyle interventions often fail due to lack of systematic and continuous individualization. The Plan-Do-Check-Act (PDCA) cycle, a continuous quality improvement tool, may offer a new approach for its long-term management. Objective: This study aimed to retrospectively compare the effectiveness of the PDCA closed-loop management model for childhood primary obesity. Method: = 50). The observation period was 6 months. Anthropometric indicators: [weight, height (calculating body mass index z score, BMI-Z score)], body fat percentage (measured by bioelectrical impedance method), waist circumference; biochemical indicators: fasting blood glucose (FBG), fasting insulin (FINS, calculating homeostatic model assessment of insulin resistance, HOMA-IR), lipid profile [total cholesterol (TC), triglycerides (TG), low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C)]; behavioral assessment: using questionnaires to evaluate dietary behavior and screen time. The differences in each indicator before and after the implementation of this management method were compared. Result: < 0.05). Conclusion: The PDCA closed-loop management model, through continuous monitoring, evaluation, and individualized adjustment, can significantly improve the body composition, metabolic parameters, and related behavioral habits of obese children. Integrating this into the lifestyle of children with primary obesity to achieve long-term weight management is feasible and effective.