Optimizing Implementation of the Intensive Diabetes Prevention Program

The goal of this clinical trial is to explore the effectiveness and implementation outcomes of the optimized Intensive Diabetes Prevention Program (IDPP) in District Health Centres. The main questions it aims to answer are: * Do the implementation strategies - patient engagement system, structured training, and reminder systems - work better than usual approaches in terms of acceptability, adoption, appropriateness, feasibility, sustainability, and implementation cost? * Do patient health outcomes - HbA1c levels, BMI, lipid profile, quality of life, perception of empowerment, and health service utilization - stay the same or get better when these improved strategies are used compared to usual approaches?

Inclusion Criteria: * Being 18 years of age or above * Having a baseline HbA1c within the prediabetes range (6.0%-6.4%) * Holding a scheduled appointment at a DHC Exclusion Criteria: * Having a diagnosis of diabetes mellitus * Currently using of oral hypoglycaemic agents or medications known to induce significant weight changes * Having medical conditions that would limit participation, such as active cancer or cognitive impairment