Analysis of influential factors in reducing disaster index (IRB) in Mamuju regency

Natural disasters in Mamuju Regency, West Sulawesi, Indonesia, pose significant threats to regional development and community security due to frequent occurrences of earthquakes, floods, and landslides. This study investigates the key factors influencing the reduction of the Disaster Risk Index (IRB) in the region, focusing on socio-economic conditions, community preparedness, and policy implementation. Utilizing a mixed-methods approach with data collected from 40 respondents and secondary sources, the analysis employs statistical regression and thematic methods to identify critical determinants of disaster risk reduction. Findings reveal that community participation, disaster mitigation infrastructure, and early warning systems significantly contribute to lowering the IRB, with community involvement demonstrating the strongest influence. The study emphasizes the necessity of integrating structural and non-structural measures, underpinned by strong institutional capacity and effective policy frameworks, to enhance regional resilience. These results align with the Community-Based Disaster Risk Management (CBDRM) model, highlighting active community engagement as vital to sustainable disaster risk reduction. The study provides actionable insights for policymakers and disaster management stakeholders aimed at fostering resilient development in high-risk areas like Mamuju Regency.