Media plays an important role during hazard emergency communication. Community radio, as a part of media, has emerged as a management tool for influencing at-risk people's preparedness for natural disasters. In Bangladesh, the concept of community radio is relatively new in terms of combating cyclone risk in coastal areas, and so far, no study applying mixed-method on role of radio in disaster preparedness has been performed. This study presents an empirical analysis of the role of community radio in disaster preparedness for people at risk in cyclone-prone south and southwestern coastal Bangladesh, where we use economic loss as a proxy of disaster preparedness. Using a multi-stage sampling, 430 households were selected for a questionnaire survey. For the quantitative approach, Ordinary Least Square (OLS) and Binary Logistic regression models were used, along with other parametric and non-parametric tools. For qualitative approach, FGD findings and individual statements were used. The main results of this study suggest that listening to hazard-related programs on both state-operated and community radio has played a significant role in cyclone-related disaster preparedness in terms of minimizing cyclone-induced economic loss. Nevertheless, the distinct feature of broadcasting early warnings in local dialects on a local basis has increased the comprehensibility, information clarity, and reliability of the warning messages delivered by community radio, and this has helped at-risk people to make proper preparations for cyclone risks. Furthermore, this radio appears to help the people at risk to enhance their knowledge and awareness on hazard preparedness, which has made them more experienced to lessen disaster loss over last decade. These issues together appear to have helped community radio listeners to incur a significantly lower degree of economic loss than that of non-listeners ($z=3.11,p<0.003$), implying better disaster preparedness by the listeners.

在灾害应急通信中，媒体起着重要作用。社区广播作为媒体的一部分，已经成为一种管理工具，可以影响处于危险中的人们对自然灾害的准备。在孟加拉国，就消除沿海地区的飓风风险而言，社区广播的概念相对较新，到目前为止，尚未进行将广播电台在灾难准备中的作用应用于混合方法的研究。这项研究提供了实证分析，说明了在容易遭受飓风袭击的南部和西南部孟加拉国孟加拉国，社区广播在高危人群的灾害准备中的作用，在该研究中，我们使用经济损失来替代灾害准备。通过多阶段抽样，选择了430户家庭进行问卷调查。对于定量方法，使用了普通最小二乘（OLS）和二进制Logistic回归模型，以及其他参数和非参数工具。对于定性方法，使用了烟气脱硫的发现和个别陈述。这项研究的主要结果表明，在最大限度地减少旋风引起的经济损失方面，听国家和社区广播电台与灾害相关的节目在旋风相关的灾难准备中发挥了重要作用。然而，在本地方言中以局部方言广播预警的独特功能提高了社区广播电台发出的警告消息的可理解性，信息清晰度和可靠性，这有助于高危人群为飓风风险做好适当准备。此外，该广播电台似乎可以帮助处于危险中的人们增强对灾害防范的知识和意识，这使他们在过去十年中减少灾害损失方面更有经验。这些问题加在一起似乎已帮助社区广播听众带来了比非听众低得多的经济损失（$ž=3.11，p<0.003$），这意味着听众可以更好地进行灾难防范。