RESUMEN
Objective: This study aims to determine the effectiveness of health education through audiovisual media on improving family knowledge in the prevention of dengue fever (DHF). Method: This study used a Quasi Experiment research design with a research design of Non-Equivalent Control Group. The study was conducted in the community with a sample of 40 people, consisting of 20 for experimental group and 20 for control group. The samples were selected using purposive sample collection method. The measuring instrument used is a questionnaire that has been tested for validity and reliability. The analysis was done through univariate analysis and bivariate analysis using t-independent test. Result: This study found that the showed a significant increase in changes in the level of attitudes and actions of families in the prevention of dengue fever by using audiovisual media, (p = 0.000), (p = 0.000). Conclusion: It is recommended that the health workers should provide health education by using audiovisual media in the prevention of dengue fever
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