<![CDATA[Non-Communicable Diseases (NCDs) remain the leading cause of morbidity and mortality in Indonesia. Limited public knowledge and inadequate preventive behaviors contribute significantly to the increasing burden of NCDs. This study aimed to evaluate the effectiveness of community-based education in improving preventive behaviors toward non-communicable diseases among adults. A quasi-experimental study with a one-group pretest-posttest design was conducted involving 80 participants selected through purposive sampling. The intervention consisted of community-based health education, including health counseling, group discussions, physical activity demonstrations, and four weeks of follow-up assistance. Preventive behavior data were collected using a validated and reliable questionnaire and analyzed using a paired t-test with a significance level of 0.05. The findings demonstrated a statistically significant improvement in NCD preventive behaviors following the educational intervention (p < 0.001). Improvements were observed in healthy dietary practices, regular physical activity, smoking cessation efforts, and adherence to routine health screening. Community-based education was found to be effective in enhancing preventive behaviors against NCDs and can serve as a sustainable health promotion strategy for adult communities.]]>
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