Household organic waste is a major contributor to national waste generation in Indonesia, yet household-level management remains limited, potentially increasing environmental disease risks and greenhouse gas (GHG) emissions. This study analyzed relationships between individual characteristics, healthy behavior, household organic waste management, and symptoms of malaria, cholera, dengue fever, pneumonia, stunting, diarrhea, and leptospirosis. A quantitative cross-sectional study involved 100 respondents in Kelurahan Larangan, Kecamatan Candi, Kabupaten Sidoarjo, across RW 1–9, selected using proportional stratified random sampling. Data were analyzed descriptively; differences in organic waste weight between RWs were tested using the Kruskal–Wallis test, and relationships among variables were examined using Structural Equation Modeling-Partial Least Squares (SEM-PLS) at α = 10%. Organic waste management remained limited: 38% of respondents owned a biopore and 48% managed their organic waste, mainly through composting. Organic waste weight did not differ significantly between RWs (p = 0.169). SEM-PLS showed valid and reliable indicators and seven significant relationships. Healthy behavior negatively affected dengue fever, diarrhea, and malaria symptoms; organic waste management negatively affected cholera and stunting but positively affected pneumonia, contrary to the hypothesized direction; education positively affected organic waste management. The highest R² was for dengue fever (19.4%). Overall, healthy behavior and household organic waste management may reduce several waste-related disease risks and GHG emissions through controlled composting. Strengthening household education and waste-management facilities is needed to support disease prevention and climate-change mitigation. These findings highlight integrated environmental health approaches for sustainable community waste management.
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