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Households’ knowledge, attitudes, and practices toward solid waste management in suburbs of Phnom Penh, Cambodia

This study developed logistic regression models to analyse the relationship between 12 observed variables on knowledge, attitudes, and practices toward solid waste management in the suburbs of Phnom Penh city. We interviewed 800 households, including 200 collection service users and 600 non-service users. The determinants of how individuals are aware of, think of, and behave were assessed in the models based on the values of estimated coefficient and probability of t-statistics. As a result, education level and knowledge of health effects have positive influences on knowledge of waste problems. Income is a decisive economic factor of knowledge and attitudes. The residents seem dissatisfied with the status of waste management and collection service if they are aware of the problems. The administration, therefore, needs improvements to satisfy the knowledgeable citizens. Service provision to the non-service users is imperative to halt the practice of illegal dumping. However, the infrequent collection still leads to the improper practice of the service users. We suggest that the service is provided widely, efficiently, and regularly.