Medical laboratory waste generation rate, management practices and associated factors in Addis Ababa, Ethiopia

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Abstract Background Biomedical wastes (BMW) generated from medical laboratories are hazardous and can be deleterious to humans and the environment. Highly infectious types of biomedical wastes are commonly generated at an unacceptably high rate from health laboratories of developing countries with a poor management system like Ethiopia. This study was aimed to evaluate the generation rate of biomedical wastes, management practices and associated factors among public healthcare medical laboratories in Addis Ababa, Ethiopia. Materials and methods Health institution based cross-sectional study was conducted from July 13 to September 25, 2020 in 6 hospital laboratories and 20 health center laboratories in Addis Ababa, Ethiopia.Data on socio-demographic characteristics, knowledge and practice of biomedical wast managment of the health facilities, Biomedical waste generation rate were collected using data collection tools. Data were managed using SPSS version 20 software. Descriptive statistcs,Pearson correlation, linear and logistic regression analysis were computed to identify indepedent predictors of the dependent variable. Odds ratio with 95% confidence interval was used to determine the strength of association. Results The finding revealed that the mean ± SD of the daily generation rate of biomedical wastes was 4.9 ± 3.13 kg/day per medical laboratory. Nineteen (74.3%) medical laboratories had a proper practice of biomedical waste management which is significantly associated with knowledge of professsionals on biomedical waste management policies and guidelines, availability of separate financial sources for biomedical waste management and training level of professionals. Conclusion The study showed high generation of biomedical waste from medical laboratories in public healthcare of Addis Ababa,Ethiopia. Near two-thirds of health facilities had a proper practice of waste segregation, collection, storage, and treatment of biomedical wastes generated from their laboratory. However, there was a poor practice of transportation and disposal. Hence, due attention and practicing as per the current national guidelines of biomedical waste management is recoomended.

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