Impact of Training Intervention on Health Care Waste Management among Healthcare workers: A pre experimental study in Sahloul University Hospital

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Abstract Background: Healthcare waste (HCW) is considered one of the most hazardous waste globally. Healthcare waste management is a neglected issue in hospitals of developing countries due to poor practices among health staff. Trainings of health workers have been proven to be one of the most effective strategies for improving the practices and health behavior The aim of this study was to assess HCWM before and after repeated training sessions in Sahloul University Hospital (2019-2021). Methods: A pre experimental study, based on two audits of HCWM, was carried out at Sahloul University Hospital (2019-2021). The data collection was carried on three stages over two different years. Results: Concerning the audit of ressources; Between the year 2019 and 2021, we noted an improvement of the some of ressource indicators such as “Presence of yellow bags in sufficient numbers” (54.9% VS 83.3%; p=0.003); “Presence of black bags in sufficient numbers” (63.9% VS 82.18%,p=0.003) or “Presence of wheeled trolley for HCW transport” (34.1% VS 82%, p<10-3). The audit of practices was carried out in 160 units in 2019 VS 132 in2021. There has been a marked improvement in the sorting of HCW between pre- and post training. In fact, the overall compliance rate for sorting sharps has gone from 60.3% to 77.6% (p <10-3) while that of sorting soft and solid waste from 32.5% to 72.4%, (p <10-3) in 2021. The overall compliance rate for the intra-service collection step passed from 31.3% to 58.2%., we noted a persistence of inadequacies in the labeling of containers and bags as well as the traceability of the time of HCW collection. Conclusion: The provided training courses were effective; indicating a significant improvement of healthcare workers adherence to recommended practices of HCW management. Nevertheless, there are still some indicators to be improved.

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