• Jan Homolak, Deni Tomljanović, Milan Milošević, Domagoj Vražić, Mario Živković, Ivan Budimir, Borka Pezo Nikolić, Antonela Muslim, Neven Ljubičić, and Marko Nikolić.
• 1Department of Pharmacology, University of Zagreb School of Medicine, Zagreb, Croatia; 2University of Zagreb School of Dental Medicine, Zagreb, Croatia; 3Department of Environmental and Occupational Health and Sports, Andrija Štampar School of Public Health, University of Zagreb School of Medicine, Zagreb, Croatia; 4Department of Periodontology, University of Zagreb School of Dental Medicine, Zagreb, Croatia; 5Gastroenterology and Hepatology Division, Sestre milosrdnice University Hospital Centre, Zagreb, Croatia; 6Department of Internal Medicine, University of Zagreb School of Medicine, Zagreb, Croatia; 7Cardiovascular Division, Zagreb University Hospital Centre, Zagreb, Croatia; 8Gastroenterology Unit, Dr. Ivo Pedišić General Hospital, Sisak, Croatia; 9Department of Internal Medicine, University of Zagreb School of Dental Medicine, Zagreb, Croatia.
• Acta Clin Croat. 2021 Jun 1; 60 (2): 216-230.

AbstractDental health care workers, particularly dental medicine students (DMS), are at an increased risk of hepatitis B virus (HBV) and hepatitis C virus (HCV) infection. The aim of our study was to assess the level of knowledge on HBV and HCV, estimate needlestick injury (NSI) prevalence and reporting practice in DMS at the University of Zagreb, and analyze how enrolment in obligatory and supplemental courses affects knowledge and NSI reporting practice. The knowledge was assessed by our questionnaires based on the Centers for Disease Control general handouts. Additional information was collected to examine the prevalence and reporting practice of NSI. Data were analyzed by descriptive statistical analysis, independent-samples t-test, proportion analyses, and combined factor analyses of categorical and quantitative variables in SPSS and R. In total, 206 students participated in the survey. The overall level of HBV- and HCV-related knowledge was poor, with the mean scores of 61.90% and 51.35%, respectively. Moreover, students enrolled in the first year demonstrated significantly lower levels of knowledge in comparison with their older peers. Of all participants, 18.2% had sustained a NSI and the majority of them (78.95%) had never reported the injury. In conclusion, DMS have low levels of knowledge on important occupational pathogens and poor NSI reporting practice. Moreover, formal education in the current form has failed to significantly improve student competence and theoretical knowledge translates poorly into more conscientious injury reporting practice. We should look for a better way to increase student awareness and level of knowledge on this topic.

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