Author 1 – the only author Name: PhD Szymon Ordsyiński Email address: szord@ciop.pl Education background: Department of Occupational Safety and Health Management Working or Education experience: March 2010 to present – Central Institute for Labour Protection-National Research Institute (CIOP-PIB) Research interests: accidents at work, statistical methods, OSH management Official homepage (If have): https://orcid.org/0000-0002-5907-6582 Detailed Publications Record: https://orcid.org/0000-0002-5907-6582 Author Contributions to this manuscript: The author conceived the study, collected and analyzed the data, interpreted the results, and wrote the manuscript. Publication list: https://orcid.org/0000-0002-5907-6582