1. Census US Bureau. North American industry classification system: 2017 NAICS definition‐ 62311 nursing care facilities (skilled nursing facilities). 2019.https://www.census.gov/cgi-bin/sssd/naics/naicsrch?code=62311&search=2017%20NAICS%20Search. Accessed April 2020.
2. U.S. Bureau of Labor Statistics. Table 2. Numbers of nonfatal occupational injuries and illnesses by industry and case types 2018 [thousands]. Washington DC: U.S. Department of Labor 2019;https://www.bls.gov/iif/oshsum.htm. Accessed April 2020.
3. U.S. Bureau of Labor Statistics. Table 1. Incidence rates of nonfatal occupational injuries and illnesses by industry and case types 2016. Washington DC: U.S. Department of Labor 2017;https://www.bls.gov/iif/oshsum.htm. Accessed April 2020.
4. U.S. Bureau of Labor Statistics. Table 1. Incidence rates of nonfatal occupational injuries and illness by industry and case types 2018. Washington DC: U.S. Department of Labor 2019;https://www.bls.gov/web/osh/summ1_00.htm. Accessed April 2020.