Workplace safety performance is increasingly measured by more than compliance. Clients, insurers and other stakeholders often review safety metrics to evaluate operational risk and determine whether an organization can perform work safely and reliably. For contractors, vendors and employers, these numbers can influence insurance costs, bid opportunities, client confidence and long-term reputation.
Four of the most referenced metrics are Experience Modification Rate (EMR), Total Recordable Incident Rate (TRIR), Days Away, Restricted or Transferred (DART), and Serious Injury and Fatality (SIF). Although the terms are sometimes used interchangeably, each measures a different aspect of risk, and relying on just one can create blind spots.
EMR is an insurance-based metric that compares a company’s workers’ compensation claims history with expected losses for similar businesses in the same industry. It reflects claim frequency and severity, as well as how well an organization manages claims, return-to-work and loss prevention over time.
A lower EMR can reduce workers’ compensation premiums, improve competitiveness when bidding on contracts and demonstrate a strong safety record to clients.
TRIR measures the number of OSHA-recordable injuries and illnesses per 100 full-time employees during a year. Recordable cases include those involving medical treatment beyond first aid, restricted duty, job transfers, lost workdays and occupational illnesses.
TRIR is one of the most widely reported safety metrics and offers a current view of how often injuries occur. However, it treats all recordable injuries equally, so a minor hand injury and a life-threatening fall each count as one incident. Even a single case can shift the rate, particularly for smaller employers.
The DART rate measures injuries and illnesses serious enough to affect an employee’s ability to perform normal duties. That includes cases involving days away from work, restricted activity or transfer to another position.
Since DART specifically focuses on injuries that disrupt work, it provides a clearer picture of severity than TRIR. It also helps organizations understand how injuries are influencing productivity, operations and workforce performance.
SIF metrics track incidents that resulted in, or had the potential to result in, a fatality, permanent disability or other life-altering injury, including high-potential near misses. Common SIF exposures include falls from elevation, electrical contact, caught-between incidents, struck-by equipment and confined space entry.
Low TRIR and DART rates do not necessarily mean workers are protected from catastrophic events. A company can maintain favorable recordable rates while still exposing employees to hazards capable of causing a fatality. Many safety professionals view SIF prevention as the most important safety objective.
Together, EMR, TRIR, DART and SIF provide a balanced view of safety performance. Organizations that use these metrics to guide safety decisions, not just meet compliance requirements, are better positioned to reduce losses, strengthen their reputation and protect workers from serious harm. Connect with our Risk Consulting team to review your safety metrics and identify opportunities to strengthen your safety program.
*The 200,000 represents the hours worked by 100 full-time employees in a year (40 hours × 50 weeks).