What category of information is least likely to be necessary in an incident report?

In an incident report, the primary goal is to capture all relevant details about the incident that occurred, focusing on immediate factors that could help understand the situation and prevent future occurrences. Among the options, prior safety training records are the least likely to be directly necessary in documenting an incident itself.

While understanding a worker's history of safety training can provide context for their actions and preparedness, it does not pertain to the specifics of the incident in real-time. In contrast, information about injuries sustained, witness accounts, and circumstances of the incident directly contributes to a comprehensive overview of what happened, aiding in analysis and future prevention strategies.

In summary, while all aspects of an employee's safety history can be important for overall safety culture and compliance, the immediate circumstances and aftermath of an incident are what should be prioritized in an incident report.