Problem: Paraphrase. Safety Metrics refers to the body of knowledge used to. quantify and measure safety performance, the primary purpose of measuring health and safety performance is to provide information on the progress and current status of the strategies, processes and activities used by an organisation to control risks to health and safety, safety leading indicators are proactive measures that measure prevention efforts and can be observed and recorded prior to an injury, as opposed, safety lagging indicators are reactive measures that track only negative outcomes, such as an injury, once it has already occurred, three very good reasons to manage health and safety in the workplace: Need Assignment Help?