All posts by Marloes Nitert

When does a reduction in injury numbers become statistically significant?

By Dr. Marloes Nitert and Dr. Sidney Dekker

Those who’ve been around safety (and particularly safety differently) long enough, know that LTI (Lost Time Injuries) is a lousy safety measure. LTI, after all, was once instituted as a productivity measure, not a safety measure. But LTI is actually quite a silly measure too. This blog shows just how silly it gets, and how foolish (or statistically meaningless) any claims about LTI … Continue Reading ››