Percentage agreement was assessed using two techniques. Percentage of at risk agreement was calculated by dichotomizing risk level output into no risk (level 1) and at risk (level 2 or 3) comparisons. Risk level output of the ergonomic risk assessment is used in industrial ergonomic initiatives to prioritize jobs for intervention. The implication of disagreement between methods is the inappropriate assignment of risk leading to inappropriate intervention. Given the important implication of disagreement between methods it is necessary to evaluate the percentage of perfect agreement in addition to at risk agreement. Percentage of perfect agreement was calculated by considering only cases of exact agreement. Figure 1 illustrates the calculation of percentage of at risk and perfect agreement. Both percentage agreement considering all workers assessed and the range of values considering the jobs individually are presented. The range of percentage agreement values considering the jobs individually is presented to illustrate the variation resulting from the different exposure profiles of the four jobs considered.