Usually, incidence and incidence rate are used interchangeably. Incidence rate=number of new injuries/total of athletic exposure hours per, for example, 1000 athlete-hours. Prevalence-based measures ...

Apply and interpret proportions and rates to describe binary outcomes. Define and interpret a disease prevalence as the proportion of a population that have an outcome at a particular point in time.

Results The prevalence of LBP ranged from 6% to 25% throughout the ... A secondary objective of this study was to determine the incidence of LBP among New Zealand rowers. The incidence rate was 1.67 ...