Lifetime prevalence

What is Lifetime prevalence?

Lifetime prevalence definition and meaning on Health terms:
Lifetime prevalence is the proportion of a population that, at some point in their life, has experienced a particular health event, risk factor or disease. For example, in a survey, you might be asked if you have ever smoked. Lifetime prevalence is calculated by comparing the number of people found to have experienced the health event with the total number of people studied.