Definition, Meaning & Synonyms

prevalence-rate

noun
/ˈprɛv.ə.ləns reɪt/
Definition
The prevalence rate is a measure used in epidemiology that indicates the proportion of a population that has a specific characteristic or condition at a given time.
Examples
  • The prevalence rate of diabetes has increased significantly over the past decade.
  • Research showed a high prevalence rate of anxiety among students during exams.
  • The prevalence rate of smoking in adults decreased after the health campaigns.
Meaning
It represents the total number of cases of a disease or condition in a population divided by the total number of individuals in that population, typically expressed as a percentage or per 1,000 or 100,000 individuals.
Synonyms
  • Occurrence rate
  • Incidence rate
  • Frequency rate