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What does prevalence mean?

What does prevalence mean?

Definition. Prevalence is the proportion of a population who have a specific characteristic in a given time period.

What is point prevalence in epidemiology?

Point prevalence refers to the prevalence measured at a particular point in time. It is the proportion of persons with a particular disease or attribute on a particular date.

What is an example of prevalence?

In science, prevalence describes a proportion (typically expressed as a percentage). For example, the prevalence of obesity among American adults in 2001 was estimated by the U. S. Centers for Disease Control (CDC) at approximately 20.9%.

What is the synonym of prevalence?

commonness, currency, widespread presence, generality, pervasiveness, universality, extensiveness, ubiquity, ubiquitousness. rampancy, rifeness. frequency, regularity. familiarity, acceptance. popularity, fashionableness.

What is the meaning of prevalence and incidence?

Prevalence is a statistical concept referring to the number of cases of a disease that are present in a particular population at a given time, whereas incidence refers to the number of new cases that develop in a given period of time.

What is prevalence in research?

Prevalence is defined as the number of instances of a given disease or other condition in a given population at a designated time (Last, 1983). This is called point prevalence. Period prevalence refers to the number of cases that occur during a specified period of time, e.g., 1 year.

What are the different types of prevalence?

There are two types of prevalence: point prevalence (the type of prevalence most commonly reported) and period prevalence.

What is weighted prevalence?

Weighted Prevalence is the sum of individual prevalence for each grade with a respective weight. Assuming that (w1,w2) = (1,2) means that grade 2 is considered two times more severe than a grade 1.

Is prevalence same as epidemiology?

Both prevalence and incidence are epidemiological measures showing information about disease in the population.

What is the opposite of prevalence?

prevalence. Antonyms: disuse, desuetude, obsoleteness, decay, evanescence, disappearance, mitigation, subordination, collapse, abandonment, abolition, diminution, subsidence, subjection.

Which of the following is the best definition of prevalence?

Prevalence: The proportion of individuals in a population having a disease or characteristic.