PREVALENCE Meaning and
Definition
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Prevalence is a noun that refers to the state or condition of being widespread or commonly found. It implies the extent or degree to which something, such as a particular condition, trait, or phenomenon, is present in a given population or within a particular context.
In the field of epidemiology, prevalence is often used to describe the proportion of individuals in a population who have a specific disease, condition, or risk factor at a given point in time. It is commonly expressed as a percentage or a rate. For example, the prevalence of diabetes in a certain country may be reported as 10%, meaning that 10 out of every 100 individuals in that population are affected by diabetes.
In social sciences and other disciplines, prevalence can be used to describe the extent to which certain behaviors, attitudes, or beliefs are present within a group or society. It can also pertain to the predominance of specific events or situations in a particular context.
Prevalence is often determined through surveys, studies, or statistical analysis of relevant data from representative samples. It is a valuable measure in assessing the burden of diseases or conditions, establishing public health priorities, and informing decision-making processes in various fields.
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The condition or quality of being prevalent; the most general reception or practice; predominance; the most general existence.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
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Etymology of PREVALENCE
The word "prevalence" has its origins in the Latin language. It comes from the Latin word "praevalentia", which is derived from the verb "praevalere". "Praevalere" consists of two elements: "prae" meaning "before" or "in front of", and "valere" meaning "to be strong" or "to be powerful". Thus, "praevalentia" refers to the state or condition of being strong or powerful, which then evolved into the modern sense of "prevalence" meaning the extent or frequency of something being present or widespread.
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