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prevalence

noun C1 Academic

Meaning

The term "prevalence" refers to the proportion of a population found to have a particular characteristic or condition at a specific time, often used in epidemiological studies to quantify the extent of health-related states or behaviors within a defined g
💡 While "prevalence" is often used interchangeably with "incidence," it is important to distinguish that prevalence measures existing cases in a population, whereas incidence refers to new cases over a specified time period.

Example Sentences

The prevalence of diabetes has increased significantly in recent years .
The prevalence of online learning has increased significantly in recent years .
The prevalence of remote work has increased company productivity significantly .

Word in Context

During the community meeting , the public health nurse presented a concise report that surveyed local sleep and stress patterns . She explained that the prevalence of chronic insomnia in the neighbourhood was higher than officials had anticipated . Attendees listened attentively as she linked poor sleep to everyday habits like late - night screen use and irregular meals . When questions followed , she suggested simple adjustments — a consistent bedtime , a short evening walk , and a brief digital detox — that could improve rest within weeks . The practical tone reassured many people , and several signed up for the follow - up workshop . As they left , small groups discussed which changes they would try first and compared sensible strategies .

Common Phrases

high prevalence prevalence rate prevalence study

Synonyms

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